1. Main parts and materials & Standard & Testing

Parts Name	Material
Body、Bonnet	Cast Iron ASTM A126 CL. B
Disc	Cast Iron ASTM A126 CL. B+Bronze B62/Brass B16/Stainless Steel 2Cr13
Stem	Brass B16/Stainless Steel 2Cr13
Seat Ring	Bronze B62/Brass B16/Stainless Steel 2Cr13

*Design and Manufacture: MSS SP-70; Face to Face standard: ANSI 16.10; Flange End standard: ANSI 16.1.
*Nominal pressure: 250PSI, 125PSI; Shell test: 350PSI, 875PSI; Seal test: 200PSI, 500PSI.

2. Drawing & Dimension

NPS	2	2.5	3	4	5	6	8	10	12	14
DN	50	65	80	100	125	150	200	250	300	350
L	177.8	190.5	203.2	228.6	254	266.7	292.1	330.2	355.6	381
H1	318	338	353	433	516	603	737	979	1115	1346
H2	375	408	442	545	656	770	959	1255	1443	1727
D	152	178	190	229	254	279	343	406	483	533
D1	120.7	139.5	152.5	190.5	216	241.5	298.5	362	432	476

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