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Fig. 973 Double Regulating Valve

Name: Fig. 973 Double Regulating Valve
Brand: Hattersley
SKU: 9Um54QmoNMFJLzkh5w8fDe

Verified by manufacturer 14 days ago

DN400: Fig. 973G

Ductile iron double regulating valve.

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Application

Suitable for Chilled Water, LTHW and MTHW.

Ductile iron double regulating valve, with ANSI version option MHA733.

Features and benefits:

Robust iron body materials for long service life.
Precise flow regulation.
Fully-lugged – easy to install and operate.
Positive flow control at all settings.
Valves up to and including 200 mm can be supplied lever or gear box operated.
Valves 250 mm and above supplied gear box only.
All operators fitted with double regulating feature.
Butterfly valves should not be less than 30° open when used for regulation duties.

Color	Blue Guidance for specification option: Body and handwheel. Silver Yellow Guidance for specification option: Disc.
Material	Cast iron

Uniclass	Pr_65_54_95_26 Double regulating valvesPrimary Pr_65_54_95_08 Butterfly valves
CAWS	S90/650 Flow-reducing/ servicing valves S90/650 Flow reducing/ servicing valves

Standard	To BS EN 593: 2009.
Material	Body: Ductile iron, Shaft: Stainless steel grade 431, Disc: Aluminium bronze, Liner: EPDM, Bearings: PTFE. Guidance for specification option: Standard with stainless steel shaft to BS EN 10088-1 X17CrNi16-2, ASTM AISI 431. . Body: Ductile iron, Shaft: Stainless steel grade 431, Disc: Stainless steel grade 304, Liner: EPDM, Bearings: PTFE. Guidance for specification option: Fig. 4973 and Fig. 4973G option: Stainless steel disc to BS EN 10270 X10CrNr18-8, ASTM A276 304. Manufacturer guidance EPDM liner: Ethylene Propylene Diene Monomer. Ductile iron body to BS EN 1563 EN-JS 1040, ASTM A536 65-45-12. Aluminium bronze disc to BS EN 1982 CC333G, ASTM B148 C95800.

PressureRange	Temperature: -10 to +120°C: 16 bar. Guidance for specification option: PN16. Manufacturer guidance Test pressures: Shell (24 bar) and seat (17.6 bar).
Inlets/outlets diameter	DN400. Manufacturer guidance Nominal.
Dimensions	400 x 305 x 89 x - x 508 x 450 x 380 x 277 mm. Manufacturer guidance Lever: A x B x C x D x E x F x G. Geared: A x B x C x D x E x F x G x K.
Weight	123.8 kg.