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Unit of Measure

Items	P238-180 Circle Seal 1/2" Brass Check Valve Add To Cart Request Quote	P20-485 Circle Seal 1/4" Brass Relief Valve Add To Cart Request Quote
Type	N/A Check Valve	N/A Relief Valve
Series	N/A 200	N/A 5100
Body Style	N/A In-Line
Body Material	N/A Brass
Connection Size 1	N/A 1/2 in	N/A 1/4 in
Connection Type 1	N/A Female NPT
Connection Size 2	N/A 1/2 in	N/A 1/4 in
Connection Type 2	N/A Female NPT	N/A Male NPT
Operating Pressure	N/A 0 to 3000 bar	N/A 0 to 400 psig
Cracking Pressure	N/A 2 to 4 psig	N/A 235 psig
Operating Temperature	N/A -100 to 400 ºF	N/A 0 to 120 ºF
Seat Material	N/A Teflon®	N/A Buna N
Seal Material	N/A Teflon®
Flow Coefficient (Cv)	N/A 6.6	N/A
Max. Operating Pressure	N/A 3000 psig	N/A 400 psig
Special Characteristics	N/A Oxygen Clean	N/A
Manufacturer	N/A Circle Seal Controls

Check Valves

Relief Valves

Vacuum & High Purity Fittings

Circle Seal Solenoid Valves

Jefferson Solenoid Valves

Atkomatic Solenoid Valves

GO Regulator

Cryogenic Valves & Equipment

Hoke Valves

Gyrolok^® Tube Fittings

Circle Seal Control Valves

Measurement Devices

Additional Products

200 Series Check Valves 0 to 3000 psig

H200 Series High Pressure Check Valves 0 to 6000 psig

2200 Series Check Valves 0 to 800 psig

2300 Series Check Valves 0 to 10000 psig

C200 Series Cartridge Check Valve 0 to 5000 psig

C2900 Series Cartridge Check Valve 0 to 3000 psig

Bivco Check Valve 0 to 120 psig

100 Series Check Valves 0 to 25 psigs

Rockwood Swendeman Relief Valves

500 Series Relief Valves 0.5 to 150 psig

HP500 Series Relief Valves 150 to 575 psig

5100 Series Relief Valves 10 to 2400 psig

D500 Series ASME Safety Relief Valves 15 to 150 psig

M5100 Series ASME Relief Valves 20 to 1200 psig

5300 Series Relief Valves 400 to 10500 psig

R6000 Series Right Angle Relief Valves 5 to 6000 psig

Face Seal Connectors

Welded Face Seal Assemblies

Face Seal Gaskets, Nuts, Caps & Plugs

Face Seal Unions & Elbows

Face Seal Glands

Mini Weld Fittings

O-Ring Face Seal Fittings

L-Ring Face Seal Fittings

Face Seal Fittings

SV10-SV30 Series Solenoid Valves

SV400 Series Solenoid Valves

1314 Series 2-Way Solenoid Valves

1327 Series 2-Way Solenoid Valves

1335 Series 2-Way Solenoid Valves

1342 Series 2-Way Solenoid Valves

1390 Series 2-Way Solenoid Valves

1393 Series 2-Way Solenoid Valves

2026 Series 2-Way Solenoid Valves

2036 Series 2 Way Solenoid Valves

2094 Series 2-Way Solenoid Valves

15400 Series Solenoid Valves

15800 Series Solenoid Valves

30400 Series Solenoid Valves

30800 Series Solenoid Valves

1000 Series Solenoid Valves

4000/5000 Series Solenoid Valves

8000 Series Solenoid Valves

JJ Series Solenoid Valves

HS Series Solenoid Valves

6000 Series Solenoid Valves

Single Stage Pressure Regulators

Cylinder Regulators

Back Pressure Regulators

Vaporizing Regulators

Cryogenic Vacuum Jacketed Valves

Cryogenic Non-Jacketed Valves

CPC Cryogenic Valves

Vacuum Seal Off Valves & Operators

Rockwood Swendeman Relief Valves

Spare Parts, Kits and Assemblies

Bayonet Connections

Industrial Ball Valves

Metering Valves

Packless Valves

Check & Relief Valves

Tube to Male Thread

Tube to Female Thread

Tube to Tube Union

Tube to 37?? Flare

Tube Stub Connectors/Adapters

Specific Applications

Tools & Accessories

900 Series Shutoff Valve 0 to 6,000 psig

9200 Series Vacuum to 150 psig Plug Shutoff Valves

9300 Series Vacuum to 150 psig Plug Valves 3-way Selector

9400 Series 0 to 3,000 psig Miniature Shutoff Valve

9500 Series 0 to 3,000 psig Shutoff Valve

400 Series Shuttle Valves 0 to 3000 PSI

Pressure Gauges

Pressure & Level Transmitters & Transducers

Temperature Measurement

Force Measurement

Precision Pipe Fittings

Instrumentation Quick Couplings

Specialty Valves

Formed Sampling Cylinders

Spun Sampling Cylinders

Solenoid Valves

Atkomatic Solenoid Valves

Circle Seal Controls

Cryogenic Valves and Equipment

1533 Gehman Road Harleysville, PA 19438 Phone: 267-933-6300 Fax: 267-933-6305 Toll Free: 800-645-6733 Email: [email protected]
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