NBR/EPDM/PTFE/Viton Seal Wafer Type Butterfly Valve
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Product Details
| Customization: | Available |
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| Media: | Water/Gas/Oil |
| Driving Mode: | Manual/ Worm Gear |
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Basic Info.
- Model NO.
- D71F/D371F
- Connection Form
- Wafer
- Structure
- Centre Sealing
- Seal Form
- Supercharging Pressured Sealed
- Valve Stem
- Normal
- Work Pressure
- Mid-Pressure (2.5mpa< Pn <6.4mpa)
- Working Temperature
- Normal Temperature (-40°C<T<120°C)
- Material of Seal Surface
- Soft Sealed
- Valve Body
- Casting
- Standard
- ANSI; JIS; DIN
- Application
- Industrial Usage, Water Industrial Usage
- Certification
- Ce; Sil2; ISO9001; Atex
- Transport Package
- Wooden Packing
- Specification
- DN50-2000
- Trademark
- ZT
- Origin
- Wenzhou, China
Product Description
NBR/EPDM/PTFE/VITON Seal Wafer Type Butterfly Valve
Usage and Features
The product is composed of PTFE sealed butterfly valve and stainless steel disc and stem. Suitable for temperature ≤150ºC, weak corrosion or cleanliness conditions with certain requirements, in food, medicine, chemical industry, petroleum, electric power, textile, papermaking, and other water supply and drainage, gas pipeline flow regulation and closure of the role of media.
Main features:
1. The design is novel, reasonable, unique structure, lightweight, quick opening, and closing.
2. Small operating torque, convenient operation, labor-saving and dexterous.
3. Can be installed at any location, easy maintenance.
4. The seal can be replaced, and the sealing performance is reliable to achieve zero leakage of the two-way deal.
5. Sealing material aging resistance, corrosion resistance, long service life, and other characteristics.
Standard
Design standard: GB/ T2238-1989
Flange connection size :GB/ t9113.1-2000; GB/T9115.1-2000; JB78
Structural length :GB/ T12221-1989
Pressure test :GB/ T13927-1992; JB/T9092-1999
| Main Technical Parameters | ||||
| Nominal diameter | DN(MM) | 500-2000 | ||
| Nominal pressure | PN(MPa) | 0.6 | 1.0 | 1.6 |
| Test pressure | Strength test | 0.9 | 1.5 | 2.4 |
| Seal test | 0.66 | 1.1 | 1.76 | |
| Gas seal test | 0.6 | 0.6 | 0.6 | |
| Medium | Air, water, sewage, steam, gas, oil, etc. | |||
| Driving | Manual, worm gear transmission, gas transmission, electric transmission. | |||
| The Material of Main Parts | |
| Parts | Material |
| Body | Ductile iron, cast steel, alloy steel, stainless steel |
| Disc | Cast steel, stainless steel, and special materials |
| Seal ring | NBR/EPDM/PTFE/VITON |
| Stem | 2Cr13, Stainless steel |
| Packing | O-ring, flexible graphite |
| Material selection and Applicable temperature |
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Main Outline and Dimension(D71F-6/10/16)
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| Main Outline and Dimension(D371F-6/10/16) |
Machining Process
Company Introduction
Zhitai Valve Co., Ltd is a member of Valve Association of Longwan District, is located in Longwan Central Industrial Zone, Wenzhou City. It'a professional technology company integrated with development, manufacturing, sales, and after-sales services of valve actuators and and self-controlled valves. Presently, our main products include: pneumatic actuators, pneumatic valves and pneumatic control valves; electric actuators, electeic valves and eletric control valves; automatic control products. Our products are widely applied in natural gas, electricity, petroleum, chemical, metallurgical, construction, pharmacy, paper, printing and dying. Zhitai series actuators and valves are the best choice for automatic fluid control engineering and equipment manufacturing. We sincerely welcome customers from home and abrode to visit us for supervision, communication and cooperation. It's a great honor for us to cooperate with you.
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