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TE SERIES
Engineering Creative Solutions for Fluid Systems Since 1901
2 I Pratt Industrial
TRIPLE OFFSET BUTTERFLY VALVE STANDARD FEATURES
INTRODUCTION:Pratt Industrial Triple Offset Butterfly Valve is from the family of quarter-turn valves. This valve is designed and manufactured to meet API 609 and ASME B16.34 specifications. The Pratt Industrial Triple Offset Butterfly valve offers a metal-to metal seating design that can provide the user with an alternate design to the traditional gate valve while offering the user: n Lower weight solution w/zero leakage shut off to API 589 n
Less weight
n Easy to automate
n Can be used to modulate the process for level, flow, temperature and pressure
DESCRIPTION OF VALVE:n Sizes: from 3” (80mm) to 48” (1200mm)
as standard with additional sizes considered upon request.
n Pressure Class: 150#, 300# & 600# Class ASME rated valves are standard with higher-pressure class valves considered upon request.
n Temperature Range: -46 deg. C to 400 deg. C
n Seats; Body Seat is 316SS w/graphite; disc seat316SS as standard; other designs availableupon request
n Face to Face: standard F/F dimensions are per AMSE B16.10, API 609, ISO 5752 and BS 5155.
n Flow Direction: all valves offer bidirectional flow capability while complying with API 598 for seat leak testing.n Fire Safe: TOBV are inherently fire safe
by design
n Top Works: all TOBV’s bonnets are designedto ISO 5211 bolt pattern and can be ordered bare stem, Gear Actuators can be supplied by request.
APPLICATIONS:n Block/Isolation
n Modulating; manual, pneumatic, motor operator or hydraulic.
INDUSTRIES:n Refinery
n Chemical
n Petrochemical
n Power
n Steam Generationn Water/Waste Water Treatment
TRIPLE OFFSET
BUTTERFLY VALVE FEATURES:n Anti-blow out proof stemn Field replaceable Seats for the disc seat and the body seatn Large bearing surfaces in bonnet n Graphite packing as standard with
alternative packing materials and configurations available upon request including live loaded packing, Fugitive Emissions qualified and lubricator designs are available
n Shaft Key and tangential disc pin provide for
positive disc to shaft connection
DESIGN:The Triple Offset Butterfly valve has been designed to answer the industries demand for an alternate solution to gate valves and ball valves where weight, space, performance, and the ability to modulate to the process flow were
an issue. In regard to the “performance” aspect, Pratt Industrial Triple Offset Valve design provides for:
n Friction free seat design: this isaccomplished by the design of the triple offset engineered solution. In the butterfly class of valves there are three basic families
or designs; Concentric, Double Offset,
otherwise known as High Performance and
now the Triple Offset design. The drawback
of the previous design is contact between the
seat and the Disc surfaces which causes:
1) Premature wear of the seat in general areas. 2)Increased breakout, seating and run torqueswhich increase actuator costs and degrade valve
performance in modulating applications.
n Bidirectional flow provides leakage performance
according to API 598 and exhibits the following
advantages:1)The “torque seated-design” facilitates closingthe valve using the fluid force. The sealing capacity of the sealing surface is directly
proportional to the torque applied.
2) The “concave” design of the disc on the
opposing side of the shaft acts like a flow wing
creating a “low pressure zone” which artificially
increases the fluid dynamics of the valve, which
enhances the valves flow capacity.
n Testing: all seat leak testing is in accordancewith API 598. Other testing standards such as
ISO 5208 are available upon request.
Pratt Industrial I 3
TRIPLE ECCENTRIC DISC-SHAFT
THE TRIPLE OFFSET BUTTERFLY VALVE
DESIGN: 1st Offset: It is accomplished by moving the centerline of the shaft away from the seating plane.
2nd Offset: It is accomplished by moving the
centerline of the shaft offset from the centerline bore
of the valve.
These two design features cause the disc to open and
close relative to the body seat in a “camming” action
and effectuate the position seated valve design which is
typical of the High Performance Butterfly Valve,
however there is still contact between the disc and the
seat in the first several degrees of opening and closing
which can cause premature wear of the seat in the
general areas.
In order to achieve an API 598 Shut Off classification
a 3rd offset needed to be introduced to make the valve
a “torque seated” design with graphite and metal
seating surfaces.
3rd Offset is accomplished by adjusting the cone angle
created by the 1st and 2nd offset angles at some point
downstream of the valve in the center of the piping to
the adjacent piping wall as depicted in the illustration
below “Sticking tendency”.
By incorporating the 3 offsets into one design typical
of gate valves is eliminated with seat contact
throughout the entire stroke reducing run torques and
improving actuator modulating performance at the
same time.
4 I Pratt Industrial
Power
LAMINATED DISC SEAT n Metallic Seat are laminated with graphite.
Seat Retainer
Seat Pocket
Body
Seat Retainer Screw
Body Seat
Body
Conical Surface
Body Seat (Metal laminated with Graphite rings)
Seat Retainer
Disc Seat
Disc
n GWC Triple Offset Butterfly Valve has a unique seat and seat retainer design to minimize
the seat movement.
n The seat retainer is bolted to the body holding the seat in the seat pocket, thus avoiding
a blow-out.
n The Valve design is suitable for dead-end service with shaft downstream and in the lug
or double flange configuration.
BLOW-OUT PROOF SEAT
Pratt Industrial I 5
BLOWOUT PROOF STEM AND LOW EMISSION PACKING
STANDARD FEATURES
Body
Gland Flange
Packing Gland
Anti-Blow Out Stem Design
Low Emission Packing
Bearing
ISO 5211 Actuator Mounting Flange
n The stem is fitted with a “Retainer Ring”
which restricts the shaft from a “blow-
out” in case of body leakage. This design
is compliant with API 609 and relevant
piping codes,
n Low Emissions Packing complies with
industry standards down to 20ppm.
