Summary:
Soft seal center line wafer butterfly valve is double eccentric flange butterfly valve, its compact structure, 90° rotary switch easy, reliable sealing, long service life. It is widely used in water plant, power plant, steel plant, papermaking, chemical industry, diet and other systems in water supply and drainage, as a regulator and cut-off use.

Usage and Main features:
The product consists of rubber seal butterfly valve and carbon or stainless steel valve plate and stem. Applicable to the temperature is ≤80 ~ 120ºC food, medicine, chemical industry, petroleum, electric power, textile, paper and other water supply and drainage, gas pipeline for the regulation of flow and closure of the role of the media.

Main features:

1. the design is novel, reasonable, unique structure, light weight, quick opening and closing.
2. Small operating torque, convenient operation, labor-saving and dexterous.
3. It 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 two-way seal.
5. Sealing material aging resistance, weak corrosion resistance, long service life and other characteristics.

Metal hard seal butterfly valve has been widely used in food, beverage, medicine, petrochemical, power plant, steel plant, industrial environmental protection water treatment, high-rise building water supply and drainage pipeline and other pipelines for the adjustment of medium flow and opening and closing.

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
 

The Outline Dimension of D71X Soft Seal Wafer Butterfly Valve

 

The Outline Dimension of D371X Soft Seal Wafer Butterfly Valve


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.