Circle Valve Technologies Inc.
307 Derstine Ave, Suite 204
Lansdale, PA 19446

Toll Free:800-645-6733
Phone: 267-933-6300
Fax: 267-933-6305
Email: [email protected]
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Features
  • Designed for high pressure service
  • Resilient O-ring
  • Single piece design
Benefits
  • Less susceptible to contamination damage
  • Zero leakage at normal back pressure
  • Automatic compensation for wear
  • Cushioned, quiet closing
2300 series csc check valve display image
Unit of Measure
1 2 3 4 5 

Item #

Body Material

O-Ring Material

Connection Size

End Connections (Inlet/Outlet)

Cracking Pressure

Operating Temperature

Cv

2359B-3PP N/A Brass N/A Buna N N/A 3/8 in N/A Female / Female NPT N/A 0.5 to 1.5 psig N/A -65 to 275 ºF N/A 1.78
2359B-3MP N/A Brass N/A Buna N N/A 3/8 in N/A Male / Female NPT N/A 0.5 to 1.5 psig N/A -65 to 275 ºF N/A 1.78
2349B-4PP N/A Brass N/A Buna N N/A 1/2 in N/A Female / Female NPT N/A 2 to 5 psig N/A -65 to 250 ºF N/A 2.82
2359B-4PP N/A Brass N/A Buna N N/A 1/2 in N/A Female / Female NPT N/A 0.5 to 1.5 psig N/A -65 to 275 ºF N/A 2.82
2349B-6PP N/A Brass N/A Buna N N/A 3/4 in N/A Female / Female NPT N/A 2 to 5 psig N/A -65 to 250 ºF N/A 5.11
2359B-6PP N/A Brass N/A Buna N N/A 3/4 in N/A Female / Female NPT N/A 0.5 to 1.5 psig N/A -65 to 275 ºF N/A 5.11
2320B-1PP N/A Brass N/A Teflon® N/A 1/8 in N/A Female / Female NPT N/A 5 psig N/A -100 to 400 ºF N/A 0.31
2320B-1MP N/A Brass N/A Teflon® N/A 1/8 in N/A Male / Female NPT N/A 5 psig N/A -100 to 400 ºF N/A 0.31
2320B-2PP N/A Brass N/A Teflon® N/A 1/4 in N/A Female / Female NPT N/A 5 psig N/A -100 to 400 ºF N/A 0.76
2320B-2MM N/A Brass N/A Teflon® N/A 1/4 in N/A Male / Male NPT N/A 5 psig N/A -100 to 400 ºF N/A 0.76
2320B-2MP N/A Brass N/A Teflon® N/A 1/4 in N/A Male / Female NPT N/A 5 psig N/A -100 to 400 ºF N/A 0.76
2320B-2PM N/A Brass N/A Teflon® N/A 1/4 in N/A Female / Male NPT N/A 5 psig N/A -100 to 400 ºF N/A 0.76
2320B-3PP N/A Brass N/A Teflon® N/A 3/8 in N/A Female / Female NPT N/A 5 psig N/A -100 to 400 ºF N/A 1.78
2320B-3MP N/A Brass N/A Teflon® N/A 3/8 in N/A Male / Female NPT N/A 5 psig N/A -100 to 400 ºF N/A 1.78
2320B-4PP N/A Brass N/A Teflon® N/A 1/2 in N/A Female / Female NPT N/A 5 psig N/A -100 to 400 ºF N/A 2.82
2320B-6PP N/A Brass N/A Teflon® N/A 3/4 in N/A Female / Female NPT N/A 5 psig N/A -100 to 400 ºF N/A 5.11
2333B-1PP N/A Brass N/A Neoprene N/A 1/8 in N/A Female / Female NPT N/A 2 to 5 psig N/A -40 to 240 ºF N/A 0.31
2333B-1MP N/A Brass N/A Neoprene N/A 1/8 in N/A Male / Female NPT N/A 2 to 5 psig N/A -40 to 240 ºF N/A 0.31
2333B-2PP N/A Brass N/A Neoprene N/A 1/4 in N/A Female / Female NPT N/A 2 to 5 psig N/A -40 to 240 ºF N/A 0.76
2333B-2MM N/A Brass N/A Neoprene N/A 1/4 in N/A Male / Male NPT N/A 2 to 5 psig N/A -40 to 240 ºF N/A 0.76
2333B-2MP N/A Brass N/A Neoprene N/A 1/4 in N/A Male / Female NPT N/A 2 to 5 psig N/A -40 to 240 ºF N/A 0.76
2333B-2PM N/A Brass N/A Neoprene N/A 1/4 in N/A Female / Male NPT N/A 2 to 5 psig N/A -40 to 240 ºF N/A 0.76
2333B-3PP N/A Brass N/A Neoprene N/A 3/8 in N/A Female / Female NPT N/A 2 to 5 psig N/A -40 to 240 ºF N/A 1.78
2333B-3MP N/A Brass N/A Neoprene N/A 3/8 in N/A Male / Female NPT N/A 2 to 5 psig N/A -40 to 240 ºF N/A 1.78
2333B-4PP N/A Brass N/A Neoprene N/A 1/2 in N/A Female / Female NPT N/A 2 to 5 psig N/A -40 to 240 ºF N/A 2.82
Unit of Measure
1 2 3 4 5