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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The PR-5 Series pressure regulator is designed for service at high flows with good sensitivity and regulation. While the design was originated for gas systems, this valve is perfectly suitable for liquid systems that are compatible with the materials of construction. The PR-5 also performs well with jest a few liters per minute of flow.

This series is a variation of the time proven PR-1 Series which has been used for many applications in systems requiring stainless steel construction. The exact package size of the PR-1 has been retained making it convenient for the user to interchange these units if better control at high flow rates is required.

Features & Specifications
  • High flow capability in compact size
  • Minimum droop with large flow increases
  • Bubble-tight shutoff
  • Stainless steel cap & adjusting screw provided with stainless steel unit
  • Materials of construction: stainless steel, brass, Teflon®, Viton®, Kalrez®, Buna N, or EPR
  • 20 micron inlet filter
  • Operating temperatures up to +400º F (+204º C)
  • Ideal for line regulator applications
  • Teflon®/Viton® diaphragm standard up to 50 psig
  • Inlet pressure 300 psig
  • Adjustable outlet ranges 0 - 10, 0 - 25, 0 - 50, 0 - 100, & 0 - 250 psig
  • Cv flow coefficient 0.20
Go Regulator Single Stage PR-5-Series
Unit of Measure
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Item #

Body Material

Seat Material

Max. Operating Pressure

Operating Temperature

Outlet Range

Cv

PR5-1A11D5C111 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 10 psig N/A 0.20
PR5-1A11D5C114 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 10 psig N/A 0.20
PR5-1A11D5C115 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 10 psig N/A 0.20
PR5-1A11D5D111 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 25 psig N/A 0.20
PR5-1A11D5D114 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 25 psig N/A 0.20
PR5-1A11D5D115 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 25 psig N/A 0.20
PR5-1A11D5E111 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 50 psig N/A 0.20
PR5-1A11D5E114 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 50 psig N/A 0.20
PR5-1A11D5E115 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 50 psig N/A 0.20
PR5-1A11D5G111 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 100 psig N/A 0.20
PR5-1A11D5G114 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 100 psig N/A 0.20
PR5-1A11D5G115 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 100 psig N/A 0.20
PR5-1A11D5I111 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 250 psig N/A 0.20
PR5-1A11D5I114 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 250 psig N/A 0.20
PR5-1A11D5I115 N/A 316L Stainless Steel N/A Viton®
N/A 300 psig N/A -40 to 204 ºC-40 to 400 ºF N/A 0 to 250 psig N/A 0.20
PR5-1A11E5C111 N/A 316L Stainless Steel N/A EPR N/A 300 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 10 psig N/A 0.20
PR5-1A11E5C114 N/A 316L Stainless Steel N/A EPR N/A 300 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 10 psig N/A 0.20
PR5-1A11E5C115 N/A 316L Stainless Steel N/A EPR N/A 300 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 10 psig N/A 0.20
PR5-1A11E5D111 N/A 316L Stainless Steel N/A EPR N/A 300 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 25 psig N/A 0.20
PR5-1A11E5D114 N/A 316L Stainless Steel N/A EPR N/A 300 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 25 psig N/A 0.20
PR5-1A11E5D115 N/A 316L Stainless Steel N/A EPR N/A 300 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 25 psig N/A 0.20
PR5-1A11E5E111 N/A 316L Stainless Steel N/A EPR N/A 300 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 50 psig N/A 0.20
PR5-1A11E5E114 N/A 316L Stainless Steel N/A EPR N/A 300 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 50 psig N/A 0.20
PR5-1A11E5E115 N/A 316L Stainless Steel N/A EPR N/A 300 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 50 psig N/A 0.20
PR5-1A11E5G111 N/A 316L Stainless Steel N/A EPR N/A 300 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 100 psig N/A 0.20
Unit of Measure
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