Monthly Archives: September 2014

DOUBLE FLANGE GATE/SLUICE VALVES

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…

BOLTING STANDARDS

Specification to BS 4504 DN PN 10 Flange PN 16 Flange PN 25 Flange PN 40 Flange Bolt Holes Size x Length Bolt Holes Size x Length Bolt Holes Size x Length Bolt Holes Size x Length 50 4 M16 x 65 4 M16 x 65 4 M16 x 65 4 M16 x 65 80…