Heavy duty os & y type,bolted bonnet & pressure seal bonnet, rising or non rising hand wheel, renewable seatring. Valves with most advanced design features provide the ultimate in dependable, economical flow control.
Body, bonnet : astm a 216 gr. Wcb, astm a 352 gr. Lcb, astm a 351 gr. Cf8/ cf8m/ cf3/cf3m.
Disc & seat ring : astm a 216 gr. Wcb, astm a 351 gr. Cf8/cf8m/cf3/cf3m, seal faces are stellited.
Stem, gland & bonnet bush: astm a 276 type 410/astm a 276 type 304/316
Yoke sleeve : ni - resist astm a 439 gr d2.
Gland packing : graphited asbestos with inconnel wire or grafoil.
Pressure seal ring : expanded graphite
Stud / nut : astm a 193 gr. B7 / astm a 194 gr. 2 h.
Yoke & hand wheel : carbon steel
Surface protection for carbon steel valves : prime coat : chlorine free with modified alkyd resin unobjectionable in physiological and toxicological respects. Additional external coating : silver streak aluminium paint.
