BS EN 5163 : Pt 1 & Pt 2 : 2004

 

MATERIAL SPECIFICATION
Item	Part	Material	Grade
1	Stem Cap	Ductile Iron	420/12 or 500/7
2	Stem (Spindle)	Stainless Steel	431S29
3	Bonnet	Ductile Iron	420/12 or 500/7
4	Body	Ductile Iron	420/12 or 500/7
5	O-Ring	Rubber	Nitrile or EPDM
6	Collar	Stainless Steel	431S29
7	Gasket	Rubber	Nitrile or EPDM
8	Wedge Nut	Gunmetal	LG2 LG4
9	Wedge Gate	Base : Ductile Iron	420/12 or 500/7
	(Resilient Seat)	Surface : Rubber	Nitrile or EPDM Bond
10	Gland	Ductile Iron	420/12 or 500/7

 

FEATURES:
> Flange Standard to BS 4504
> Epoxy Coating Internal & External
> Hand-Wheel, T-Key or Standard Steam Cap
> Extension Adaptor (optional)

HYDROSTATIC PRESSURE TEST:
> Shell : at 1.5 X Max. Permissiable Pressure
> Seat : Max Permissiable Pressure
> Operation Torque Test
USES:
> Suitable for water works and treatment plants