Brand:MED
Model:H44H
Features of swing check valve
1. Design and manufacture of ptoduct according to American state standard ANSI B16.34, American petroleum institute standard API6D.
2. Small opening pressure, the disc can be opened fully with a very small pressure differential.
3. Rocker and hinge pin use inside-set design, reduces outer leakage point.
4.The body and bonnet of class 1500~Class 900 check valve is connected with stud. And the body and bonnet of class 1500~class 2500 check valve pressure seat structure to make product bulk small, weight light, seal credible.
Standard:
DESIGN & MANUFACTURING:API 6D& ANSI B16.34 & BS1868
Face to Face Dimension: ANSI B 16.10
Flanged End Dimension : ANSI B 16.5 Or MSS SP-44 for 26” & up
Testing & Inspection: API 598
Pressure and temperature: ANSI B16.34
| Parts No. | Parts Name | Materials | ||||
| WCB/Trim1 | WCB/Trim5 | WCB/Trim8 | CF8/304 | CF8M/316 | ||
| 1 | Body | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | ||
| 2 | Seat ring | A105+13Cr | A105+STL | A105+STL | ASTM A351 CF8 | ASTM A351 CF8M |
| 3 | Disc | ASTM A216 WCB+13Cr | ASTM A216 WCB+STL | ASTM A216 WCB+13Cr | ASTM A351 CF8 | ASTM A351 CF8M |
| 4 | Arm | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | ||
| 5 | Nut | ASTM A194 2H | ASTM A194 8 | ASTM A194 8M | ||
| 6 | Arm pin | ASTM A182 F6a | ASTM A182 F304 | ASTM A182 F316 | ||
| 7 | Yoke | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | ||
| 8 | Bonnet nut | ASTM A194 2H | ASTM A194 8 | ASTM A194 8M | ||
| 9 | Bonnet bolt | AST A193 B7 | ASTM A193 B8 | ASTM A193 B8M | ||
| 10 | Bolt | AST A193 B7 | ASTM A193 B8 | ASTM A193 B8M | ||
| 11 | Gasket | 304SHEET+Graphite | 304+Graphite | 316+Graphite | ||
| 12 | Bonnet | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | ||
| 13 | Eyebolt nut | ASTM A181 | ASTM A181 | ASTM A181 | ||




