Valve design:- api 602face to face:- ansi b 16.10socket weld & threaded to:- ansi b 16.11ansi b 2.1testing standard:- api 598bs 5146 size range:- 15 mm to 50 mm pressure rating:- class 800 sr.no part name material specifications1. body astm- a 105 a 182f 304-3162. seat ring aisi- 4103043163. wedge aisi- 410 3043164. spindle aisi- 410304 3165. gasket spiral wound ss304 filled asbestosgraphite6. bonnet astm a 105a182f304-3167. gland flower astm a 1053048. gland packing grafoil ring9. gland bush aisi- 41030431610. yoke sleeve ni- resist11. handwheel c.i m.i12. bonnet nut a 193 gr.b713. eye bolt carbon steel or aisi 41030414. nut carbon steel or aisi 410304.