1. Design and manufacture conform to: API602.ANSI B16.34;
2. Ends dimension conform to:
1) SW ends dimension conform to ANSI B16.11; JB/T1751
2) Thread ends dimension conform to ANSI B1.20.1; JB/T7306
3) BW ends conform to ANSI B16.25; JB/T12224
4) Flange ends conform to ANSI B16.5; JB79
3. Test and inspection conform to: API598
4. Structure features:
Bolted bonnet(B.B), outside screw and yoke(OS&Y)
Welded bonnet(W.B), outside screw and yoke(OS&Y)
5.Materials conform to ANSI/ASTM
6. Main marerials:
A105, LF2, F5, F11, F22, F304(L),F316(L), F347, F321, F51, Monel, Alloy, etc
Main Parts and Material. No | Part Name | Material |
1 | Body | A350 LF2 | A350 LF3 | A182 F304(L) | A182 F316(L) |
2 | Disc | A276 410 | A276 304(L) | A276 304(L) | A276 316(L) |
3 | Bonnet | A350 LF2 | A350 LF3 | A182 F304(L) | A182 F316(L) |
4 | Gasket | 316+graphite | 316+PTFE |
5 | Bolt | A193 B7 | A193 B7 | A193 B8 | A193 B8M |
6 | Stem | A182 F6 | A192 F6 | A182 F304(L) | A182 F316(L) |
7 | Packing | Flexible graphite | PTFE |
8 | Bushing | A276 410 | A182 F304 |
9 | Pin | A276 420 | A182 F304 |
10 | Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
11 | Gland | WCB | A351 CF8 |
12 | Nut | A194 2H | A194 4 | A194 8 | A194 8M |
13 | Stem Nut | A276 410 |
14 | Handwheel | A197 |
15 | Nameplate | SS |
16 | Nut | A194 2H | A194 4 | A194 8 | A194 8M |
Applicable temp. | ≥-40°C | ≥-101°C | ≥-196°C |
Main Dimensions and Weight. NPS | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 |
L | 79 | 92 | 111 | 120 | 120 | 172 | 200 |
H(Open) | 330 | 337 | 370 | 480 | 410 | 474 | 546 |
W | 100 | 100 | 125 | 160 | 160 | 180 | 200 |
WT(kg) | BB | 5.2 | 7.2 | 10.9 | 13.5 | 15.2 | 19.8 | 29.0 |
WB | 4.8 | 6.5 | 9.5 | 11.5 | 13.1 | 17.5 | 26.8 |