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
  • Zero leakage up to 95% of cracking pressure
  • No chatter or squeal
  • Positive reseal at a high percentage of cracking pressure
  • No pressure rise with increasing flow
  • Externally adjustable
  • PED certifications and CE marking available for most models
5300 Series Relief Valve
Unit of Measure
1 2 

Item #

Body Material

O-Ring Material

Valve Size

End Connections (Inlet/Outlet)

Cracking Pressure

Operating Temperature

Style

B5332B-4PP N/A Brass N/A Viton® N/A 1/2 in N/A Female NPT N/A 10 to 10500 psig N/A -20 to 350 ºF N/A
B5349B-2PP N/A Brass N/A Buna N N/A 1/4 in N/A Female NPT N/A 10 to 10500 psig N/A -65 to 250 ºF N/A
B5349B-4PP N/A Brass N/A Buna N N/A 1/2 in N/A Female NPT N/A 10 to 10500 psig N/A -65 to 250 ºF N/A
B5333B-2PP N/A Brass N/A Neoprene N/A 1/4 in N/A Female NPT N/A 10 to 10500 psig N/A -20 to 240 ºF N/A
B5333B-4PP N/A Brass N/A Neoprene N/A 1/2 in N/A Female NPT N/A 10 to 10500 psig N/A -20 to 240 ºF N/A
B5332T-2PP N/A 303 Stainless Steel N/A Viton® N/A 1/4 in N/A Female NPT N/A 10 to 10500 psig N/A -20 to 350 ºF N/A
B5332T-4PP N/A 303 Stainless Steel N/A Viton® N/A 1/2 in N/A Female NPT N/A 10 to 10500 psig N/A -20 to 350 ºF N/A
B5349T-2PP N/A 303 Stainless Steel N/A Buna N N/A 1/4 in N/A Female NPT N/A 10 to 10500 psig N/A -65 to 250 ºF N/A
B5349T-4PP N/A 303 Stainless Steel N/A Buna N N/A 1/2 in N/A Female NPT N/A 10 to 10500 psig N/A -65 to 250 ºF N/A
B5333T-2PP N/A 303 Stainless Steel N/A Neoprene N/A 1/4 in N/A Female NPT N/A 10 to 10500 psig N/A -20 to 240 ºF N/A
B5333T-4PP N/A 303 Stainless Steel N/A Neoprene N/A 1/2 in N/A Female NPT N/A 10 to 10500 psig N/A -20 to 240 ºF N/A
Unit of Measure
1 2