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D220W / D220CW Double Check Valves

Verified by manufacturer 10 days ago

DN15

Crane Fluid Systems Variant:

A brass double check valve.

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Application

  • Suitable for domestic dwellings, public and commercial buildings.
  • This valve is suitable for use on group 2 liquids only as defined by the Pressure Equipment Directive 2014/68/EU.

Description

A brass double check valve.


Features and benefits:

  • Double check valves are used to prevent the risk of backflow and back siphonage contamination in domestic dwellings, public and commercial buildings.
  • WRAS Approved for use with wholesome (potable) water to 85°C (85°C for threaded and 60°C for Compression).
  • Compression version supplied with ends complying with BS EN 1254-2 for use with BS EN 1057 R250 (half hard) copper tube or female taper threads complying with BS EN 10226-2.
  • Shell pressure rating for D220W and D220CW is PN16 with a maximum inlet/working pressure of 16 bar.
  • Compliant with BS EN 13959 ‘Anti- pollution check valves’ family E type D.


General information

Color

Bronze

Material

Brass

Uniclass

Pr_65_54_40_13 Irrigation check valvesPrimary

Specification data - Irrigation check valves

Standard

To BS EN 10226-2, BS EN 13959 and BS EN 12165.

Pressure rating

PN16.

Guidance for specification option:

Minimum opening pressure: 0.2 BAR.

Connections

Taper female threaded.

Inlets/outlets diameter

DN15.

Dimensions

75.7 x 25.5 mm.

Weight

0.13 kg.

Operating temperature

-10 to +85°C.

Materials

DZR brass CW602N, Acetal, Brass (BS EN 12165 CW614N, 617N), NBR, EPDM, Stainless steel and Cartridge brass H62.

Guidance for specification option:

Body, Vent plug: Brass; Cartridge: Acetal; O’ ring: NBR, EPDM; Retaining clip: Stainless steel; Plating: Un-plated.

Third-party certification

WRAS approved.

Guidance for specification option:

WRAS Approved to 85°C.

Sustainability data

Material

Brass

Recyclability

Recyclable

Guidance for specification option:

Recycle locally, consult manufacturer for details.

Expected Life

20 year