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D230W Double Non-Return Valve

Verified by manufacturer 26 days ago

DN50

Crane Fluid Systems Variant:

A cast iron, double non-return valve.

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+44 (0)1473 277300 Website

Application

Suitable for pipelines generally.

Description

A cast iron, double non-return valve.


Features and benefits:

  • Spring loaded axially guided disc.
  • Positive non-slam shut-off.
  • Two WRAS approved single non-return valves (to 85°C) bolted together.
  • Resilient seat.
  • WRAS Approved fusion bonded epoxy internal and external coating.

General information

Color

Black

Material

Cast iron

Uniclass

Pr_65_54_30_12 Gas fire-suppression check valvesPrimary

Specification data - Gas fire-suppression check valves

Standard

To BS EN 1092-2 and BS EN 3692.

Third party certification

The Water Regulations Advisory Scheme (WRAS).

Guidance for specification option:

  • These valves are not intended to be used as backflow prevention devices conforming to Schedule 2 Section 6 of the WRAS Water Regulations Guide.
  • Two suitably approved single check valves (Type EA device) installed in series are accepted as offering the equivalent level of protection as that afforded by a double check valve (Type EC device) providing the maximum distance between the adjacent flanges of the valves did not exceed twice their nominal bore and the operation of one component does not interfere with the operation of the other.

Valve type

Non-return valve.

Material

Cast iron 1 EN-GJL-250, Steel (zinc plated) Grade 8.8 / 8, Stainless steel 316/304, Fusion bonded epoxy cast iron 1561 EN-GJL-250, EPDM, Stainless steel 304 (1.4301) and Brass 12164 CW611N.

Guidance for specification option:

Body, Guide: Cast iron; Disc: Fusion bonded epoxy cast iron; Seat, Gasket: EPDM; Spring, Stem, Plug 1/4": Stainless steel; Bushing: Brass; Stud, Nut: Steel.

Working pressure

16 BAR.

Cross-sectional area

Manufacturer's standard.

Inlets/outlets diameter

50 mm.

Dimensions

203 x 165 mm.

Weight

17 kg.

Operating temperature range

-10 to 120°C.

Manufacturer guidance

WRAS approved to 85°C.

Connection

Flanged.

Sustainability data

Material

Cast iron

Recyclability

Recyclable

Guidance for specification option:

Recycle locally, consult manufacturer for details.

Expected Life

20 year

Literature

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN50

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN50

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN65

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN65

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN80

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN80

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN100

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN100

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN125

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN125

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN150

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN150

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN200

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN200

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN250

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN250

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN300

D230W Double Non-Return Valve - TM65-CRANE-D230W-DN300

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