BLOW-OUT PROOF STEM
n GWC Triple Offset Butterfly Valve bonnet
flanges are manufactured in compliance
with ISO 5211 and will accept standard
mounting bracket designs accordingly.
n The Mounting Flange is drilled with
ISO 5211 hole pattern.
DIRECT ACTUATOR MOUNTING
6 I Pratt Industrial
STANDARD PARTS & MATERIALS
NO. PART NAME STANDARD
1 Body A216-WCB A351-CF8M
2 Disc A216-WCB A351-CF8M
3 Disc Seat Stainless Steel 316 Stainless Steel 316
4 Body Seat Laminated Stainless Steel 316/ Graphite Laminated Stainless Steel 316/ Graphite
5 Seat Retainer Steel Stainless Steel 316
6 Seat Retainer Screw Stainless Steel Stainless Steel
7 Body Seat Gasket Graphite Graphite
8 Disc Seat Gasket Graphite Graphite
9 Stem A564-630 H1100 A564-630 H1100
10 Disc Seat Screw Stainless Steel Stainless Steel
11 Key 630SS 630SS
12 Disc Pin Stainless Steel 316 Stainless Steel 316
13 Stem Bearing Stainless Steel 304 + Nitr. or Hcr. Stainless Steel 316 + Nitr. or Hcr.
14 Collar Stainless Steel 304 Stainless Steel 316
15 Packing Retainer Stainless Steel 316 Stainless Steel 316
16 Packing Graphite Graphite
17 Packing Gland Stainless Steel 304 Stainless Steel 316
18 Gland Flange Stainless Steel 304 Stainless Steel 316
19 Stud Bolt Stainless Steel Stainless Steel
20 Spring Washer Stainless Steel Stainless Steel
21 Nut Stainless Steel Stainless Steel
22 End Cap Steel Stainless Steel 316
23 End Gasket Graphite Graphite
24 Shaft Retainer Stainless Steel 316 Stainless Steel 316
25 End Cap Screw Stainless Steel Stainless Steel
26 Spring Washer Stainless Steel Stainless Steel
27 Thrust Bearing Stainless Steel 304 Stainless Steel 316
5 4 76 10 3 8
252622 27
2423
1 9
12 2 11
161514
212019
1817
13
EXPLODED VIEW OF TRIPLE OFFSET BUTTERFLY VALVE
Pratt Industrial I 7
TRIPLE OFFSET BUTTERFLY VALVE WAFER TYPE
CLASS 150 - UNIT INCHFlange Dimensions Size H H1 H2 H3 H4 L Mounting Dimensions
B.C.D N Øh or T ØG Key BD n Øh1 3 14 4.53 5.3 2.8 1.38 1.93 6 2 0.75 0.75 6x6 4.02 4 0.43 4 16.06 5.63 6.3 2.8 1.38 2.13 7.5 4 0.75 0.87 8x7 4.02 4 0.43 6 19.9 6.9 8.27 3.15 1.57 2.28 4 9.5 0.87 1.02 8x7 4.02 4 0.43 8 22.7 7.8 9.25 3.15 1.97 2.52 11.75 4 0.87 1.14 8x7 4.92 4 0.51
10 26.26 9.53 10.83 3.54 2.36 2.83 14.25 4 1.00 1.38 10x8 5.51 4 0.71 12 28.03 10.51 11.61 3.54 2.36 3.23 17 4 1.00 1.50 12x8 5.51 4 0.71 14 31.3 11.61 12.6 4.7 2.36 3.62 18.75 4 1"x8unc 1.50 12x8 6.50 4 0.87 16 35.04 12.8 14.57 4.7 2.95 4.02 4 21.25 1"x8unc 1.85 14x9 6.50 4 0.87 18 38.78 14.57 16.54 4.7 2.95 4.49 22.75 4 1 1/8"x8un 2.13 16x10 6.50 4 0.87 20 40.75 15.94 17.13 4.7 2.95 5.00 25 4 1 1/8"x8un 2.13 16x10 10.00 8 0.75 24 49.21 18.9 20.28 5.5 4.53 6.06 29.5 4 1 1/4"x8un 2.76 20x12 10.00 8 0.75 26 52.76 20.87 21.85 5.5 4.53 6.50 31.75 4 1 1/4"x8un 2.76 20x12 11.73 8 0.91 28 55.71 22.5 22.83 6.3 4.53 6.50 34 4 1 1/4"x8un 3.15 22x14 14.02 8 1.30 30 59.06 23.23 25 6.3 4.53 7.48 36 4 1 1/4"x8un 3.15 22x14 14.02 8 1.30 32 62.2 24.8 25.98 6.3 5.12 7.48 38.5 4 1 1/2"x8un 3.54 25x14 14.02 8 1.30 34 65.16 26.57 27.17 6.3 5.12 7.99 40.5 4 1 1/2"x8un 3.94 28x16 14.02 8 1.30 36 67.91 27.56 28.15 7.1 5.12 7.99 42.75 4 1 1/2"x8un 3.94 28x16 15.98 8 1.54 40 72.64 30.71 29.72 7.1 5.12 8.50 47.25 8 1 1/2"x8un 3.94 28x16 15.98 8 1.54 42 74.02 31.5 30.31 7.1 5.12 9.49 49.5 8 1 1/2"x8un 4.33 32x18 15.98 8 1.54 46 80.91 34.45 33.07 7.1 6.30 10.00 53.75 8 1 1/2"x8un 4.72 32x18 15.98 8 1.54 48 64.25 35.83 34.25 7.9 6.30 10.00 56 8 1 1/2"x8un 4.72 32x18 19.02 12 1.54
