Product details

FORGED STEEL CHECK VALVE - STEFFENINI

Threaded steel check valves are used to prevent backflow in pipelines. Flow flows in a straight line through the valve when the outlet pressure drops (differential pressure). The disc then moves into a position that opens flow through the line. When the head pressure is lower than the outlet, the valve disc will close to prevent flow from passing through. Check valves can be installed horizontally or vertically along the pipeline system. but must be installed in accordance with the instructions indicated by the flow direction arrow marked on the body.

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Design and manufacturing standards: API 602/ASME B16.34

Distance standard on both sides of connection: ASME B 16.10

Weld connection standard: ASME B 16.11

Threaded connection standard: ASME B B 1.20.1

Butt welding standard: ASME B 16.25

Flange connection standard: ASME B 16.5

Test standard: API 598

Valve body material – Carbon Steel/Stainless Steel/Alloy Steel

(Forged Steel, such as A105N, LF2, F304, F316, F11, F51, F91, F347 etc.)

Trim Material – API 600 Trim number 1 to 17