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]
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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
Rockwood Swendeman Type RSL-S Safety Relief Valve
Unit of Measure
1 2 3 

Item #

Valve Service

Body Material

Cap Type

Inlet

Outlet

Orifice

770ECFF-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 1-1/4" MNPT N/A 1 1/4" Female NPT N/A 1.25 in
770ECDG-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 3/4" MNPT N/A 1 1/2" Female NPT N/A 1.25 in
770ECEG-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 1" MNPT N/A 1 1/2" Female NPT N/A 1.25 in
770ECFG-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 1-1/4" MNPT N/A 1 1/2" Female NPT N/A 1.25 in
770EDEG-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 1" MNPT N/A 1 1/2" Female NPT N/A 1.5 in
770EDFG-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 1-1/4" MNPT N/A 1 1/2" Female NPT N/A 1.5 in
770EDGG-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 1-1/2" MNPT N/A 1 1/2" Female NPT N/A 1.5 in
770EDEH-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 1" MNPT N/A 2" Female NPT N/A 1.5 in
770EDFH-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 1-1/4" MNPT N/A 2" Female NPT N/A 1.5 in
770EDGH-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 1-1/2" MNPT N/A 2" Female NPT N/A 1.5 in
770EEGH-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 1-1/2" MNPT N/A 2" Female NPT N/A 2 in
770EEHH-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 2" MNPT N/A 2" Female NPT N/A 2 in
770EEGJ-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 1-1/2" MNPT N/A 2" Female NPT N/A 2 in
770EEHJ-NXXX N/A Air/Gas/Liquid Non Code N/A Bronze N/A Open Lever N/A 2" MNPT N/A 2 1/2" Femle NPT N/A 2 in
775EACD-NXXX N/A Air/Gas/Liquid Non Code N/A 316 Stainless Steel N/A Open Lever N/A 1/2" MNPT N/A 3/4" Female NPT N/A .75 in
775EADD-NXXX N/A Air/Gas/Liquid Non Code N/A 316 Stainless Steel N/A Open Lever N/A 3/4" MNPT N/A 3/4" Female NPT N/A .75 in
775EACE-NXXX N/A Air/Gas/Liquid Non Code N/A 316 Stainless Steel N/A Open Lever N/A 1/2" MNPT N/A 1" Female NPT N/A .75 in
775EADE-NXXX N/A Air/Gas/Liquid Non Code N/A 316 Stainless Steel N/A Open Lever N/A 3/4" MNPT N/A 1" Female NPT N/A .75 in
775EBCE-NXXX N/A Air/Gas/Liquid Non Code N/A 316 Stainless Steel N/A Open Lever N/A 1/2" MNPT N/A 1" Female NPT N/A 1 in
775EBDE-NXXX N/A Air/Gas/Liquid Non Code N/A 316 Stainless Steel N/A Open Lever N/A 3/4" MNPT N/A 1" Female NPT N/A 1 in
775EBEE-NXXX N/A Air/Gas/Liquid Non Code N/A 316 Stainless Steel N/A Open Lever N/A 1" MNPT N/A 1" Female NPT N/A 1 in
775EBCF-NXXX N/A Air/Gas/Liquid Non Code N/A 316 Stainless Steel N/A Open Lever N/A 1/2" MNPT N/A 1 1/4" Female NPT N/A 1 in
775EBDF-NXXX N/A Air/Gas/Liquid Non Code N/A 316 Stainless Steel N/A Open Lever N/A 3/4" MNPT N/A 1 1/4" Female NPT N/A 1 in
775EBEF-NXXX N/A Air/Gas/Liquid Non Code N/A 316 Stainless Steel N/A Open Lever N/A 1" MNPT N/A 1 1/4" Female NPT N/A 1 in
Unit of Measure
1 2 3