CLASS 300 - UNIT INCHit– UDimensions
inch
Size H H1 H2 H3 H4 L Flange Mounting Dimensions B.C.D N Øh or T ØG Key BD n Øh1
3 14 4.5 5.3 2.8 1.38 1.93 6.62 4 3/4"x10unc 0.75 6x6 4.02 4 0.43 4 16.06 5.6 6.3 2.8 1.38 2.13 7.88 4 3/4"x10unc 0.87 8x7 4.02 4 0.43 6 21.3 7.3 8.9 3.2 1.97 2.32 4 10.62 3/4"x10unc 1.14 8x7 4.92 4 0.51 8 25.4 8.9 10.6 3.5 2.36 2.87 13.00 4 7/8"x9unc 1.38 10x8 5.51 4 0.71
10 27.8 10 11.8 3.5 2.36 3.27 15.25 4 1"x8unc 1.50 12x8 5.51 4 0.71 12 31.5 11.4 13 4.7 2.36 3.62 17.75 4 1 1/8"x8un 1.50 12x8 6.50 4 0.87 14 36 13.4 15 4.7 2.95 4.61 20.25 4 1 1/8"x8un 2.13 16x10 6.50 4 0.87 16 39 14.4 16.9 4.7 2.95 5.24 22.50 4 1 1/4"x8un 2.13 16x10 10.00 8 0.75 18 45.1 16.5 18.5 5.5 4.53 5.87 24.75 4 1 1/4"x8un 2.56 20x12 11.73 8 0.91 20 49 18.5 20.5 5.5 4.53 6.26 27.00 4 1 1/4"x8un 2.76 20x12 11.73 8 0.91 24 54.7 20.7 23.2 6.3 4.53 7.13 32.00 4 1 1/2"x8un 3.15 22x14 14.02 8 1.30 26 59.25 22.6 25.2 6.3 5.12 8.27 34.50 4 1 5/8"x8un 3.54 25x14 14.02 8 1.30 28 62.2 24.8 26 6.3 5.12 9.02 4 37.00 1 5/8"x8un 3.94 28x16 14.02 8 1.30 30 65.2 26.4 26.6 7.1 5.12 9.06 39.25 4 1 3/4"x8un 4.33 32x18 15.98 8 1.54 32 67.7 27.6 28 7.1 5.12 9.49 41.50 4 1 7/8"x8un 4.33 32x18 15.98 8 1.54 34 72.2 28.7 29.3 7.9 6.30 9.49 43.50 4 1 7/8"x8un 4.72 32x18 15.98 8 1.54 36 75.2 29.9 30.3 7.9 7.09 10.75 46.00 8 2"x8un 5.12 36x20 19.02 12 1.54
CLASS 600 - UNIT INCHSize H H1 H2 H3 H4 L
U– inchFlange Dimensions Mounting Dimensions
B.C.D N Øh or T ØG Key BD n Øh1 6 24.61 8.66 10.04 3.54 2.36 3.07 11.50 4 1"x8unc 1.38 10x8 5.51 4 0.71 8 28.54 9.84 12.20 3.54 2.95 4.02 13.75 4 1 1/8"x8un 1.77 14x9 6.50 4 0.87
10 33.07 11.61 13.78 4.72 2.95 4.61 17.00 4 1 1/4"x8un 2.13 16x10 10.00 8 0.75 12 37.60 12.99 15.35 4.72 4.53 5.51 19.25 4 1 1/4"x8un 2.56 20x12 10.00 8 0.75 14 42.72 14.96 17.72 5.51 4.53 6.10 20.75 4 1 3/8"x8un 2.76 20x12 11.73 8 0.91 16 46.65 16.93 19.69 5.51 4.53 7.01 23.75 4 1 1/2"x8un 3.15 22x14 11.73 8 0.91 18 50.20 18.31 20.47 6.30 5.12 7.87 25.75 4 1 5/8"x8un 3.54 25x14 14.02 8 1.30 20 51.18 19.69 20.08 6.30 5.12 8.50 28.50 4 1 5/8"x8un 3.94 28x16 14.02 8 1.30 24 59.45 23.62 23.62 7.09 5.12 9.13 33.00 4 1 7/8"x8un 4.33 32x18 15.98 8 1.54
8 I Pratt Industrial
TRIPLE OFFSET BUTTERFLY VALVE LUG TYPE
Flange DimensionsSize H H1 H2 H3 H4 L
Mounting DimensionsO.DO.D B.C.D Thk N Øh T ØGØG y BD n Øh1
3 13.98 4.53 5..31.31.3131 222. 7.50 5.00 6.00 0.94 4 0.75 5/8"x11unc 0.75 6x6 4.02 4 0.434 16.06 5.63 6.30 2.76 1.38 5.00 9.00 6.19 7.50 0.94 8 0.75 5/8"x11unc 0.87 8x7 4.02 4 0.436 19.88 6.89 333.8...27.272727 11.00 8.50 9.50 1.00 8 0.87 3/4"x10unc 1.02 8x7 4.02 4 0.438 22.17 7.80 9.25 3.15 1.97 5.98 13.50 10.62 11.75 1.12 8 0.87 3/4"x10unc 1.14 8x7 4.92 4 0.51
10 92226.266.266.26 3.54 2.36 6.50 16.00 12.75 14.25 1.19 12 1.00 7/8"x9unc 11.381.38 5.51 4 0.7112 28.03 10.51 11.61 3.54 2.36 7.01 19.00 15.00 17.00 1.25 12 1.00 7/8"x9unc 1.50 12x8 5.51 4 0.7114 31.30 1111.6 12.60 4.72 2.36 7.48 21.00 16.25 18.75 1.38 12 1.13 1"x8unc 11.50.50 1 6.50 4 0.8716 35.04 12.80 14.57 4.72 2.95 8.50 23.48 18.50 21.25 1.44 16 1.13 1"x8unc 1.85 14x9 6.50 4 0.8718 38.78 1414.5 16.54 4.72 2.95 8.74 25.00 21.00 22.75 1.56 16 1.25 1 1/8"x8un 2.13 16x10 6.50 4 0.8720 40.75 15.94 17.13 4.72 2.95 9.02 27.50 23.00 25.00 1.69 20 1.25 1 1/8"x8un 2.13 16x10 10.00 8 0.75224 49.21 1818.9 2020.2 5.51 4.53 1010.5 32.00 27.25 29.50 1.88 20 1.37 1 1/4"x8un 2.76 2020x1 10.00 8 0.7526 52.76 20.87 21.85 5.51 4.53 