Circle Valve Technologies Inc.
1533 Gehman Road
Harleysville, PA 19438

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

232T-2PP-2 N/A 303 Stainless Steel N/A Viton® N/A 1/4 in N/A Female NPT N/A 2 psig N/A -20 to 400 ºF N/A 2.70
232T-4PP-7 N/A 303 Stainless Steel N/A Viton® N/A 1/2 in N/A Female NPT N/A 7 psig N/A -20 to 400 ºF N/A 6.6
232T-6PP-0.15 N/A 303 Stainless Steel N/A Viton® N/A 3/4 in N/A Female NPT N/A 0.15 psig N/A -20 to 400 ºF N/A 10.3
232T-8PP-0.15 N/A 303 Stainless Steel N/A Viton® N/A 1 in N/A Female NPT N/A 0.15 psig N/A -20 to 400 ºF N/A 12.5
249T-1PP N/A 303 Stainless Steel 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
259T-1PP N/A 303 Stainless Steel 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
249T-2PP N/A 303 Stainless Steel 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
259T-2PP N/A 303 Stainless Steel 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
249T-3PP N/A 303 Stainless Steel N/A Buna N N/A 3/8 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 250 ºF N/A 3.50
259T-3PP N/A 303 Stainless Steel N/A Buna N N/A 3/8 in N/A Female NPT N/A 0.5 to 1 psig N/A -65 to 275 ºF N/A 3.50
249T-4PP N/A 303 Stainless Steel 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
259T-4PP N/A 303 Stainless Steel 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
249T-6PP N/A 303 Stainless Steel 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
259T-6PP N/A 303 Stainless Steel 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
249T-8PP N/A 303 Stainless Steel N/A Buna N N/A 1 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 250 ºF N/A 12.5
259T-8PP N/A 303 Stainless Steel N/A Buna N N/A 1 in N/A Female NPT N/A 0.5 to 1 psig N/A -65 to 275 ºF N/A 12.5
259T-3PP-0.15 N/A 303 Stainless Steel N/A Buna N N/A 3/8 in N/A Female NPT N/A 0.15 psig N/A -65 to 275 ºF N/A 3.50
259T-4PP-0.15 N/A 303 Stainless Steel N/A Buna N N/A 1/2 in N/A Female NPT N/A 0.15 psig N/A -65 to 275 ºF N/A 6.6
259T-8PP-0.15 N/A 303 Stainless Steel N/A Buna N N/A 1 in N/A Female NPT N/A 0.15 psig N/A -65 to 275 ºF N/A 12.5
259T-8PP-0.5 N/A 303 Stainless Steel N/A Buna N N/A 1 in N/A Female NPT N/A 0.5 psig N/A -65 to 275 ºF N/A 12.5
220T-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 -100 to 400 ºF N/A 1.60
220T-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 -100 to 400 ºF N/A 2.70
220T-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 -100 to 400 ºF N/A 3.50
220T-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 -100 to 400 ºF N/A 6.6
220T-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 -100 to 400 ºF N/A 10.3
Unit of Measure
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