supply of ms line erv regulating isolating valve against one to one replacement complete valve of boiler supply of ms line erv regulating isolating valve against one to one replacement complete valve of boiler , ms line erv regulating valve ( regulating valve, manual operated butt welded ends ) size:-65 mm, class-3500#, valve type:- rgv, moc-f22, valve construction:-integral bonnet, fixed back seat, straight pattern, top entry assembly, body & yoke:- astm a182 gr.f22 cl.3, disc / wedge & stem:- disc with stem integral, seat:- integral+ stelliting gr.6, gland packing:- graphite, operation:- manual with suitable gear box, end connection:- bw, face to face: 260 mm, max. permissible working pressure:- 233.4 kg / cm2 , intended working temperature of medium:- 550 deg c , ms line erv isolatingvalve ( isolating valve electrical operated butt welded ends ) size:-65 mm, class-3000#, valve type:- isolation valve, moc-cas, valve construction:-pressure seal bonnet with back seat arrangement, straight pattern, body & yoke:- astm a217 gr.wc9, disc:- astm a182 gr.f22 + stelliting gr.6, stem:- 16% cr. ( ss43 ) , seat:- astm a182 gr.f22 + stelliting gr.6, pressure seal bonnet:- astm a182 gr.22, pressure seal ring:- soft iron, gland packing:- graphite, operation:- elo ( wa ) , actuator details:- rotork& auma make epack actuator, model k150 wd-1697z00, end connection:- bw, face to face: 450 mm, max. permissible working pressure:- 196.7 kg / cm2 , intended working temperature of medium:- 550 deg c