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Double plate cast iron GGG40 check valve mounting between flanges - EPDM/NBR seal

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Temperature range

-10°C to +100°C

Working pressure

1 - 25 bar

Application

general industrial applications

Certificates

CE, Bureau Veritas, ACS

Specifications

Standard

(EN)DIN

Connection

Between flanges

Pressure class

PN25

Type of disc

Divided valve

Mounting

Horizontally and vertically

Face-to-face dimensions

EN 558-1, Series 50

Casing

Ductile iron GGG40

Seal

EPDM (DN50-300 & DN400)


NBR (DN350 & DN450-600)

Valve

SS 304 (DN50-300 and DN400)


Aluminum bronze (DN350 and DN450-600)

Spring

SS 316

Axis

SS 316

Surface protection

Epoxy coating

Description

Double plate check valve mounting between flanges, ductile iron GGG40 housing, EPDM seal for DN50-300 & DN400 and NBR seal for DN350 & DN450-600, stainless steel 316 spring and stainless steel 304 disc for DN50-300 & DN400 and aluminum bronze disc for DN350 & DN450-600 to prevent liquids or gases from flowing back. The valve thus offers one-way passage. The disc opens as soon as the minimum opening pressure is reached. As soon as the pressure decreases, the non-return valve closes by means of the spring. The check valve is suitable for general industrial applications.

* This working pressure only applies to water. See technical data sheet for other media