10.51 34.25 29.50 31.75 2.69 24 1.37 1 1/4"x8un 2.76 20x12 11.73 8 0.91228 55.71 2222.0 2222.8 6.30 4.53 1111.5 36.50 31.50 34.00 2.81 28 1.37 1 1/4"x8un 3.15 2222x1 14.02 8 1.3030 59.06 23.23 25.00 6.30 4.53 12.52 38.75 33.75 36.00 2.94 28 1.37 1 1/4"x8un 3.15 22x14 14.02 8 1.3032 62.20 2424.8 25.98 6.30 5.12 1212.5 41.75 36.00 38.50 3.19 28 1.63 1 1/2"x8un 3.54 2525x1 14.02 8 1.3034 65.16 26.57 27.17 6.30 5.12 12.99 43.75 38.00 40.50 3.25 32 1.63 1 1/2"x8un 3.94 28x16 14.02 8 1.3036 67.91 27.56 28.15 7.09 5.12 1212.9 46.00 40.25 42.75 3.56 32 1.63 1 1/2"x8un 3.94 2828x1 15.98 8 1.5440 72.64 30.71 29.72 7.09 5.12 16.14 50.75 44.25 47.25 3.56 36 1.63 1 1/2"x8un 3.94 28x16 15.98 8 1.5442 74.02 31.50 30.31 7.09 5.12 1616.1 53.00 47.00 49.50 3.81 36 1.63 1 1/2"x8un 4.33 32x18 15.98 8 1.5446 80.91 34.45 33.07 7.09 6.30 18.50 57.25 51.00 53.75 4.06 40 1.63 1 1/2"x8un 4.72 32x18 15.98 8 1.5448 84.25 35.83 34.25 7.87 6.30 18.50 59.50 1.63 1 1/2"x8un 4.72 32x18 19.02 12 1.5453.50
ss56.00
– 4.25
I44
CLASS 150 - UNIT INCH
CLASS 300 - UNIT INCH
Sizze H H1 H2 H3 H4 L Flange Dimensions MMounountting ing Dim
O.D Øg B.C.D Thk N Øh T ØGØG y BD n ØhØh3 13.98 4.4.53 .31111 2.72.72.76 8.25 5.00 6.62 1.12 8 0.87 3/4"x10unc 0.75 6x6 4.02 4 0.434 16.06 5.63 6.30 2.76 1.38 5.00 10.00 6.19 7.88 1.25 8 0.87 3/4"x10unc 0.87 8x7 4.02 4 0.436 21.26 333....86.868686 7.288 12.50 8.50 10.62 1.44 12 0.87 3/4"x10unc 11.14.14 4.92 4 0.518 25.39 8.86 10.63 3.54 2.36 5.98 15.00 10.62 13.00 1.62 12 1.00 7/8"x9unc 1.38 10x8 5.51 4 0.71
10 27.76 10.04 11.81 2333.54.54.54 17.50 12.75 15.25 1.88 16 1.13 1"x8unc 1.501.50 1 5.51 4 0.7112 31.50 11.42 12.99 4.72 2.36 7.01 20.50 15.00 17.75 2.00 16 1.25 1 1/8"x8un 1.50 12x8 6.50 4 0.87114 36.02 13.39 1414.9 4.724.724.72 2 23.00 16.25 20.25 2.12 20 1.25 1 1/8"x8un 22..2.1313 6.50 4 0.8716 38.98 14.37 16.93 4.72 2.95 8.50 25.50 18.50 22.50 2.25 20 1.37 1 1/4"x8un 2.13 16x10 10.00 8 0.75118 45.08 16.54 18.50 5.515.515.51 4 28.00 21.00 24.75 2.38 24 1.37 1 1/4"x8un 2.56 2020x1 11.73 8 0.9120 49.02 18.50 20.47 5.51 4.53 9.02 30.50 23.00 27.00 2.50 24 1.37 1 1/4"x8un 2.76 20x12 11.73 8 0.9124 54.72 20.67 23.2323.23 4.4.534.53 36.00 27.25 32.00 2.75 24 1.63 1 1/2"x8un 3.15 2222x1 14.02 8 1.3026 59.25 22.64 25.20 6.30 5.12 10.51 38.25 29.50 34.50 3.13 28 1.75 1 5/8"x8un 3.54 25x14 14.02 8 1.3028 62.20 24.80 25.9825.98 5.5.125.12 40.75 31.50 37.00 3.38 28 1.75 1 5/8"x8un 3.94 28x16 14.02 8 1.3030 65.16 26.38 26.57 7.09 5.12 12.52 43.00 33.75 39.25 3.63 28 1.87 1 3/4"x8un 4.33 32x18 15.98 8 1.5432 67.72 27.56 227.957.95 5.5.125.12 45.25 36.00 41.50 3.88 28 2.00 1 7/8"x8un 4.33 32x18 15.98 8 1.5434 72.24 28.74 29.33 7.87 6.30 12.99 47.50 38.00 43.50 4.00 28 2.00 1 7/8"x8un 4.72 32x18 15.98 8 1.5436 75.20 29.92 30.3130.31 77.09.09 12 50.00 2.13 2"x8un 5.12 36x20 19.02 12 1.5440.25
ss 46.00
– 4.13
I32
Sizze H H1 H2 H3 H4 L Flange Dimensions MMounountting ing Dim
O.DO.D B.C.D Thk NN Øh T ØG Key BD Øh1nn 6 24.61 8.66 10.04 3.54 2.36 8.27 14.00 8.50 11.50 2.13 12 1.13 1"x8unc 1.38 10x8 5.51 4 0.718 28.54 9.849.84 3.5400 2.95 9.06 16.50 10.62 13.75 2.44 12 1.25 1 1/8"x8un 11.77.77 1 6.50 4 0.87
