L E V E L I N D I C A T I O N | L I Q U I D S E A L Z E R O E M I S S I O N G A U G E H E A D S

M O D E L 375 L S G A U G E H E A D

Features• Low Profile, Compact Design ideal for Rental Tanks• Patented Energised Liquid Seal• Close Cable Tolerances for trouble-free operation• Has both 1-1/2 MNPT and 3/4 FNPT Connections• Comes complete with Hawkeye’s Top Roller Guide

2 L E V E L I N D I C AT I O N | L I Q U I D S E A L Z E R O E M I SS I O N G A U G E H E A D S | M O D E L 375 L S G A U G E H E A D

F E A T U R E S

Low Profile• Under 5” high when installed.• Sites below most tank roof peaks.• Reduces transport damage.

Patented Energised Liquid Seal*• Energised Liquid Seal cartridge fills the cable with

sealing grease, denying even small amounts of gasto escape along with cable.

• Integrated seal and wiper design recovers greasefrom the cable, ensuring long periods betweenreplenishment.

• Grease top-up easy with integrated 1/8” zerk.• Maintains seal 5 - 10 times long than similar

grease-seal competitiors.• US Patent 8,833,158, other patents pending

Two Connections in One• Gauge Head has both 1-1/2 male NPT

connections for new build tanks, and 3/4 femaleNPT to retrofit on existing tanks.

7

6

7

3

11

5

1

10

12

16

14

8

2

10

41315

9

PA R T S L I S T & M A T E R I A L S O F C O N S T R U C T I O N

Item P/N Part Name Material

1 SH2-375-LS-BODY Body Cast Aluminum

2 SH2-375-LS-20 Pulley Axle, Sealed Side

AL6061

3 SH2-375-LS-30 Pulley Guide / Cartridge Cap

Nylatron

4 SH2-375-LS-45 Pressure Cover Al6061

5 SH2-750-LS-30 Gasket Retainer Nylatron

6 SH2-750-LS-40 Spacer Nylatron

7 SH2-750-LS-50 Gasket eFKM (Sponge Viton)

8 SH2-750-LS-60 Energising Spring

302SS

Item P/N Part Name Material

9 SH2-375-LS-70 Cover Seal FKM (Viton)

10 10-1014N Pulley Nylatron

11 HW-1130 Cotter Pin 316 SS

12 HW-1144 Clevis Pin 316 SS

13 HW-1145 Seal Washer ZP CS, NBR (Buna) Insert

14 HW-2002 Grease Zerk 316SS

15 HW-1147 Lock Nut 316SS, Nylon Insert

16 HW-1146 Cartridge Screw

316 SS

3/4 FNPT

1-1/2 MNPT

L I Q U I D S E A L Z E R O E M I SS I O N G A U G E H E A D S | M O D E L 375 L S G A U G E H E A D 3L E V E L I N D I C A T I O N |

D I M E N S I O N S

EH

F

D

K

J

A

G2G1C

R

B

Dimension Model 375LS

A Overall Length 10.6

B Overall Width 2.6

C Cable Span 9.1

D Pulley Span 7.6

E Overall Height 3.9

F Handtight to top 4.5

Dimension Model 375LS

G1 Connection Size 1 3/4 FNPT

G2 Connection Size 2 1-1/2 MNPT

H Cable Exit Height 3.5

J Clearance 1.9

K Thread Extent 1.0

Weight 3 lb

O P E R A T I N G S P E C I F I C A T I O N SMeasuring Princple Mechanical (Float)

Maximum Range 24 m [ 80 ft]

Local Display Tank Mounted Gauge Board & Indicator

Process Connection 1-1/2 MNPT and 3/4 FNPT

Process Temperature - 40 °C to 60°C (w/ LLDPE Float)

Ambient Temperature - 40 °C to 70°C (w/ LLDPE Float)

Operating Pressure 0.15 bar [2 psi]

4 L E V E L I N D I C AT I O N | L I Q U I D S E A L Z E R O E M I SS I O N G A U G E H E A D S | M O D E L 375 L S G A U G E H E A D

S Y S T E M I N F O R M A T I O N

The Model 375 LS Gauge Head forms the core of a complete level indication system. To take advantage of the full value of the Level Indication system, be sure to specify a complete Model 375 LS Level Indica-tion System with components that are designed and engineered to work together.

A complete system includes:• Model 375 LS Gauge Head with Top Roller Guide

(Highlighted at right)• Graduated Gauge Board, with volume in [m3]• Freeze-resistant Indicator & Indicator Guides• Horizontal Polyethylene Float (LLDPE)• Float Guides

S Y S T E M O P T I O N S & A C C E S S O R I E S

Stainless Steel FloatSuitable for high-temperature applications.

Float Guide AnchorTo secure float guides when tank floor cannot be ac-cessed or modified.

Gauge Board Mounting ClipsWeld-on or magnetic clips to secure gauge board to tank wall.

Level SwitchesElectrical or Pneumatics Mechanical point swtiches.

O R D E R I N G I N F O R M A T I O N

Complete Model 375 LS Level Indication System

1. Specify “Model 375 LS Level Indication System”

2. Specify Tank Height, and Volume

3. Specify desired gauge board graduations (volu-metric [m3] is standard)

4. Specify any options or accessories required.

Individual Model 375 LS Gauge Head

1. Specify “Model 375 LS Gauge Head”

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