Swing Check Valves - E400

Swing check valves are produced within a wide range of sizes, which controls the flow direction. They have an obturator, which automatically blocks the flowing in one direction. Flow direction is marked on the body, for correct assembly. The vertical and horizontal mounting is possible through the line.

It is a full bore valve, suitable for the pig transition. It is used as line valve in natural gas and crude oil pipelines and also used in Pig Stations, Compressor & Metering Stations, Regulating & Metering Stations, Pumping and Filling Stations. Special sizes are available as tailor made.

Application Area

Crude Oil Storage
Crude Oil Terminal
Crude Oil Pipeline
Natural Gas Pipeline
Fuel Pipeline
Fuel Storage
Tank Storage
LNG Terminal Plant
Petrochemical Plant
Refinery
Power Plant
RMS
Water Works

Functions

SAV - NRV

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Vastas Figure
E400

Type
Swing Check Valve

NPS
2"-48"

DN
50-1200

Class
150-2500#

Check Valves - E400 Technical Drawing - Vastas

Features

Bolted Cover (BC)
Full Bore (FB)
Swing Type Disc
Fire Safe Design (FSD)

Standards

» Design API 6D, ISO 14313, ASME B16.34
» NACE MR0175, MR0103
» Welding end dimensions ASME B16.25
» Flange end dimensions ASME B16.5, B16.47,
series A, optional series B
» F to F and E to E dimensions ASME B16.10
»Fire Safe valve design, according to API 6FD,
ISO 10497
»Test Standard API 598

Operators

» Self Acting