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

253B-6PP N/A Brass N/A Neoprene N/A 3/4 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 250 ºF N/A 10.3
233B-8PP N/A Brass N/A Neoprene N/A 1 in N/A Female NPT N/A 2 to 4 psig N/A -40 to 300 ºF N/A 12.5
253B-8PP N/A Brass N/A Neoprene N/A 1 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 250 ºF N/A 12.5
233B-10PP N/A Brass N/A Neoprene N/A 1 1/4 in N/A Female NPT N/A 2 to 4 psig N/A -40 to 300 ºF N/A 23.2
253B-10PP N/A Brass N/A Neoprene N/A 1 1/4 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 250 ºF N/A 23.2
233B-12PP N/A Brass N/A Neoprene N/A 1 1/2 in N/A Female NPT N/A 2 to 4 psig N/A -40 to 300 ºF N/A 23.2
253B-12PP N/A Brass N/A Neoprene N/A 1 1/2 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 250 ºF N/A 23.2
233B-16PP N/A Brass N/A Neoprene N/A 2 in N/A Female NPT N/A 2 to 4 psig N/A -40 to 300 ºF N/A 51.0
253B-16PP N/A Brass N/A Neoprene N/A 2 in N/A Female NPT N/A 0.5 to 1 psig N/A -40 to 250 ºF N/A 51.0
262B-1PP N/A Brass N/A Ethylene Propylene N/A 1/8 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 300 ºF N/A 1.60
262B-2PP N/A Brass N/A Ethylene Propylene N/A 1/4 in N/A Female NPT N/A 2 to 4 psig N/A -65 to 300 ºF N/A 2.70
262B-2PP-0.15 N/A Brass N/A Ethylene Propylene N/A 1/4 in N/A Female NPT N/A 0.15 psig N/A -65 to 300 ºF N/A 2.70
262B-3PP N/A Brass 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
262B-4PP N/A Brass 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
262B-6PP N/A Brass 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
262B-8PP N/A Brass 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
262B-10PP N/A Brass 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
262B-12PP N/A Brass 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
262B-16PP N/A Brass 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
232T-1PP N/A 303 Stainless Steel 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
232T-2PP N/A 303 Stainless Steel 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
232T-3PP N/A 303 Stainless Steel N/A Viton® N/A 3/8 in N/A Female NPT N/A 0.5 to 1 psig N/A -20 to 400 ºF N/A 3.50
232T-4PP N/A 303 Stainless Steel 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
232T-6PP N/A 303 Stainless Steel 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
232T-8PP N/A 303 Stainless Steel N/A Viton® N/A 1 in N/A Female NPT N/A 0.5 to 1 psig N/A -20 to 400 ºF N/A 12.5
Unit of Measure
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