FULL LIFT SAFETY VALVE zARMAK - Zetkama · 1/7 figure ends form threaded straight 782 valves made according to PN EN ISO 4126-1 high tightness air other gases and vapours, which outflow

1/7

figure

ends form

threaded straight

782

valves made according to PN EN ISO 4126-1

high tightness

air

other gases and vapours, which outflow can go directly into the environment

APPLICATION

FEATURES

FULL LIFT SAFETY VALVE zARMAK

D25 bar

120°C

nominal pressure

max. temperature

1433

Vbrass

DN10-25

nominal diameter

body material

782

ex.index

Data given can be changed without notice. Edition 06/2016

MEDIA

power engineering

industry

heating

ZETKAMA Sp. z o.o.ul. 3 Maja 12PL 57-410 Ścinawka Średnia

tel. +48 74 8652 174tel. +48 74 8652 111fax +48 74 8652 199

e-mail [email protected]

MATERIALS

type

temperature range

nozzle

cap

disc

spindle

spring plate

adjusting screw plug

upper screw plug

spring

01-3

o-10...+120 C

51CrV41.8159

CuZn40Pb22.0402

CuZn40Pb22.0402

CuZn40Pb22.0402

CuZn40Pb22.0402

CuZn40Pb2 / EPDM2.0402

CuZn40Pb2

CuZn40Pb22.0402

V

1

2

3

4

5

6

7

8

body material

7

6

8

4

2

5

3

1

figure

ends form

threaded straight

782

2.0402

2/7



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DIMENSIONS

figure

ends form

threaded straight

782

DN

mm

do

kg

10

15

20

25

10

12

16

20

0,415

0,435

0,460

0,415

2 mm

78,5

113

201

314

A

mm

a B

mm

32

32

34

42

H

13

13

15

17

120

120

122

128

bar

1,1

1,1

0,7

0,7

25

22

20

16

Set pressure min maxG

cal

⅜

½

¾

1

3/7



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DISCHARGE COEFFICIENTS

Type of valve

DN

for vapours and gases Kdr

overpressure- 10%

782

10 15 20 25

0,65 0,65 0,65 0,57

The given values concern ß<0,25. For the values ß≥0,25 the discharge coefficient should be read from the following graph.

NOTES

The valve should be mounted in vertical position.

figure

ends form

threaded straight

782

4/7



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CAPACITY TABLE FOR AIR

Capacity calculated at overpressure 0,1 bar or 10%

figure

ends form

threaded straight

782

5/7



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2A- bore area [mm ]

DN (inlet)

Air 20°C (kg/h)

CAPACITY TABLE FOR AIR

Capacity calculated at overpressure 0,1 bar or 10%

figure

ends form

threaded straight

782

6/7



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4,00 234 337 600 821

4,50 258 371 661 905

5,00 282 406 722 989

5,50 306 440 783 1072

6,00 330 474 844 1156

6,50 353 509 905 1240

7,00 377 543 966 1323

7,50 401 577 1027 1407

8,00 425 612 1088 1491

9,00 473 680 1210 1658

10,00 520 749 1332 1825

11,00 568 818 1455 1993

12,00 616 886 1577 2160

13,00 663 955 1699 2327

14,00 711 1024 1821 2495

15,00 759 1092 1943 2662

16,00 807 1161 2065 2829

18,00 902 1298 2310

19,00 950 1367 2432

20,00 997 1436 2554

22,00 1093 1573

25,00 1236

2A- bore area [mm ]

DN (inlet)

Air 20°C (kg/h)

TYPES

782 V

CuZn40Pb2brass

10-25mm

D25bar

figure body materialnominal diameter

DN

nominal pressure

PNtype

ORDER EXAMPLE

782 010 D

normal types for gases and vapours, EPDM sealing

nominal pressure PN25

nominal diameter DN10

brass CuZn40Pb2

01-3V

figure body materialnominal diameter

DN

nominal pressure

PNtype

782

782

V

010

D

01-3

V 010 D 01-3

full lift safety valve, threaded ends , angle form

ORDERING

To place an order please use our product number (index)

01-3 Tmax 120 °C normal types for gases and vapours sealing disc EPDM

figure

ends form

threaded straight

782

7/7



tel. +48 74 8652 174tel. +48 74 8652 111fax +48 74 8652 199


Documents

FULL LIFT SAFETY VALVE zARMAK - Zetkama · 1/7 figure ends form threaded straight 782 valves made according to PN EN ISO 4126-1 high tightness air other gases and vapours, which outflow