Compare

Fig. 973W Double Regulating Valve

Name: Fig. 973W Double Regulating Valve
Brand: Hattersley
SKU: vD8Xd3Xt7oFe4Yaqzy76MY

Verified by manufacturer 22 days ago

DN65

Ductile iron, lever operated double regulating valve.

Jump to:

Description

Ductile iron, lever operated double regulating valve.

Features and benefits:

WRAS Approved Double Regulating Valves consist of a fully lugged, WRAS Approved EPDM liner butterfly valve with a Double Regulating Lever.
The Double Regulating feature allows the valve to be used for isolation and to be reopened to its pre-set position, to maintain required flow rate.
Use the Fig. 973W with Orifice plate Fig. M2000 for Commissioning Set.

Color	Blue Guidance for specification option: Body and lever. Silver Yellow Guidance for specification option: Disc.
Material	Rubber Guidance for specification option: EPDM seat and Nitrile (Buna) O-ring. Polytetrafluoroethylene (PTFE) shaft bushing. Aluminium Guidance for specification option: Aluminium bronze disc. Stainless steel Guidance for specification option: Shaft. Steel Ductile iron Guidance for specification option: Body. Bronze Guidance for specification option: Shaft bushing. Show more

Uniclass	Pr_65_54_95_26 Double regulating valvesPrimary
CAWS	S90/650 Flow-reducing/ servicing valves S90/650 Flow reducing/ servicing valves

Product range	Public Health

Material	Body: Ductile iron, Disc: Aluminium bronze, Seat: EPDM, Shaft: Stainless steel grade 410 – 1.4006, Taper pin: Steel grade 316, Key: Carbon steel, O-ring: Nitrile (Buna), Shaft bushing: PTFE. Guidance for specification option: Shaft bushing PTFE option. Body: Ductile iron, Disc: Aluminium bronze, Seat: EPDM, Shaft: Stainless steel grade 410 – 1.4006, Taper pin: Steel grade 316, Key: Carbon steel, O-ring: Nitrile (Buna), Shaft bushing: Bronze. Guidance for specification option: Shaft bushing Bronze option. Manufacturer guidance BS EN material grade is the nearest equivalent to the ASTM grade. EPDM: WRAS Approved Ethylene Propylene Diene Monomer. Ductile iron to BS EN 1563 EN-JS 1030, ASTM A536 65-45-12. Stainless steel grade 410 to BS EN 10088-1: 2014, 1.4006 and ASTM UNS41000 (SS410). Steel to ASTM A276 Type 316. Aluminium bronze to BS EN 1982: 2008 CC331G and ASTM B148 C95400.
Connections	Flanged to BS EN 1092-2, PN25.

Third party certification:	WRAS Approved.
PressureRange	Temperature: -10 to +80°C: 16 bar. Guidance for specification option: Ratings align with BS EN 1092-2 PN16.
Inlets/outlets diameter	DN65. Manufacturer guidance Nominal.
Dimensions	207 x 95 x 260 x 48 mm. Manufacturer guidance Nominal A x B x C x D.
Weight	5 kg.
Flow capacity	170 Kv.
PressureLossCoefficient	0.856. Manufacturer guidance Headloss coefficient (K).