10 33.07 11.61 13.78 4.72 2.95 9.84 20.00 12.75 17.00 2.75 16 1.37 1 1/4"x8un 2.13 16x10 10.00 8 0.7512 37.60 12.99 115.355.35 44.53.53 10 22.00 15.00 19.25 2.87 20 1.37 1 1/4"x8un 2.56 20x12 10.00 8 0.7514 42.72 14.96 17.72 5.51 4.53 11.42 23.75 16.25 20.75 3.00 20 1.50 1 3/8"x8un 2.76 20x12 11.73 8 0.9116 46.65 16.93 119.699.69 4.534.53 12 27.00 18.50 23.75 3.25 20 1.63 1 1/2"x8un 3.15 22x14 11.73 8 0.9118 50.20 18.31 20.47 6.30 5.12 12.99 29.25 21.00 25.75 3.50 20 1.75 1 5/8"x8un 3.54 25x14 14.02 8 1.3020 51.18 19.69 220.080.08 55.12.12 13 32.00 23.00 28.50 3.75 24 1.75 1 5/8"x8un 3.94 28x16 14.02 8 1.3024 59.45 23.62 23.62 7.09 5.12 15.35 37.00 27.25 33.00 4.25 24 2.00 1 7/8"x8un 4.33 32x18 15.98 8 1.54
CLASS 600 - UNIT INCH
NOTE1. Flange Dimensions:ANSI B:16.5 & ANSI B16.47 Series A
2. Mounting Dimensionsis based on ISO 52 11 but Adjustable.
3. Dimensions are subjectto change without notice.
H
H1
H3
H4
H2
N-TB.C.D.
N-ØH2 HOLES
L
ØG
key
N: Number of Holes
T: Bolt Diameter
B.C.D: Bolt circle Diameter
n: Number of Holes
Øh2: Hole Size
T: Bolt Diameter
BD: Bolt Circle Diameter
BD
MOUNTING
Pratt Industrial I 9
TRIPLE OFFSET BUTTERFLY VALVE FLANGE TYPE
Flange DimensionsSize H H1 H2 H3 H4 L
Mounting DimensionsO.DO.D B.C.D Thk N Øh T ØGØG y BD n Øh1
3 13.98 4.53 222.5.31.31.31.31 7.50 5.00 6.00 0.94 4 0.75 5/8"x11unc 0.750.75 4.02 4 0.434 16.06 5.63 6.30 2.76 1.38 5.00 9.00 6.19 7.50 0.94 8 0.75 5/8"x11unc 0.87 8x7 4.02 4 0.436 19.88 6.89 8...27.272727 333. 11.00 8.50 9.50 1.00 8 0.87 3/4"x10unc 4 0.438 22.17 7.80 9.25 3.15 1.97 5.98 13.50 10.62 11.75 1.12 8 0.87 3/4"x10unc 1.14 8x7
1.021.02 4.924.02
4 0.5110 92226.266.266.26 3.54 2.36 6.50 16.00 12.75 14.25 1.19 12 1.00 7/8"x9unc 1.381.38 1 5.51 4 0.7112 10.51 11.61 3.54 2.36 7.01 19.00 15.00 17.00 1.25 12 1.00 7/8"x9unc 1.50 12x8 5.51 4 0.7114
28.0331.30 11.611 12.60 4.72 2.36 7.48 21.00 16.25 18.75 1.38 12 1.13 1"x8unc 1.501.50 1 6.50 4 0.87
16 35.04 12.8 14.5 4.72 2.95 8.50 23.48 18.50 21.25 1.44 16 1.13 1"x8unc 1.85 14x9 6.50 4 0.8718 38.78 .5
01144 6.5
74 1 4.72 2.95 8.74 25.00 2
23.001.00 22.75 1.56 16 1.25 1 1/8"x8un 22.13.13 16 6.50 4 0.87
20 40.75 15.94 17.13 4.72 2.95 9.02 27.50 25.00 1.69 20 1.25 1 1/8"x8un 2.13 10.00 8 0.7524 49.21 18.90 20.28 5.51 4.53 1100.5 32.00 27.25 29.50 1.88 20 1.37 1 1/4"x8un 2.76
16x1020x12 10.00 8 0.75
26 52.76 20.87 21.85 5.51 4.53 10.51 34.25 29.50 31.75 2.69 24 1.37 1 1/4"x8un 2.76 20x1x1
2 11.73 8 0.9128 55.71 22.05 22.83 6.30 4.53 11.50 36.50 31.50 34.00 2.81 28 1.37 1 1/4"x8un 3.15 2222 14.02 8 1.3030 59.06 23.23 25.00 6.30 4.53 12.52 38.75 33.75 36.00 2.94 28 1.37 1 1/4"x8un 3.15 22x1
25x144 14.02 8 1.30
32 62.20 24.80 25.98 6.30 5.12 12.52 41.75 36.00 38.50 3.19 28 1.63 1 1/2"x8un 3.54 14.02 8 1.3034 65.16 26.57 27.17 6.30 5.12 12.99 43.75 38.00 40.50 3.25 32 1.63 1 1/2"x8un 3.94 28x16 14.02 8 1.3036 67.91 27.56 28.15 7.09 5.12 1212.9 46.00 40.25 42.75 3.56 32 1.63 1 1/2"x8un 3.94 2828x1 15.98 8 1.5440 72.64 30.71 29.72 7.09 5.12 16.14 50.75 44.25 47.25 3.56 36 1.63 1 1/2"x8un 3.94 28x16 15.98 8 1.5442 74.02 31.50 30.31 7.09 5.12 16.14 53.00 47.00 49.50 3.81 36 1.63 1 1/2"x8un 4.33 3232x1 15.98 8 1.5446 80.91 34.45 33.07 7.09 6.30 18.50 57.25 51.00 53.75 4.06 40 1.63 1 1/2"x8un 4.72 32x18 15.98 8 1.5448 84.25 35.83 34.25 7.87 6.30 1818.5 59.50 53.50 56.00 4.25 44 1.63 1 1/2"x8un 4.72 32x18 19.02 12 1.54
CLASS 150 - UNIT INCH
CLASS 300 - UNIT INCH
Sizze H H1 H2 H3 H4 L Flange Dimensions Mounting Dimensions
O.D Øg B.C.D Thk N Øh T ØGØG y BD n ØhØh3 13.98 4.4.53 .31111 2.72.72.76 8.25 5.00 6.62 1.12 8 0.87 3/4"x10unc 0.75 6x6 4.02 4 0.434 16.06 5.63 6.30 2.76 1.38 5.00 10.00 6.19 7.88 1.25 8 0.87 3/4"x10unc 0.87 8x7 4.02 4 0.436 21.26 ...86.868686 333.7.288 12.50 8.50 10.62 1.44 12 0.87 3/4"x10unc 11.14.14 4.92 4 0.518 25.39 8.86 10.63 3.54 2.36 5.98 15.00 10.62 13.00 1.62 12 1.00 7/8"x9unc 1.38 10x8 5.51 4 0.71
