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
  • Very accurate cracking pressure
  • Zero leakage up to 95% of cracking pressure
  • 100% seat leakage tested
  • Tamper-proof adjustment
  • PED certifications and CE marking available for most models
Proper filtration is recommended to prevent damage to sealing surfaces.
Unit of Measure

Specifications

Series

 N/A HP500

Body Material

 N/A Brass

O-Ring Material

 N/A Buna N

Valve Size

 N/A 1/4 in

End Connections (Inlet/Outlet)

 N/A Popoff male pipe

Operating Pressure

 N/A 150 to 575 psig10 to 40 bar

Cracking Pressure

 N/A 150 to 575 psig

Cracking Pressure Tolerance

 N/A ±5%

Operating Temperature

 N/A -65 to 275 ºF

Spring Material

 N/A 17-7 PH Stainless Steel

Dim. A

 N/A 1.17 in

Hex

 N/A 5/8 in

Weight

 N/A .06 lbs

Optional Body Material

 N/A 316 Stainless Steel Brass

Optional End Connections

 N/A 1/4" Male BSPT x 1/4" Female BSPT M - Male NPT

Applications

N/A

  • System overpressure protection
  • Storage tanks
  • Freon® recovery systems
  • Medical equipment
  • Refrigeration & heating equipment
  • Measuring & dispensing pumps
  • Communications equipment
  • Process control instruments
  • R & D pilot plants

Leakage

N/A Leakage: Ascending pressure 0 up to 95% of cracking pressure

Reseal pressure: 90% of cracking pressure

Leakage at Reseal pressure: Zero

Safety

N/A For Your Safety
It is solely the responsibility of the system designer and user to select products suitable for their specific application requirements and to ensure proper installation, operation, and maintenance of these products. Material compatibility, product ratings and application details should be considered in the selection. Improper selection or use of products described herein can cause personal injury or property damage.