ESAB H-14 & H-16 Back-Pressure Check Valves Troubleshooting instruction

Brand: ESAB

Model: H-14 & H-16 Back-Pressure Check Valves

Type: Troubleshooting instruction

This manual is also suitable for

OXWELD® H-14 & H-16 Back-Pressure Check Valves

ESAB H-14 & H-16 Back-Pressure Check Valves are reliable safety devices designed to prevent the reverse flow of gases in oxy-fuel gas equipment. They feature precise pressure regulation, ensuring optimal performance and enhancing safety during welding, cutting, and heating applications. These valves are meticulously engineered to meet the highest industry standards, delivering dependable operation and extended service life.

F-9615-H

July, 2009

Be sure this information reaches the operator.

You can get extra copies through your supplier.

INSTRUCTIONS for

H-14 & H-16

BACK-PRESSURE

CHECK VALVES

F-9615-H

These INSTRUCTIONS are for experienced operators. If you are not fully familiar

with the principles of operation and safe practices for oxy-fuel gas equipment, we

urge you to read our booklet “Precautions and Safe Practices for Welding, Cut-

ting and Heating,” Form 2035. The same information appears in the “Oxy-Acety-

lene Handbook” which may be purchased from any ESAB distributor. Do NOT

permit untrained persons to operate this equipment. Do NOT attempt to operate

this equipment until you have read and fully understand these instructions. If you

do not fully understand these instructions, contact your supplier for further infor-

mation.

The check valves covered by these instructions are listed by Underwriter’s Labo-

ratories only when using parts manufactured to ESAB Welding & Cutting Prod-

ucts specications on le with Underwriter’s Laboratories, Inc., and when they

are used in the gas service for which they are designed and listed. The use of

other parts that cause damage or failure to the equipment will void the

manufacturer’s warranty.

SPECIFICATIONS

Back-Pressure Max. Flow Operating

Check Valve For Use Capacity, Pressure Range Inlet Outlet Vent Overall Max.

Model Part No. With CFH (m

/hr) PSI (bars) Connections Connections Connection Height Diameter

This relief valve is not adjustable.

The relief valve on the H-14 (P/N 11P31)

30 - 60 (2.1 - 4.1)

14 - 1/2”

(368mm)

3 ”

(76mm)

30 to 60

The H-16 (0558009235) is equipped with a relief

valve factory preset to relieve at 20 psig provid-

ing an operating pressure range of 8 to 15 psig.

This relief valve is not adjustable.

H-16

0558009235

Fuel Gas*

300 (20.7)

8 - 15 (0.55 - 1.0)

Fig. 1 – INSTALLATION SKETCH

0.5

1.5

2.5

0 50 100 150 200 250 300

Flow CFH

Pressure

Drop

PSIG

30 LB. GAUGE

1/4” N.P.T. PIPE

COUPLING

CONNECTION — 3390

1/4-IN. FUEL GAS

HOSE WITH

STANDARD FITTINGS;

LENGTH AS DESIRED

Fig. 3 – TEST GAUGE HOOK-UP

Before taking any action to repair, adjust or disas-

semble the H-14 or H-16 be sure you have closed

the station shuto valve in the supply line and

relieved all pressure.

F-9615-H 07 / 2009 Printed in U.S.A.

11P63 (H14, P/N 11P31)

11P63 (H16, P/N 0558009235)

ESAB H-14 & H-16 Back-Pressure Check Valves Troubleshooting instruction

Brand: ESAB

Model: H-14 & H-16 Back-Pressure Check Valves

Type: Troubleshooting instruction

This manual is also suitable for

OXWELD® H-14 & H-16 Back-Pressure Check Valves

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ESAB H-14 & H-16 Back-Pressure Check Valves Troubleshooting instruction

This manual is also suitable for

ESAB H-14 & H-16 Back-Pressure Check Valves Troubleshooting instruction

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