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-50 series pressure regulator is designed to meet the demands for outlet pressures up to 3000 psig while maintaining superior corrosion protection.
For reliability in operation, this precision regulator features a stainless steel body (optional brass) which provides maximum corrosion resistance and safety. The optional self-relieving feature provides an additional level in operational ease, as it allows for trapped downstream pressure to be safely vented to atmosphere through the bonnet. To prolong regular life, this unit is supplied with an integral inlet filter which protects the seat against any foreign contamination introduced by the upstream supply.

Features & Specifications
  • Gas or liquid service
  • Inlet pressure to 6000 psig
  • Outlet pressure ranges 0 - 500, 0 - 1000, and 0 - 2000 psig
  • 316L stainless steel or brass (alloy 360) construction
  • 20 micron inlet filter
  • Bubble-tight shutoff
  • Diaphragm material standard stainless steel, nylon or Teflon®
  • Flow coefficients (Cv) of 0.025, 0.06, and 0.20
Go Regulator PR-50 Series
Unit of Measure
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Item #

Body Material

Seat Material

Max. Operating Pressure

Operating Temperature

Outlet Range

Cv

PR50-4A11HCL11F N/A Monel®
N/A PCTFE (formerly Kel-F® 81) N/A 6000 psig N/A -40 to 80 ºC-40 to 175 ºF N/A 0 to 2000 psig N/A 0.025
PR50-4A11I3J111 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 500 psig N/A 0.06
PR50-4A11I3J114 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 500 psig N/A 0.06
PR50-4A11I3J11F N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 500 psig N/A 0.06
PR50-4A11I3K111 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 1000 psig N/A 0.06
PR50-4A11I3K114 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 1000 psig N/A 0.06
PR50-4A11I3K11F N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 1000 psig N/A 0.06
PR50-4A11I3L111 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 2000 psig N/A 0.06
PR50-4A11I3L114 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 2000 psig N/A 0.06
PR50-4A11I3L11F N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 2000 psig N/A 0.06
PR50-4A11I5J111 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 500 psig N/A 0.20
PR50-4A11I5J114 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 500 psig N/A 0.20
PR50-4A11I5J11F N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 500 psig N/A 0.20
PR50-4A11I5K111 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 1000 psig N/A 0.20
PR50-4A11I5K114 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 1000 psig N/A 0.20
PR50-4A11I5K11F N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 1000 psig N/A 0.20
PR50-4A11I5L111 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 2000 psig N/A 0.20
PR50-4A11I5L114 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 2000 psig N/A 0.20
PR50-4A11I5L11F N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 2000 psig N/A 0.20
PR50-4A11ICJ111 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 500 psig N/A 0.025
PR50-4A11ICJ114 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 500 psig N/A 0.025
PR50-4A11ICJ11F N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 500 psig N/A 0.025
PR50-4A11ICK111 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 1000 psig N/A 0.025
PR50-4A11ICK114 N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 1000 psig N/A 0.025
PR50-4A11ICK11F N/A Monel®
N/A High density Teflon®
N/A 3600 psig N/A -40 to 66 ºC-40 to 150 ºF N/A 0 to 1000 psig N/A 0.025
Unit of Measure
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