Forged Steel Pressure Seal Bonnet Gate Valve Manufacturer & Supplier-Flowspec

Forged Steel Pressure Seal Bonnet Gate Valve Descriptions

Forged steel pressure seal bonnet gate valve is the most common type of valve in the oil & gas filed and power plant, because they can be applicable to water, oil and gas with high temperature and high pressure. Our forged steel gate valve is available with materials of steel ASTM A105N, alloy steel A182 F11, A182 F22, stainless steel A182 F304/L, A182 F316/L, A182 F5, duplex s.s. A182 F51, low temperature steel A350 LF2, with ends connection of socket welded, butt-welded, threaded, welded flanged and intergral flanged. And we can produce especially with extended body, extended bonnet, locking device and low temperature. Welcome to contact us for detailed information and best quotes if you have any questions or inquiries.

1. FEATURES

Full port or reduced port
Bolted bonnet, OS&Y
Pressure seal bonnet or welded bonnet available
T-head stem design
Spiral wound gasket or ring joint gasket
Rolled-in seat design
High quality packing material
Bi-directional

3. STANDARDS

Design & manufacturing: API602, ASME B16.34 / ISO15761
Face to face: manufacturer’s, ASME B16.10
Socket welded: ASME B16.11
Threaded ends: NPT ASME 1.20.1
Butt-welded: ASME B16.25
Flanged ends: ANSI B16.5 RF
Inspection & Testing: API598
Fugitive emission class: B
FE testing: MESC 77/312, ISO15848-2
TAT: MESC 77/300

2. TECHNICAL SPECIFICATIONS

150LB~2500LB
Size: 1/4″~2‘’ (DN6~50mm)
Materials: steel (A105), alloy steel (A182 F11, F22, F5), stainless steel(A182 F304/L, F316/L), duplex s.s.(A182 F51), low temperature steel(A350 LF2)
Applicable medium: water, oil, gas, steam
Applicable temperature: -29℃~+425℃(higher temperature and lower temperature are available)
Sour service conditions: NACE MR-01-75

4. APPLICATIONS