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Pneumatic three piece ball valve

  • [valve model]: Q611F,Q611H
  • [diameter specification]: DN15~DN100
  • [structural form]: Floating through type
  • [valve body material]: 304, 316L stainless steel
  • [nominal pressure]: PN10、PN16、PN25、PN40、PN64
  • [applicable temperature]: -40~425℃
  • [application scope]: Steam, gas, liquid, oil, corrosive medium
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  •  Pneumatic three piece ball valve

Product features

Pneumatic three piece ball valve is composed of three piece ball valve and pneumatic actuator. It is composed of left and right valve body and middle valve body. It is connected by bolts. It has the advantages of simple disassembly and repair. The pneumatic three piece ball valve can be divided into double acting and single acting according to the action form. The single acting type has the function of spring return, which can automatically return to the open or closed state in case of failure or no air source. Pneumatic three piece ball valve uses compressed air as the power source to drive the valve core to do 0-90 degrees of back and forth rotation, which can realize the opening and closing action of the valve. It is widely used in various industries and is a common control valve.
 
Advantages of pneumatic three piece ball valve:
 
1. It adopts three-stage valve body with threaded connection, compact structure and light weight. It can be applied from high vacuum to high pressure.
2. Compact shape, saving installation space, especially suitable for small mechanical volume and narrow space.
3. The screw thread three piece pneumatic ball valve has reliable sealing, long service life, quick switch action, convenient maintenance and disassembly.
Pneumatic three piece ball valve parts material:
Left and right: valve body WCB, CF8, CF8M, cf3m
Valve seat: PEFE, ppl, 304, 316
Sphere: WCB, CF8, CF8M, cf3m
Seal ring: PTFE, metal hard seal
Middle valve body: WCB, CF8, CF8M, cf3m
Stem: 2cr13304, 316, 316L
Packing gland: WCB, CF8, CF8M, cf3m
Optional accessories: limit switch, positioner, solenoid valve, pressure reducing valve

technical parameter

Nominal diameter DN15~DN100(mm)
Nominal pressure PN1.0、1.6、2.5、4.0、6.4MPa
Connection mode Internal thread
Air source drive Compressed air 4-6bar (with handwheel)
temperature range
Soft seal: - 30 ~ 180 ℃; hard seal: - 40 ~ 425 ℃
Valve body structure Three piece ball valve (opening optional)
sealing material Polytetrafluoroethylene (f), para polyphenylene (PPL), metal hard seal (H)
Applicable media Gas Liquid, oil , corrosive media, etc
body material 20ma-4 switch, control mode
 
Three piece ball valve and one piece, two piece difference:
 
One piece ball valve is one-piece, which is fixed by a plug. It belongs to integral valve body and is often used for small size valve.
The two-piece ball valve is composed of two parts. It is fixed by two pieces of valve body, and the maintenance is relatively complicated. The tightness of the middle screw is very important, which is related to the possibility of leakage.
The three piece ball valve is composed of left and right valve bodies and the middle valve body, which is clamped by the neck flange on both sides. The pressure of the three piece ball valve is higher than that of the other two kinds of ball valves.
In general, the inner wire ball valve usually uses one or three pieces, while the three piece ball valve is generally cast valve, and the two piece valve is mostly used for flange valve.

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. 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) For example, flange connection
(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. 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. Please make sure that the order is in time for you.
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.