Circle Valve Technologies Inc.
1533 Gehman Road
Harleysville, PA 19438

Toll Free:800-645-6733 | Phone:267-933-6300 | Fax:267-933-6305|
email: [email protected]
All Categories > Relief Valves > Rockwood Swendeman Relief Valves > RSL Bronze and Stainless Steel Safety Relief Valves > Item # 770EDGH-NXXX  


Item # 770EDGH-NXXX, Type RSL Bronze Safety Relief Valve

Features
  • Set Pressures to 300 psig
  • Temperature to +400°F
  • Teflon® seat for improved seat tightness.
  • Cleaned and packaged for use in oxygen service in compliance with CGA specification G-4.1





Specifications  · Applications  · Materials of Construction  · Safety

Specifications

Series
770

Valve Service
Air/Gas/Liquid Non Code

Certification
None Coded

Body Material
Bronze

Seal Material
Teflon®

Cap Type
Open Lever

Inlet
1-1/2" MNPT

Outlet
2" Female NPT

Orifice
1.5 in

Cracking Pressure
5 to 300 psig

Operating Pressure
300 psig

Operating Temperature
0 to 300 ºF

Dimension A - Overall Height
9.69 in

Dimension B - Outlet Height
3.69 in

Dimension C - Outlet Width
2.75 in

Weight
9 lbs


Applications
Tanks, pumps, pipe lines and other vessels containing non-corrosive liquid, and where large relieving capacities are not required.


Materials of Construction
  • Shell - Cast Bronze, ASME SB-62
  • Base - Forged Brass, Alloy C37700
  • Trim - Copper Alloy
  • Spring - Stainless Steel, 17-7 PH ASTM, A-313,Type 631

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    Safety
    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.



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