20070777-3, 4-1/16" 10.000 psi Shaffer Type HB Gate Valve
Piping System Components
Gate, Globe & Check Valves
NATIONAL OILWELL, Houston, United States of America
Houston, United States Of America
20070777-3, 4-1/16" 10.000 psi Shaffer Type HB Gate Valve
Product Description
4-1/16", 10,000 psi Shaffer Type HB Gate Valve.Type HB gate valves are hydraulic spring fail assist and require a hydraulic circuit for a fail-to-close system.
Product Ratings
Working Pressure: 10,000 psig (67.0 MPa) | Test Pressure: 15,000 psig (103.4 MPa) | Hydraulic Operator Pressure: 3000 psi (20.69 MPa) | Hydraulic Test Pressure: 4500 psi (15.5 MPa) | Design Temperature: -20 F (-28.9 C) to 250 F (121.1 C) | Material Class: DD-NL | Service: Sour (H2S) | Subsea Water Depth: Valve depth rating depends on the accumulator circuit that provides the close-assist pressure.
Applicable Standards
NACE MR0175 Second Edition October 2009;
API Specification 6A Specification for Wellhead and Christmas Tree Equipment 20th Edition, October 2010;