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

265T1-12PP N/A 316 Stainless Steel N/A Kalrez® N/A 1 1/2 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 550 ºF N/A 23.2
265T1-16PP N/A 316 Stainless Steel N/A Kalrez® N/A 2 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 550 ºF N/A 51.0
265T1-10PP N/A 316 Stainless Steel N/A Kalrez® N/A 1 1/4 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 550 ºF N/A 23.2
265T1-12PP N/A 316 Stainless Steel N/A Kalrez® N/A 1 1/2 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 550 ºF N/A 23.2
265T1-16PP N/A 316 Stainless Steel N/A Kalrez® N/A 2 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 550 ºF N/A 51.0
265T1-1PP N/A 316 Stainless Steel N/A Kalrez® N/A 1/8 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 550 ºF N/A 1.60
265T1-2PP N/A 316 Stainless Steel N/A Kalrez® N/A 1/4 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 550 ºF N/A 2.70
265T1-3PP N/A 316 Stainless Steel N/A Kalrez® N/A 3/8 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 550 ºF N/A 3.50
265T1-4PP N/A 316 Stainless Steel N/A Kalrez® N/A 1/2 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 550 ºF N/A 6.6
265T1-6PP N/A 316 Stainless Steel N/A Kalrez® N/A 3/4 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 550 ºF N/A 10.3
265T1-8PP N/A 316 Stainless Steel N/A Kalrez® N/A 1 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 550 ºF N/A 12.5
280T-1PP N/A 303 Stainless Steel N/A Teflon® N/A 1/8 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 1.60
280T-2PP N/A 303 Stainless Steel N/A Teflon® N/A 1/4 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 2.70
280T-3PP N/A 303 Stainless Steel N/A Teflon® N/A 3/8 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 3.50
280T-4PP N/A 303 Stainless Steel N/A Teflon® N/A 1/2 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 6.6
280T-6PP N/A 303 Stainless Steel N/A Teflon® N/A 3/4 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 10.3
280T-8PP N/A 303 Stainless Steel N/A Teflon® N/A 1 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 12.5
280T1-1PP N/A 316 Stainless Steel N/A Teflon® N/A 1/8 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 1.60
280T1-2PP N/A 316 Stainless Steel N/A Teflon® N/A 1/4 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 2.70
280T1-3PP N/A 316 Stainless Steel N/A Teflon® N/A 3/8 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 3.50
280T1-4PP N/A 316 Stainless Steel N/A Teflon® N/A 1/2 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 6.6
280T1-6PP N/A 316 Stainless Steel N/A Teflon® N/A 3/4 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 10.3
280T1-8PP N/A 316 Stainless Steel N/A Teflon® N/A 1 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 12.5
280T1-10PP N/A 316 Stainless Steel N/A Teflon® N/A 1 1/4 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 23.2
280T1-12PP N/A 316 Stainless Steel N/A Teflon® N/A 1 1/2 in N/A Female NPT N/A up to 8 psig N/A -320 to 165 ºF N/A 23.2
Unit of Measure
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