Gb Flange, Wafer Butterfly Valve(Metal Seat, Soft Seat)
Design standards
• Design and manufacturing specifications: API6D/BS 5351/ISO 17292/GB 12237
• Structure length: API6D/ANSIB16.10/GB 12221
• Test and Inspection: API6D/API 598/GB 26480/GB 13927/ISO 5208
Performance Specification
• Nominal pressure: （1.6-10.0）Mpa，（150-1500）LB,10K/20K
• Strength test:PT1.5PNMpa
• Seal Test: PT1.1PNMpa
• Gas seal test: 0.6Mpa
Product Structure
ISO Law Mount Pad
ISO High Mount Pad
main parts and materials
|
Material Name |
Carbon steel |
Stainless steel |
|
|
Body |
WCB、A105 |
CF8、 CF3 |
CF8M、CF3M |
|
Bonnet |
WCB、A105 |
CF8、 CF3 |
CF8M、CF3M |
|
Ball |
304 |
304 |
316 |
|
Stem |
304 |
304 |
316 |
|
Seat |
PTFE、RPTFE |
||
|
Gland Packing |
PTFE/ PTFE / Flexible Graphite |
||
|
Gland |
WCB、A105 |
CF8 |
|
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