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flange butterfly valve
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Product Details
| Standard or Nonstandard | Standard | Structure | Butterfly | |
| Pressure | Medium Pressure | Power | Pneumatic | |
| Material | Alloy | Temperature of Media | Normal Temperature | |
| Media | Water | Port Size | 8.5-5496mm | |
| Place of Origin | Zhejiang, China | Model Number | AT040-AT280 | |
| Brand Name | ZhiTai |
Product Description
Specifications
pneumatic control valve actuatorDocument: ISO9001, CE certificate,ATEX/CE/MD/CQC.
flange butterfly valve
Standards
Design and Manufacture:API 609,MSS SP-67,MSS SP-68
Inspection and Test:API 598
End flange dimension:ASME B16.5(NPS≤24),ASME B16.47 B
BW end dimension:ASME B16.25
Face to face and end to end:API 609
Pressure-temperature ratings:ASME B16.34
Trait and purpose
Hard Seal Butterfly Valve triple offset series are our company’s leading products,
Which are used in such fields as metallurgy,light industry ,electric power, petrochemistry,
Coal gas channel etc.
The Seal principle of hard Seal Butterfly Valve triple offset
The Triple Offset Butterfly Valve Provides a bi-directional bubbletight shut-off.
This geometry ensures that the disc seal contacts the body seat only at the final shut-off
Position without rubbing or galling, providing atorque generated resilient seal with sufficient
“wedging” to ensure auniform seal contact.
Materials List (Triple Offset Butterfly Valve)
NO | Part Name | Materials | ||||
1 | Body | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF3 | ASTM A351 CF8M | ASTM A351 CF3M |
2 | Pin | ASTMA29-1035/A276 304 | ASTM A276 304 | ASTM A276 304L | ASTM A276 316 | ASTM A276 316L |
3 | Stem | 420/304/316 | 304 | 304L | 316 | 316L |
4 | Disc | WCB/CF8/CF8M | A351 CF8 | A351 CF3 | A351 CF8M | A351 CF3M |
5 | Seal Ring | 304/316+Graphite/PTFE | 304+Graphite/PTFE | 304L+Graphite/PTFE | 316+Graphite/PTFE | 316+Graphite/PTFE |
6 | Retainer Flange | A105/A182/F304/F316 | F304 | A182 F304L | A182 F316 | A182 F316L |
7 | Bolt | B7/B8/B8M | B8 | B8 | B8M | B8M |
8 | Bolt | B7 | B8 | B8 | B8M | B8M |
9 | Cover | A105 | A182 F304 | A182 F304L | A182 F316 | A182 F316L |
10 | Gasket | Graphite | Graphite | Graphite | Graphite | Graphite |
11 | Bushing | Luberized bronze 304 Nitriding | 304 Nitriding | 304L Nitriding | 316Nitriding | 316L Nitriding |
12 | Packing Seat | A105/304 | 304 | 304L | 316 | 316L |
13 | Packing | Graphite | Graphite | Graphite | Graphite | Graphite |
14 | Nut | A194 2H | A194 8 | A194 8 | A194 8M | A194 8M |
15 | Bolt | A193 B7 | A193 B8 | A193 B8 | A193 B8M | A193 B8M |
16 | Yoke | WCB | WCB Galvanization,CF8 | |||
Drive actuator | Hand actuator, Electric, Electric actuator, Worm gear actuator, Pheumatic actuator. | |||||
NOTE: The chart above only lists out some common composition of valve parts material
compositon according to the customer’s Request or the actual valve working condition.
Contact Us
- Zhejiang Zhitai Self-Control Valve Co., Ltd.
- Contact nameTom wang Chat Now
- Phone86-577-85988588
- AddressLongwan Centrial Zone, Wenzhou, Zhejiang
Product Categories
| Actuators-accessories | Ball valve | Butterfly valve | Control Valve |
| Electric Actuators | Hydraulic Actuators | New Products | pneumatic angle valve |
| Pneumatic Ball Valve | Pneumatic Butterfly Valve |
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