10 27.76 10.04 11.81 23.543.543.54 17.50 12.75 15.25 1.88 16 1.13 1"x8unc 11.50.50 1 5.51 4 0.7112 31.50 11.42 12.99 4.72 2.36 7.01 20.50 15.00 17.75 2.00 16 1.25 1 1/8"x8un 1.50 12x8 6.50 4 0.8714 36.02 13.39 14.96 2444.72.72.72 23.00 16.25 20.25 2.12 20 1.25 1 1/8"x8un 2.132.13 16 6.50 4 0.8716 38.98 14.37 16.93 4.72 2.95 8.50 25.50 18.50 22.50 2.25 20 1.37 1 1/4"x8un 2.13 16x10 10.00 8 0.7518 45.08 16.54 18.50 5.515.515.51 4 28.00 21.00 24.75 2.38 24 1.37 1 1/4"x8un 2.56 20x12 11.73 8 0.9120 49.02 18.50 20.47 5.51 4.53 9.02 30.50 23.00 27.00 2.50 24 1.37 1 1/4"x8un 2.76 20x12 11.73 8 0.9124 54.72 20.67 23.2323.23 104.534.53 36.00 27.25 32.00 2.75 24 1.63 1 1/2"x8un 3.15 2222x1 14.02 8 1.3026 59.25 22.64 25.20 6.30 5.12 10.51 38.25 29.50 34.50 3.13 28 1.75 1 5/8"x8un 3.54 25x14 14.02 8 1.3028 62.20 24.80 25.9825.98 5.5.125.12 40.75 31.50 37.00 3.38 28 1.75 1 5/8"x8un 3.94 28x16 14.02 8 1.3030 65.16 26.38 26.57 7.09 5.12 12.52 43.00 33.75 39.25 3.63 28 1.87 1 3/4"x8un 4.33 32x18 15.98 8 1.5432 67.72 27.56 227.957.95 5.125.12 12 45.25 36.00 41.50 3.88 28 2.00 1 7/8"x8un 4.33 32x18 15.98 8 1.5434 72.24 28.74 29.33 7.87 6.30 12.99 47.50 38.00 43.50 4.00 28 2.00 1 7/8"x8un 4.72 32x18 15.98 8 1.5436 75.20 29.92 330.310.31 127.097.09 50.00 2.13 2"x8un 5.12 36x20 19.02 12 1.5440.25
ss 46.00
– 4.13
I32
Sizze H H1 H2 H3 H4 L Flange Dimensions MMounountting ing Dim
OO.D.D B.C.D Thk ØhNN T ØG Key BD Øh1nn 6 24.61 8.66 10.04 3.54 2.36 8.27 14.00 8.50 11.50 2.13 12 1.13 1"x8unc 1.38 10x8 5.51 4 0.718 28.54 9.849.84 00 3.54 2.95 9.06 16.50 10.62 13.75 2.44 12 1.25 1 1/8"x8un 11.771.77 6.50 4 0.87
10 33.07 11.61 13.78 4.72 2.95 9.84 20.00 12.75 17.00 2.75 16 1.37 1 1/4"x8un 2.13 16x10 10.00 8 0.7512 37.60 12.99 15.3515.35 4.534.53 10 22.00 15.00 19.25 2.87 20 1.37 1 1/4"x8un 2.56 20x12 10.00 8 0.7514 42.72 14.96 17.72 5.51 4.53 11.42 23.75 16.25 20.75 3.00 20 1.50 1 3/8"x8un 2.76 20x12 11.73 8 0.9116 46.65 16.93 19.6919.69 4.534.53 12 27.00 18.50 23.75 3.25 20 1.63 1 1/2"x8un 3.15 22x14 11.73 8 0.9118 50.20 18.31 20.47 6.30 5.12 12.99 29.25 21.00 25.75 3.50 20 1.75 1 5/8"x8un 3.54 25x14 14.02 8 1.3020 51.18 19.69 20.0820.08 135.125.12 32.00 23.00 28.50 3.75 24 1.75 1 5/8"x8un 3.94 28x16 14.02 8 1.3024 59.45 23.62 23.62 7.09 5.12 15.35 37.00 27.25 33.00 4.25 24 2.00 1 7/8"x8un 4.33 32x18 15.98 8 1.54
CLASS 600 - UNIT INCH
10 I Pratt Industrial
WEIGHT - UNIT (LBS)
TRIPLE OFFSET BUTTERFLY - TABLE OF WEIGHTS
WAFER LUG FLANGED WAFER LUG FLANGED WAFER LUG FLANGED
3 80 17.6 19.8 30.9 17.6 17.6 22.0 37.5 17.6 0.0 0.0 0.0 0.04 100 26.5 30.9 41.9 17.6 26.5 35.3 61.7 17.6 39.7 52.9 81.6 26.56 150 39.7 44.1 70.5 17.6 55.1 66.1 116.8 26.5 88.2 105.8 209.4 55.18 200 70.5 77.2 114.6 26.5 92.6 110.2 191.8 37.5 134.5 180.8 319.7 79.4
10 250 97.0 119.0 169.8 37.5 130.1 169.8 282.2 55.1 202.8 313.1 507.1 88.212 300 143.3 169.8 244.7 55.1 207.2 231.5 377.0 88.2 291.0 515.9 716.5 165.314 350 205.0 229.3 246.9 55.1 291.0 388.0 511.5 88.2 370.4 604.1 842.2 242.516 400 224.9 319.7 436.5 79.4 423.3 537.9 652.6 165.3 727.5 996.5 1190.5 264.618 450 370.4 427.7 542.3 88.2 606.3 789.3 992.1 242.5 672.4 976.6 1327.2 463.020 500 476.2 564.4 674.6 88.2 705.5 974.4 1168.4 264.6 1256.6 1521.2 1896.0 705.524 600 793.7 961.2 1212.5 176.4 1115.5 1455.1 1741.7 463.0 2336.9 2866.0 3439.2 705.5
