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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Available in low, medium, high and extra high pressure models, R6000 right angle relief valves provide users with high accuracy and consistency of cracking and reseat pressures. Furthermore, narrow pressure ranges (cracking pressures) for each model can be factory pre-set according to customer specifications. PED certification and CE marking are standard for all models. All R6000 relief valves are offered with multiple end connections to ensure application versatility.

Low Pressure (5 - 550 psig)
Back pressure affects cracking pressure on low pressure version

Zero friction poppets
  • Increases accuracy of cracking pressure and reseat pressure.
  • Improves consistency of cracking pressure and reseat pressure.

    Encapsulated Seat Seal
  • Maintains small contact surface area.
  • Protects seat from erosion due to flow.

    Raised seal lip on poppet minimizes contact with seat, eliminating friction and preventing overstressing of the O-ring
    6 pressure spring ranges improve accuracy
    Caps and bonnets are pre-drilled for lockwire
    Multiple end connections available
    • Unit of Measure

    Specifications

    Series

    		 N/A HR6000
    Seal Material1 N/A Ethylene Propylene

    Connection Size

    		 N/A 1/4 in

    Connection

    		 N/A 1/4" Gyrolok® x 1/4" Gyrolok®

    Operating Pressure

    		 N/A 150 to 5000 psig10 to 345 bar

    Cracking Pressure

    		 N/A 301 to 700 psig

    Operating Temperature

    		 N/A -65 to 300 ºF-54 to 149 ºC

    Reseat Pressure

    		 N/A 85% Min. of CP

    Proof Pressure

    		 N/A 9000 psig620 bar

    Burst Pressure

    		 N/A Over 24000 psigOver 1652 bar

    Dim. A

    		 N/A 2.94 in

    Dim. B

    		 N/A 1.34 in

    Dim. C

    		 N/A 0.97 in

    Optional End Connections

    		 N/A 1/4" Male BSPT x 1/4" Female BSPT 12mm Gyrolok® x 12mm Gyrolok® 6mm Gyrolok® x 6mm Gyrolok® 8mm Gyrolok® x 8mm Gyrolok®

    Weight

    		 N/A .6 lbs

    Applications

    N/A Typical Applications

    • Beverage dispensing equipment
    • Gas pilot plants
    • Petrochemical test labs
    • Off shore oil platform heating lines
    • Pharmaceutical sterilization and packaging systems

    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.

    • 1 Slicone seals for MR series only available up to 350 psig (Spring Code B)
      Slicone seals for MR series only available up to 300 psig (Spring Code A)