Product

Wafer Butterfly Valves,high performance

Short Description:

Casting butterly valves

1- Casting Carbon Steel,Stainless Steel,Duplex,Special Materials

2- Wafer Type

3- Metal seated and Soft Seated

4- 150Lb & 900Lb

5- 2”~36”

Wafer butterfly valves have become increasingly popular in recent years due to their compact design and cost-effective nature. These valves are similar to flanged butterfly valves, but instead of being installed between flanges, they are mounted between two pipe flanges in a pipeline. This allows for easy installation and removal of the valve without the need for extra pipe sections.

Wafer butterfly valves are designed with a slim profile, which makes them perfect for use in applications where space is limited. They have a flat face on each end and are held in place between two pipes with bolts, nuts, and gaskets. Wafer butterfly valves are available in manual, electric and pneumatic operation options which makes them versatile for a range of applications.

The construction of a wafer butterfly valve consists of a disc that rotates around a central stem. The disc and stem are housed in a body that is designed to allow the disc to rotate freely when operated. The disc is faced with rubber or synthetic materials to ensure a tight seal when the valve is closed. The valve body can be made of various materials, including cast iron, stainless steel, PVC or HDPE. As with flanged butterfly valves, the selection of the body material and facing material should be made based on the specific requirements of the application.

Wafer butterfly valves are commonly used in applications with high flow rates, low-pressure drops, and temperatures up to 200 degrees Celsius. They are ideal for use in applications such as water treatment, food and beverage processing, HVAC systems as well as chemical and pharmaceutical industries.

In conclusion, wafer butterfly valves have become popular for their compact design, low cost, and versatile applications. They provide efficient flow control with minimal pressure drops and require minimal space, making them ideal for applications where space is limited. The selection of the right valve for the specific application is crucial for optimal performance, reliability and a safe operation.


Product Detail

Product Tags

Product Description

Product description

Triple-eccentric,Double-eccentric,Centreline butterfly valve

Model

Wafer type

Nominal diameter

NPS 2”~36”(DN50~DN900)

Operating temperature

-196℃~593℃

Nominal pressure

CLASS 150~900 (PN20~PN150)

Material

A216 WCB、WCC; A217 WC6、WC9、C5、C12、C12A、CA15; A351 CF8、CF8M、CF3、CF3M、CF8C、CN3MN、CK3MCUN、CN7M; A352 LCB、LCC;A494 CW-6MC、CU5MCuC、M35-1;A890 4A(CD3MN)、5A(CE3MN)、6A(CD3MWCuN); ASME B 148 C95800、C95500

Design standard

API 609、ASME B16.34

Structural length

ASME B16.10、GB/T 12221

Connecting end

ASME B16.5、ASME B16.47、ASME B16.25、GB/T 9113

Test standard

API 598、ISO 5208、GB/T 26480、GB/T 13927

Operation method

Handle, gearbox, electric actuator, pneumatic actuator

Application fields

Used as control and cut-off equipment for smelting, chemical engineering, sewage engineering, environmental protection system and control subsystems of water plant, power plan and steel plant.

Other remarks1

Compact structure, easy installation and disassembly, repair friendly and light weight

Other remarks2

It has a certain adjustment capability, and can be used as a control valve.

Other remarks3

With the triple-eccentric structural design, the sealing face is separated as soon as opening, so the mechanical wearing and friction between two sealing faces is eliminated during the opening and closing of butterfly plate, the operation torque is lowered, and the service life is longer.

Other remarks4

Good sealing performance of zero leakage.

Other remarks5

Wide range of application - triple-eccentric metallic sealing butterfly valves have a wide range of temperature, pressure and diameter.

The structure of double offset rubber seal

1- The soft seal design of the double offset rubber sealed butterfly valve gives it zero leakage performance.

2- The double offset rubber sealed butterfly valve can get the disc detached from the seat quickly when the valve is opened,greatly eliminating the unnecessary over-extrusion and scraping between the disc and the seat,reducing the opening resistance torque as well as the wear,and increasing the seat life.

3- The seat design of the double offset rubber sealed butterfly valve adopts differenct non-metallic materials according to different customers to meet different working conditions.

4- The external blow-out proof stem of the double offset rubber sealed butterfly valve is safe and reliable.


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