Specialty Mfg. Co., The - 667 RELIEF VALVE
SMC will quote alternate materials or customize our standard products when quantities ensure competitive pricing.
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667 RELIEF VALVE

 
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667THDL

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    Design Considerations 

    • The 667 Relief Valve incorporates a guided piston and large flow area design for full flow with minimum pressure loss
    • Available with a T-Style Adjustment Handle or a Screw Slot with Wire Lock-Out Stop Nut
    • Available with a choice of two spring pressure ranges to 250 psi
    • can be used in systems with more than one outlet
    • Mounts to a “T” from the pump outlet
    • Buna-N, Ethylene Propylene and Fluoroelastomer (Viton®) seals are available for chemical compatibility
    Example of how to order
    Type
    Brass Relief Valve    		 Inlet Port
    1/4 Male NPT    		 Bypass Port
    1/4 Female NPT    		 Seal
    Ethylene Propylene    		 Spring
    5-50 psi    		 Handle
    T-HDL
    Part Numbers are a description of the relief valve as read left to right, Inlet Port to Bypass Port.
    REL 667R-4M4F-E,5-50,T-HDL = Brass Relief Valve, 1/4 Male NPT Inlet x 1/4 Female NPT Bypass, Ethelyene Propylene (EPDM) Seals, 5-50 psi spring, T-Handle

    Compatibility Statement:
    It is the sole 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 product damage.


    Pricing and Minimum Order Requirement:
    Our Minimum Order Requirements are $100.00 Domestic - $250.00 International. Pricing is based on the quantity ordered. Please indicate a typical order quantity or Estimated Annual Usage when requesting pricing.



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    Item #

    Material

    Inlet End

    Bypass End

    Seal Option

    Spring Option

    Handle Option

    Maximum Operating Pressure

    Maximum Operating Temperature

    Flow Rate

    REL 667R-4M4F-B,5-50 psi BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Buna-N 5-50 psi Screw Slot Lock Out Handle 250 psi 180 ºF 4 GPM Max
    REL 667R-4M4F-E,5-50 psi BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Ethylene Propylene (EPDM) 5-50 psi Screw Slot Lock Out Handle 250 psi 180 ºF 4 GPM Max
    REL 667R-4M4F-F,5-50 psi BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Fluoroelastomer (Viton®) 5-50 psi Screw Slot Lock Out Handle 250 psi 180 ºF 4 GPM Max
    REL 667R-4M4F-B,25-250 psi BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Buna-N 25-250 psi Screw Slot Lock Out Handle 250 psi 180 ºF 4 GPM Max
    REL 667R-4M4F-E,25-250 psi BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Ethylene Propylene (EPDM) 25-250 psi Screw Slot Lock Out Handle 250 psi 180 ºF 4 GPM Max
    REL 667R-4M4F-F,25-250 psi BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Fluoroelastomer (Viton®) 25-250 psi Screw Slot Lock Out Handle 250 psi 180 ºF 4 GPM Max
    REL 667R-4M4F-B,5-50 psi,T-HDL BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Buna-N 5-50 psi T-Handle 250 psi 180 ºF 4 GPM Max
    REL 667R-4M4F-E,5-50 psi,T-HDL BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Ethylene Propylene (EPDM) 5-50 psi T-Handle 250 psi 180 ºF 4 GPM Max
    REL 667R-4M4F-F,5-50 psi,T-HDL BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Fluoroelastomer (Viton®) 5-50 psi T-Handle 250 psi 180 ºF 4 GPM Max
    REL 667R-4M4F-B,25-250 psi,T-HDL BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Buna-N 25-250 psi T-Handle 250 psi 180 ºF 4 GPM Max
    REL 667R-4M4F-E,25-250 psi,T-HDL BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Ethylene Propylene (EPDM) 25-250 psi T-Handle 250 psi 180 ºF 4 GPM Max
    REL 667R-4M4F-F,25-250 psi,T-HDL BODY, ENDS and PISTON - Brass 1/4 Male NPT 1/4 Female NPT Fluoroelastomer (Viton®) 25-250 psi T-Handle 250 psi 180 ºF 4 GPM Max
      Results 1 - 12 of 12 1