Compare

Fig. 250W Double Check Valves

Name: Fig. 250W Double Check Valves
Brand: Hattersley
SKU: koGFmpJK2vvpjCYxDv99aY

Verified by manufacturer 21 days ago

15 mm: Fig. 250CW

DZR brass double check valve.

Jump to:

Application

Suitable for risk prevention of backflow and back siphonage contamination in domestic dwellings, public and commercial buildings.
WRAS Approved for use with wholesome (potable) water to 85°C.
This valve is suitable for use on group 2 liquids only, as defined by the Pressure Equipment Directive 2014/68/EU.

DZR brass double check valve, PN16.

Features and benefits:

Double check valves are used to prevent the risk of backflow and back siphon contamination in domestic dwellings, public and commercial buildings.
WRAS Approved for use with wholesome (potable) water to 85°C.
Compression version supplied with ends complying with BS EN 1252-2, 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 Fig. 250W and Fig. 250CW is PN16 with a maximum inlet or working pressure of 10 bar.
Compliant with BS EN 13959 ‘Anti-pollution check valves' family E, type D.

Color	Yellow Guidance for specification option: Body.
Material	Brass Guidance for specification option: Body, vent plug, compression nut and olive. Nylon Guidance for specification option: Vent plug. Rubber Guidance for specification option: NBR and EPDM O-ring. Stainless steel Guidance for specification option: Retaining clip. Steel Nickel Guidance for specification option: Plating. Plastic Guidance for specification option: Thermoplastic: Acetal. Show more

Uniclass	Pr_65_54_40_13 Irrigation check valvesPrimary
CAWS	S90/630 Double check valve assemblies S90/630 Double-check valve assemblies S14/325 Backflow prevention devices

Product range	Public Health

Third party certification:	To BS EN 13959 ‘Anti-pollution check valves’ family E type D.
PressureRange	Temperature: +85°C maximum: 16 bar. Guidance for specification option: WRAS Approved to 85°C. Manufacturer guidance Shell pressure PN16. Maximum inlet or working pressure: 10 bar. Minimum opening pressure: 0.2 bar.
Dimensions	82.1 x 63.4 x 25.2 x 29.4 mm. Manufacturer guidance Nominal Compression: A x B x C x D. Nominal Threaded: A x B x C.
Weight	0.17 kg.
Inlets/outlets diameter	15 mm.
Material (all components)	Body and compression nut: Brass CW602N, Vent plug: Nylon, Compression olive: Cartridge brass H62, Cartridge: Acetal, O-ring: NBR or EPDM, Retaining clip: Stainless steel grade 304, Plating: Nickel plated. Guidance for specification option: Body: DZR brass. Manufacturer guidance Brass (Body, and compression nut) to BS EN 12165 CW602N and cartridge brass to BS EN H62. Stainless steel to AISI 304.