SIZE(Inch)
DN(mm)
CLASS 150 - Unit (Lbs) CLASS 300 - Unit (Lbs) CLASS 600 - Unit (Lbs)
BARE STEM
Weight of Gear Box
(Lbs)
Weight of Gear Box
(Lbs)
Weight of GearBARE STEM BARE STEM
WAFER LUG FLANGED WAFER LUG FLANGED WAFER LUG FLANGED
3 80 8 9 14 8 8 10 17 84 100 12 14 19 8 12 16 28 8 18 24 37 126 150 18 20 32 8 25 30 53 12 40 48 95 258 200 32 35 52 12 42 50 87 17 61 82 145 36
10 250 44 54 77 17 59 77 128 25 92 142 230 4012 300 65 77 111 25 94 105 171 40 132 234 325 7514 350 93 104 112 25 132 176 232 40 168 274 382 11016 400 102 145 198 36 192 244 296 75 330 452 540 12018 450 168 194 246 40 275 358 450 110 305 443 602 21020 500 216 256 306 40 320 442 530 120 570 690 860 32024 600 360 436 550 80 506 660 790 210 1060 1300 1560 320
DN(mm)
CLASS 150 - Unit (Kgs) CLASS 300 - Unit (Kgs) CLASS 600 - Unit (Kgs)
Weight of Gear
SIZE(Inch)
BARE STEMWeight of
GearWeight of
GearBARE STEM BARE STEM
Notes:
Notes:
WEIGHT - UNIT (KGS)
Pratt Industrial I 11
CLASS 150
TRIPLE OFFSET CV VALUE
SIZE DEGREE OF OPENING
inch mm 10° 20° 30° 40° 50° 60° 70° 80° 90°
3 80 16 29 45 62 79 95 102 99 92
4 100 30 55 86 118 151 180 194 189 175
6 150 51 108 182 276 394 536 654 719 695
8 200 79 170 303 488 715 980 1236 1422 1444
10 250 128 275 489 787 1152 1580 1992 2292 2327
12 300 210 451 803 1293 1893 2597 3274 3768 3825
14 350 271 581 1034 1665 2438 3344 4216 4851 4925
16 400 367 787 1401 2255 3303 4530 5711 6572 6672
18 450 494 1061 1888 3039 4450 6104 7695 8855 8990
20 500 605 1298 2310 3718 5445 7469 9416 10835 11000
22 550 822 1763 3137 5049 7394 10143 12787 14714 14938
24 600 1064 2283 4062 6539 9576 13135 16559 19055 19345
26 650 1331 2856 5082 8180 11979 16432 20715 23837 24200
28 700 1579 3388 6030 9706 14214 19498 24581 28285 28716
30 750 1861 3993 7107 11439 16752 22979 28970 33335 33843
32 800 2081 4465 7945 12788 18728 25690 32387 37267 37835
34 850 2309 4954 8816 14189 20780 28504 35935 41350 41980
36 900 3003 6443 11466 18455 27027 37073 46738 53781 54600
40 1000 3201 6868 12222 19672 28809 39518 49819 57327 58200
42 1050 4100 8796 15653 25195 36897 50613 63806 73422 74540
48 1200 4279 9180 16338 26296 38511 52826 66597 76633 77800
12 I Pratt Industrial
CLASS 300
TRIPLE OFFSET CV VALUE
SIZE DEGREE OF OPENING
inch mm 10° 20° 30° 40° 50° 60° 70° 80° 90°
3 80 16 29 45 62 79 95 102 99 92
4 100 30 55 86 118 151 180 194 189 175
6 150 44 93 157 238 340 463 565 620 600
8 200 67 143 255 410 600 823 1037 1194 1212
10 250 120 257 458 737 1079 1480 1866 2147 2180
12 300 188 402 716 1153 1688 2316 2920 3360 3411
14 350 248 532 947 1524 2232 3062 3861 4442 4510
16 400 327 702 1249 2010 2943 4037 5090 5857 5946
18 450 446 956 1702 2739 4012 5503 6938 7983 8105
20 500 548 1176 2094 3370 4935 6770 8534 9820 9970
24 600 759 1628 2898 4664 6831 9370 11813 13593 13800
26 650 976 2094 3726 5998 8784 12049 15190 17479 17745
28 700 1130 2425 4315 6945 10171 13951 17588 20239 20547
30 750 1332 2857 5084 8183 11984 16439 20725 23848 24211
32 800 1656 3552 6321 10174 14900 20438 25766 29649 30100
34 850 1887 4047 7203 11593 16979 23290 29361 33786 34300
36 900 2140 4590 8169 13148 19256 26413 33298 38317 38900
SIZE DEGREE OF OPENING
inch mm 10° 20° 30° 40° 50° 60° 70° 80° 90°
6 150 41 87 147 223 318 433 528 580 561
8 200 52 111 197 318 465 638 805 926 940
10 250 88 189 336 540 791 1085 1368 1574 1598
12 300 146 313 557 896 1313 1801 2270 2612 2652
