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 & Benefits
  • Quick opening/positive closing
    Provides a wide range of adaptability
  • Large flow capacity
    The patented sealing principle effects complete leakproof closing under all pressure conditions
  • Zero leakage
    Compact, easy installation. Efficient inline piston reduces size and weight
  • Floating o-ring
    The streamlined poppet and full ports offer minimum restrictions.
Circle Seal Check Valve 200 Series
Unit of Measure
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Item #

Body Material

O-Ring Material

Connection Size

End Connections (Inlet/Outlet)

Cracking Pressure

Operating Temperature

Cv

262S-3PP N/A Carbon Steel N/A Ethylene Propylene N/A 3/8 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 300 ºF N/A 3.50
262S-4PP N/A Carbon Steel N/A Ethylene Propylene N/A 1/2 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 300 ºF N/A 6.6
262S-6PP N/A Carbon Steel N/A Ethylene Propylene N/A 3/4 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 300 ºF N/A 10.3
262S-8PP N/A Carbon Steel N/A Ethylene Propylene N/A 1 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 300 ºF N/A 12.5
262S-10PP N/A Carbon Steel N/A Ethylene Propylene N/A 1 1/4 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 300 ºF N/A 23.2
262S-12PP N/A Carbon Steel N/A Ethylene Propylene N/A 1 1/2 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 300 ºF N/A 23.2
262S-16PP N/A Carbon Steel N/A Ethylene Propylene N/A 2 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 300 ºF N/A 51.0
232A-1PP N/A Aluminum N/A Viton® N/A 1/8 in N/A Female NPT N/A 0.5 to 1 psig N/A -20 to 400 ºF N/A 1.60
232A-2PP N/A Aluminum N/A Viton® N/A 1/4 in N/A Female NPT N/A 0.5 to 1 psig N/A -20 to 400 ºF N/A 2.70
232A-4PP N/A Aluminum N/A Viton® N/A 1/2 in N/A Female NPT N/A 0.5 to 1 psig N/A -20 to 400 ºF N/A 6.6
232A-6PP N/A Aluminum N/A Viton® N/A 3/4 in N/A Female NPT N/A 0.5 to 1 psig N/A -20 to 400 ºF N/A 10.3
249A-1PP N/A Aluminum N/A Buna N N/A 1/8 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 250 ºF N/A 1.60
259A-1PP N/A Aluminum N/A Buna N N/A 1/8 in N/A Female NPT N/A 0.5 to 1 psig N/A -65 to 275 ºF N/A 1.60
249A-2PP N/A Aluminum N/A Buna N N/A 1/4 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 250 ºF N/A 2.70
259A-2PP N/A Aluminum N/A Buna N N/A 1/4 in N/A Female NPT N/A 0.5 to 1 psig N/A -65 to 275 ºF N/A 2.70
249A-4PP N/A Aluminum N/A Buna N N/A 1/2 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 250 ºF N/A 6.6
259A-4PP N/A Aluminum N/A Buna N N/A 1/2 in N/A Female NPT N/A 0.5 to 1 psig N/A -65 to 275 ºF N/A 6.6
249A-6PP N/A Aluminum N/A Buna N N/A 3/4 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 250 ºF N/A 10.3
259A-6PP N/A Aluminum N/A Buna N N/A 3/4 in N/A Female NPT N/A 0.5 to 1 psig N/A -65 to 275 ºF N/A 10.3
220A-1PP N/A Aluminum N/A Teflon® N/A 1/8 in N/A Female NPT N/A up to 8 psig N/A -100 to 400 ºF N/A 1.60
220A-2PP N/A Aluminum N/A Teflon® N/A 1/4 in N/A Female NPT N/A up to 8 psig N/A -100 to 400 ºF N/A 2.70
220A-4PP N/A Aluminum N/A Teflon® N/A 1/2 in N/A Female NPT N/A up to 8 psig N/A -100 to 400 ºF N/A 6.6
220A-6PP N/A Aluminum N/A Teflon® N/A 3/4 in N/A Female NPT N/A up to 8 psig N/A -100 to 400 ºF N/A 10.3
233A-1PP N/A Aluminum N/A Neoprene N/A 1/8 in N/A Female NPT N/A 2 to 4 psig N/A -40 to 300 ºF N/A 1.60
253A-1PP N/A Aluminum N/A Neoprene N/A 1/8 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 250 ºF N/A 1.60
Unit of Measure
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