Triple Offset Butterfly Valve
1. Multi-layer sealing & Metal to metal sealing
2. Bi-directional & Uni-directional
3. Low opening torque
4. Friction free between seat and sealing
5. No over travel of the disc
Technical Parameters
|
Nominal Size |
2"~48"(DN50~DN1200) |
|---|---|
|
Nominal Pressure |
ASME 150LB to 900LB |
|
Applicable Temperature |
-46℃~300℃ |
|
Body Material |
WCB, CF8, CF8M, CF3, CF3M, LCB, Titanium, Monel, Hastelloy etc. |
| Design Standard |
API 609,EN 593, ASME B16.34 |
| Face To Face |
APl 609, ISO 5752, EN 558 |
| Flange End |
ASME B16.5, ASME B16.47, EN 1092 |
| Inspection And Test |
API 598, EN 12266, ISO 5208 |
| Mark |
MSS SP-25 |
Material list
| NO. | Part | Standard Material | Low Temperature Environment | Stainless Steel Material | Acidic Environment |
|---|---|---|---|---|---|
|
1 |
Body |
ASTM A216WCB |
ASTM A352 LCB |
ASTM A351 CF8M |
ASTM A216 WCB |
|
2 |
Stem |
ASTM A182 F6a |
ASTM A182 F316 |
ASTM A182 F316 |
ASTM A182 F6a NC |
|
3 |
Sealing gasket |
Graphite |
Graphite |
Graphite |
Graphite |
|
4 |
Lower bearing sleeve |
Self-lubricating bearing |
Self-lubricating bearing |
Self-lubricating bearing |
Self-lubricating bearing |
|
5 |
Lower cover |
ASTM A105N |
ASTM A350 LF2 |
ASTM A182 F316 |
ASTM A105N |
|
6 |
Dished plate |
ASTM A216WCB |
ASTM A352 LCB |
ASTM A351 CF8M |
ASTM A216 WCB |
|
7 |
Sealing ring |
SS316+Graphite |
SS316+Graphite |
SS316+Graphite |
SS316+Graphite |
|
8 |
Flap cover |
ASTM A182 F316 |
ASTM A182 F316 |
ASTM A182 F316 |
ASTM A182 F316 |
|
9 |
Bolt |
ASTM A193 B7 |
ASTM A320 L7 |
ASTM A193 B8 |
ASTM A193 B7M |
|
10 |
Bolt |
ASTM A193 B7 |
ASTM A320 L7 |
ASTM A193 B8 |
ASTM A193 B7M |
|
11 |
Pin |
ASTM A182 F6a |
ASTM A182 F316 |
ASTM A182 F316 |
ASTM A182 F6a NC |
|
12 |
Upper bearing sleeve |
Self-lubricating bearing |
Self-lubricating bearing |
Self-lubricating bearing |
Self-lubricating bearing |
|
13 |
Packing |
Graphite |
Graphite |
Graphite |
Graphite |
|
14 |
Packing gland |
ASTM A216WCB |
ASTM A352LCB |
ASTM A351CF8M |
ASTM A216WCB |
|
15 |
Nut |
ASTM A1942 H |
ASTM A194 7 |
ASTM A194 8 |
ASTM A194 2HM |
|
16 |
Spring washer |
AlSI 1566 |
AISI 1566 |
Stainless steel |
AISI 1566 |
|
17 |
Stud |
ASTM A193 B7 |
ASTM A320 L7 |
ASTM A193 B8 |
ASTM A193 B7M |
|
18 |
Prop up |
AISI 1020 |
AISI 1020 |
Stainless steel |
AlSI 1020 |
|
19 |
Nut |
ASTM A194 2H |
ASTM A194 7 |
ASTM A194 8 |
ASTM A194 2HM |
|
20 |
Spring washer |
AISI 1566 |
AlSI 1566 |
Stainless steel |
AlSI 1566 |
|
21 |
Stud |
ASTM A193 B7 |
ASTM A320 L7 |
ASTM A193 B8 |
ASTM A193 B7M |
|
22 |
Worm gear |
Module |
Module |
Module |
Module |