Socket Weld Gate Valve Installation

There is an exception to install butt weld end valves th ey should be installed in a lightly closed position.

Socket weld gate valve installation.

13 welded bonnet gate 2500 lb. Socket weld fittings general. Carbon steel class 800 1975 psig. Welded bonnet gate 800 lb.

The stem is forged steel and part of the valve trim. This gap can lead to over stress problem that cracks the fillet weld of the fitting. Asme b16 11 screw end dimensions. Check valve must be installed with the inlet in the direction of flow.

Installationof socket weld valves and related. Insert unthreaded pipe into the socket ends and bond with primer and cement to create a permanent leak tight connection. For fast installation and removal from pipelines these valves have union fittings that disassemble into multiple pieces. A socket weld is a pipe attachment detail in which a pipe is inserted into a recessed area of a valve fitting or flange.

Generally for piping whose nominal diameter is nps 2 or smaller. Socket weld is easy to install. It is generic in nature and meant to highlight the considerations in play relative to heat generated. In contrast to buttweld fittings socket weld fittings are mainly used for small pipe diameters small bore piping.

Socket weld is troublesome in corrosive fluid service due to crevice corrosion. Direct metal. Velan is a world leader in the design and production of a wide range of cast and forged steel gate globe check ball triple offset butterfly knife gate highly engineered severe service valves and steam traps offering superior performance across all major industrial applications. Available in bolted bonnet and welded bonnet outside screw and yoke os and y construction.

Socket weld ends to asme b16 11 screwed ends npt to asme b1 20 1 butt welding ends to asme b16 25 ratings. Nobody expects more from us than we do. Api 598 socket weld dimensions. Conventional port design with screwed socket weld butt weld or flanged ends.

14 gate valves 9. These valves meet nsf ansi 61 for use in drinking water lines. This technical bulletin addresses issues related to welding soft seated socket weld sw ball valves in line. 1 16 of gap at the bottom of the pipe to socket into to allow thermal expansion.

Otherwise check valve will stop the flow. This has to be checked carefully before installation of the valve.