14 350 215 461 820 1320 1933 2651 3343 3846 3905
16 400 285 612 1089 1753 2567 3521 4438 5107 5185
18 450 392 840 1495 2407 3524 4834 6095 7013 7120
20 500 501 1074 1911 3076 4505 6179 7790 8964 9100
24 600 693 1487 2646 4259 6237 8555 10786 12411 12600
CLASS 600
Pratt Industrial I 13
PRESSURE - TEMPERATURE RATINGS
ASME B16.34-2009
(a) – Permissible, but not recommended for prolonged usage
CLASS TEMP °FA216 WCB
A105 & LF2A352 LCC
A217 WC6
A182 F11
A217 WC9
A182 F22
A217 C5
A182 F5
A217 C12
A182 F9
A351 CF8
A182 F304
A351 CF8M
A182 F316A352 CN7M
150
-20 to 100 285 290 290 290 290 290 275 275 230
200 260 260 260 260 260 260 230 230 200
300 230 230 230 230 230 230 205 205 180
400 200 200 200 200 200 200 190 190 160
500 170 170 170 170 170 170 170 170 150
600 140 140 140 140 140 140 140 140 140
650 125 125 125 125 125 125 125 125
700 110 110 110 110 110 110 110 110
750 95 95 95 95 95 95 95 95
800 80 80 80 80 80 80 80 80
850 65 65 65 65 65 65 65 65
900 50 50 50 50 50 50 50 50
950 35 35 35 35 35 35 35 35
1000 20 20 20 20 20 20 20 20
1050 20 (a) 20 (a) 20 (a) 20 (a) 20(a) 20(a)
1100 20 (a) 20 (a) 20 (a) 20 (a) 20(a) 20(a)
1150 20 (a) 20 (a) 20 (a) 20 (a) 20(a) 20(a)
1200 15 (a) 15 (a) 15 (a) 20 (a) 20(a) 20(a)
1250 20(a) 20(a)
1300 20(a) 20(a)
1350 20(a) 20(a)
1400 20(a) 20(a)
1450 20(a) 20(a)
1500 15(a) 15(a)
COLD WORKING PRESSURE, psig
CLASS TEMP °FA216 WCB
A105 & LF2A352 LCC
A217 WC6
A182 F11
A217 WC9
A182 F22
A217 C5
A182 F5
A217 C12
A182 F9
A351 CF8
A182 F304
A351 CF8M
A182 F316A352 CN7M
300
-20 to 100 740 750 750 750 750 750 720 720 600
200 680 750 750 750 750 750 600 620 520
300 655 730 720 730 730 730 540 560 465
400 635 705 695 705 705 705 495 515 420
500 605 665 665 665 665 665 465 480 390
600 570 605 605 605 605 605 440 450 360
650 550 590 590 590 590 590 430 440
700 530 555 570 570 570 570 420 435
750 505 505 530 530 530 530 415 425
800 410 410 510 510 510 510 405 420
850 320 320 485 485 485 485 395 420
900 230 225 450 450 375 450 390 415
950 135 135 320 385 275 375 380 385
1000 85 85 215 265 200 255 355 365
1050 145 175 145 170 325 360
1100 95 110 100 115 255 305
1150 65 70 60 75 205 235
1200 40 40 35 50 165 185
1250 135 145
1300 115 115
1350 95 95
1400 75 75
1450 60 60
1500 40 40
14 I Pratt Industrial
PRESSURE - TEMPERATURE RATINGS
ASME B16.34-2009
A216 WCB
A105 & LF2A352 LCC
A217 WC6
A182 F11
A217 WC9
A182 F22
A217 C5
A182 F5
A217 C12
A182 F9
A351 CF8
A182 F304
A351 CF8M
A182 F316A352 CN7M
150
CLASS TEMP °F
-20 to 100 285 290 290 290 290 290 275 275 230
200 260 260 260 260 260 260 230 230 200
300 230 230 230 230 230 230 205 205 180
400 200 200 200 200 200 200 190 190 160
500 170 170 170 170 170 170 170 170 150
600 140 140 140 140 140 140 140 140 140
650 125 125 125 125 125 125 125 125
700 110 110 110 110 110 110 110 110
750 95 95 95 95 95 95 95 95
800 80 80 80 80 80 80 80 80
850 65 65 65 65 65 65 65 65
900 50 50 50 50 50 50 50 50
950 35 35 35 35 35 35 35 35
1000 20 20 20 20 20 20 20 20
1050 20 (a) 20 (a) 20 (a) 20 (a) 20(a) 20(a)
1100 20 (a) 20 (a) 20 (a) 20 (a) 20(a) 20(a)
1150 20 (a) 20 (a) 20 (a) 20 (a) 20(a) 20(a)
1200 15 (a) 15 (a) 15 (a) 20 (a) 20(a) 20(a)
1250 20(a) 20(a)
1300 20(a) 20(a)
1350 20(a) 20(a)
1400 20(a) 20(a)
1450 20(a) 20(a)
1500 15(a) 15(a)
COLD WORKING PRESSURE, psig
Pratt IndustrialEmporia, Kansas
Tel. 620-208-8100Fax. 620-208-8111www.prattindl.com
© 2014 CAM Valve and Automation, LLC I Printed in the U.S.A. I PI-SV-1014