| Technical Specification |
Nominal class |
Shell test |
Sealing test |
Suitable temp |
Suitable media |
150 |
3.0 |
2.2 |
<350 o C |
Water oil & gas |
300 |
7.5 |
5.5 |
600 |
25.0 |
11.0 |
900 |
22.5 |
16.5 |
Standard materials of parts |
No. |
Part |
Material |
1 |
Body |
ASTM A216-WCB
ASTM A351-CF8,CF 8M ,CF3,CF 3M |
2 |
Disc |
ASTM A182-Gr.F 6a ASTM A182-F22
ASTM A182-F304,F316,F321,F 304L ,F 316L |
3 |
Split ring |
ASTM A182-Gr.F 6a ASTM A182-F22
ASTM A182-F304,F316,F321,F 304L ,F 316L |
4 |
Disc bushing |
ASTM A182-Gr.F 6a ASTM A182-F22
ASTM A182-F304,F316,F321,F 304L ,F 316L |
5 |
Stem |
ASTM A182-Gr.F 6a ASTM A182-F22
ASTM A182-F304,F316,F321,F 304L ,F 316L |
6 |
Gasket |
Flexible Graphite +stainless steel. PTFE |
7 |
Bonnet |
ASTM A216-WCB
ASTM A351-CF8,CF 8M ,CF3,CF 3M |
8 |
Bellow assemble |
ASTM A182-F304,F316,F321,F 204L ,F 316L |
9 |
Packing |
Flexible Graphite. PTFE |
10 |
Gland |
ASTM A216-WCB
ASTM A351-CF8,CF 8M ,CF3,CF 3M |
11 |
Yoke nut |
ZQA19-4 |
12 |
Hand wheel |
ASTM A536Gr.60-40-18,A216-2WCB |
13 |
Guiding piece |
45,WCB, 304,316,304L , 316L |
14 |
Bolt |
ASTM A193-B7,A103-B8,A193-B 8M |
15 |
Nut |
ASTM A194-2H,A194-8,A194 -8M |
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