- IN-LINE CHECK VALVES FOR GAS SERVICE

Superpressure Machine
Superpressure

IN-LINE CHECK VALVES FOR GAS SERVICE

 

The 20,000 and 60,000 psi Check Valves are equipped with primary metallic seals and secondary O-ring seals. The 30,000 psi check valves poppet-type are available in two varieties. One type is a hard seat valve with a lapped metallic mating service which is useful for

oxygen service

where

ultrapure

cleaning is required (these valves are not leakage tight). The second type is a soft seat valve which has a nylon seat and is useful for applications wehre oxygen service and ultrapure cleaning are not required but, where

leak free

service is needed. The bodies and closure nuts for the check valves are made of 316 stainless steel. The resilient seals for the 20,000 and 60,000 psi valves are made of fluorolasotmer. All valves are furnished with the necessary gland nuts and sleeves of 416 stainless steel.

20,000 PSI IN-LINE CHECK VALVES

A-B* PORT CATALOG NUMBER
9/16 HP 5/16 44-11398

30,000 PSI IN-LINE CHECK VALVES

TUBING SIZE *

PORT

A

B

C
(HEX)

D
(HEX)

HARD SEAT CATALOG NUMBER+

SOFT SEAT CATALOG NUMBER++

1/4 HP

3/64

2

3 5/16

13/16

1

44-13138

44-13139

3/8 HP

3/64

2

3 1/8

1

1

44-13158

44-13159

9/16 HP

3/64

2 1/2

4 1/8

1 1/2

1 1/2

44-13178

44-13179

+ For oxygen service or where valves require ultra-pure cleaning; where leakage must be tolerated, since these valves are not leak-tight.
++ For Service other than oxygen or where ultra-pure cleaning is not required; these valves are leak-tight.

60,000 PSI IN-LINE CHECK VALVES

A-B* PORT CATALOG NUMBER
1/4 HP 1/8 44-16380
3/8 HP 1/8 44-16381
9/16 HP 1/8 44-16382

 

See UNION-TYPE SUPERPRESSURE CONNECTOR DIMENSIONS for details of openings.

SPECIFICATIONS AND ORDER INFORMATION

Catalog Number Product Name Product Description Add To Cart
44-1139820,000 PSI In-Line Check Valve for Gas Service9/16 HP Soft Seat  Add To Cart
44-1313830,000 PSI In-Line Check Valve for Gas Service1/4 HP Hard Seat  Add To Cart
44-1313930,000 PSI In-Line Check Valve for Gas Service1/4 HP Soft Seat  Add To Cart
44-1315830,000 PSI In-Line Check Valve for Gas Service3/8 HP Hard Seat  Add To Cart
44-1315930,000 PSI In-Line Check Valve for Gas Service3/8 HP Soft Seat  Add To Cart
44-1317830,000 PSI In-Line Check Valve for Gas Service9/16 HP Hard Seat  Add To Cart
44-1317930,000 PSI In-Line Check Valve for Gas Service9/16 HP Soft Seat  Add To Cart
44-1638060,000 PSI In-Line Check Valve for Gas Service1/4 HP Check Valve  Add To Cart
44-1638160,000 PSI In-Line Check Valve for Gas Service3/8 HP Check Valve  Add To Cart
44-1638260,000 PSI In-Line Check Valve for Gas Service9/16 HP Check Valve  Add To Cart