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Pneumatic flange ball valve

  • [valve model]: Q641F,Q641H
  • [diameter specification]: DN15~DN300
  • [structural form]: Floating through type
  • [valve body material]: Cast steel WCB, stainless steel 304, stainless steel 316
  • [nominal pressure]: PN16、PN25、PN40、PN64
  • [applicable temperature]: -40~450℃
  • [application scope]: Corrosion of oil, gas, gas, etc
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  •  Pneumatic flange ball valve

Product features

Pneumatic flange ball valve has the characteristics of fast switching speed, large flow capacity and good sealing performance. It is composed of flange type ball valve and pneumatic actuator. According to different action forms, it can be divided into switch type and adjustment type. When the pneumatic flange ball valve is opened, the valve channel and the connecting pipe diameter form a through port, and the medium can flow through without resistance. In addition to oil, gas, liquid and other media, it is also suitable for controlling sewage and medium containing fibrous impurities. Pneumatic flange ball valve is equipped with valve positioner to input 4-20mA analog signal, which can control the valve core opening of ball valve from 0 to 90 degrees, so as to achieve the proportional adjustment of medium flow, temperature, pressure and other parameters.
 
Advantages of pneumatic flange ball valve:
1. According to the working conditions, the pneumatic flange ball valve can be divided into soft seal (- 30 ~ 180 ℃) and hard seal (- 40 ~ 450 ℃), so as to be used in different media, temperature and pressure.
2. The power source of pneumatic flange ball valve is gas, which will not contact with sparks. Theoretically, it has explosion-proof function and is relatively safe. And if there is air leakage, the gas can be directly discharged, no pollution to the environment, at the same time, it has high safety.
3. From the perspective of valve diameter, due to torque force, manual ball valve can only be equipped with ball valve with diameter below DN300, while pneumatic flange ball valve can be configured with a wide range of diameters, including not only small diameter ball valve, but also large diameter ball valve. At present, the maximum diameter of pneumatic ball valve can reach DN 1200.
Optional accessories for pneumatic flange ball valve:
Triplet: it can stabilize the air source, filter and add lubricating oil to the cylinder
Feedback device: also known as limit switch, remote feedback switch signal (explosion proof optional)
Solenoid valve: two position five way for double action and two position three-way for single action (explosion-proof optional)
Positioner: input 4 ~ 20mA signal to realize valve regulation function
Manual mechanism: manual operation mechanism, which can open or close the valve manually
Adjustable accessories: Electric positioner, pneumatic positioner and electric converter.
Cut off type accessories: single electric control solenoid valve, double electric control solenoid valve, limit switch feedback device.

Structural drawing of pneumatic flange ball valve

technical parameter

Nominal diameter DN15~DN300(mm)
Nominal pressure PN1.6 two point five four six point four 10.0 MPa
Connection mode Flange connection
Driving form Compressed air 4-7bar (with manual device)
temperature range
Soft seal: - 30 ~ 180 ℃; hard seal: - 40 ~ 450 ℃
Range of motion 0~90°
body material Carbon steel, stainless steel 304, 316 、316L
Applicable media Water steam , liquid Oil products , corrosive media, etc
control mode Switch off type, regulating type (positioner 4-20mA analog signal)
Form of action Single action Spring return (normally open, normally closed), double acting (air on, air off)

Quotation process

Valve price:

Due to the different requirements of order quantity, packaging and delivery mode, as well as the fluctuation of valve raw material price, the valve price will be greatly different. Therefore, the price of our products is not indicated on the website. Please understand.

If you select a valve product on this website, if you need to know the price or ask for relevant technical information, please contact us. We will reply immediately, and according to your requirements, we can select the right valve products for you, so that your purchasing process is easy and pleasant.

Quotation process:

1. Please fax the name (or product model) of the valve you selected, the required order quantity, packing requirements, delivery time, your company name, location and contact information of your company to 021-36311208 Or telephone number: 021-60547555。

2. After receiving the customer's purchase list, our company will provide customers with valve quotation "price list", model selection "valve model" and technical guidance as soon as possible.

3. Specific matters to be agreed: delivery time, special requirements, etc.

Ordering instructions

1、 If the customer has special requirements for the product, the following instructions shall be provided in the order contract:
(1) Valve body material (such as: plastic, cast steel, stainless steel...)
(2) Connection type (e.g. flange, thread, clamp...)
(3) Nominal diameter, pipe size
(4) Ambient temperature and pressure range
(5) Supply voltage, air pressure
(6) Fluid properties (including nominal pressure, temperature, viscosity or acidity or alkalinity)
2、 The company configures all kinds of driving devices according to the special requirements of customers. (electric control, pneumatic control)
3、 If the customer provides the determined valve type and model, the customer shall correctly explain the meaning and requirements of the valve model (for details, refer to the description of valve model preparation), and sign the contract under the condition that both parties understand and agree.
4、 After the customer tells the required valve model, specification, quantity and delivery time and place, 20% of the total amount of deposit or full payment shall be timely remitted to our company's account, and the rest shall be remitted before delivery, so as to arrange delivery in time.
5、 After confirming the purchase, our company carries on the production in strict accordance with the delivery date. According to the different types and quantities of orders, the product processing cycle is generally 3 to 30 days, and the specific delivery time is subject to the contract. In order to ensure that the goods you ordered are in place in time, please order as early as possible.
6、 According to the needs of customers, our company provides network distribution services, delivering goods to the branches (offices) in major cities, and providing door-to-door delivery service. After the product acceptance, our company will provide after-sales service.