Body type : os y rising spindle. body materials : all cast steel/alloys from bar stock/forged up-to size 2 . end connections : flanged(integral separable)screwed/sw/bw. bonnet : bolted/screwed/welded/pressure seal/extended. gland packing : ptfe(virgin, glass filled) grafoil. gaskets : ptfe, swg, corrugated, metallic. seats : integral , renewable, stellited. wedge : solid / flexible/parallel slide. trims : barstock, forged. operator : wheel / gear box. /pneumatic /electric. design std. : api-600/api 602/bs 5352 end std. : asme b 16. 5/bs 10 tables/din/bs 4504 asme 16. 11/b16. 25/npt/bsp/bspt testing std. : api 598/bs 6755 f/f std. : asme b 16. 10 inspection : by user, by any reputed tpi, by sgs. certification : api monogram / ibr.