OS&Y,Rising stem,Flexible Wedge
Bolted Bonnet,Threaded or welded seat ring
ASTM A216 WCB,A217 WC6,A351 CF8,A351 CF8M,
A351 CF3,A351 CF3M,A351 CN7M
Standards compliance
Design and Manufacture:ANSIB16.34,API600 API6D,API603,BS1414
Face to face(end to end):ANSIB16.10,API6D
Flanged connection:2"~24"to ANSIB16.5,22",26"~36"to MSS-SP-44 to API605 on Request
Test and inspection:API598,API6D
Butt welded end:ANSIB16.5
A.Anti-friction ball thrust bearing:Reduces friction between mating parts to ensure smooth operation
B.Grub screw:Secures yoke nut in the bonnet
C.Grease nipple:Supplies lubricant to the mating parts
| Materials |
| NO. |
Part name |
Material |
| 19 |
Grease nipple |
Brass |
| 18 |
Grub screw |
Carbon steel |
| 17 |
Hand wheel nut |
Carbon steel |
| 16 |
Hand wheel |
Malleable lron/cast steel/ ducile lron/fabricated steel |
| 15 |
Yoke nut |
Carbon steel/SS |
| 14 |
Eye bolt and nut |
A 193 B7/A194 2H~A193 B8/A194 8 |
| 13 |
Pin |
Carbon steel/stainless steel |
| 12 |
Stem nut |
A 439-D2/cu-alloy |
| 11 |
Gland flange |
Carbon steel/equivalent to body material |
| 10 |
Gland |
Stain less steel |
| 09 |
Back seat |
Stain less steel |
| 08 |
Stem |
Stain less steel |
| 07 |
Seat ring |
CS+SS/SS/SS+STL |
| 06 |
Wedge |
Material see body |
| NO. |
Part name |
WCB |
LCB |
WC6 |
WC9 |
| 05 |
Bolt and nut |
A193 Gr B7/A194 Gr 2H |
A320 Gr L7/A194 Gr 4 |
A193 Gr B16/A194 Gr 4/7 |
A193 Gr B16/A194 Gr 4/7 |
| 04 |
Gland Packing |
Graphite |
Graphite |
Graphite |
Graphite |
| 03 |
Gasket |
Spiral wound/Soft lron |
Spiral wound/Soft lron |
Spiral wound/SS304 |
Spiral wound/SS304 |
| 02 |
Bonnet |
A216 Gr WCB |
A352 Gr LCB |
A271 Gr WC6 |
A271 Gr WC9 |
| 01 |
Body |
A216 Gr WCB |
A352 Gr LCB |
A271 Gr WC6 |
A271 Gr WC9 |
| NO. |
Part name |
C5 |
C12 |
CF8 |
CF8M |
| 05 |
Bolt and nut |
A193 Gr B16/A194 Gr 4/7 |
A193 Gr B16/A194 Gr 4/7 |
A193 B8/A194 8 |
A193 B8M/A194 B8 |
| 04 |
Gland Packing |
Graphite |
Graphite |
Graphite |
Graphite |
| 03 |
Gasket |
Spiral wound/Soft lron |
Spiral wound/Soft lron |
Spiral wound/SS304 |
Spiral wound/SS316 |
| 02 |
Bonnet |
A217 Gr C5 |
A217 Gr C12 |
A351 Gr CF8 |
A351 Gr CF8M |
| 01 |
Body |
A217 Gr C5 |
A217 Gr C12 |
A351 Gr CF8 |
A351 Gr CF8M |
on ~ larger valvers,the stem net with ball bearing reduces operating torque for easy manual operation.
Drawing
