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Diaphragm Valve

Your Professional Diaphragm Valve Supplier

 

Zhejiang Maikailun Automatic Control Valve Co., Ltd is a well recognized world leader and reliable manufacturer for pneumatic actuator and pneumatic valve in China.

 

Maikailun supplies pneumatic actuators and valve control accessories such as manual override, limit switch box, solenoid valve, filter regulator, valve position feedback device etc. Additionally, Maikailun provides professional valve automation solutions like pneumatic ball valve, pneumatic butterfly valve etc. for diverse applications.

 

The wide variety of actuators include stainless steel pneumatic actuator, P series rack and pinion actuator, P series scotch yoke pneumatic actuator, linear hydraulic actuator.

 

 
 

Why Choose us

 

 

Rich Experience

With over 20 years innovation and extensive industry experience, Maikailun provides first class products and services for customers worldwide.

 

24-hour online service

We are committed to providing round-the-clock online service, ensuring that all inquiries are promptly acknowledged and addressed within a 24-hour timeframe. This guarantees that you receive the necessary information and support in a timely and efficient manner.

 

Quality Assurance

We provide our customers with a 100% quality guarantee. In the event of any quality-related issues, we assume full responsibility and commit to resolving them promptly and effectively.

 

 

Parameter

 

Connection type

Flange, Thread

Pressure of work

1.0Mpa

Dimension standard

GB, BS, DIN, ANSI

Working temperature

-10~80℃

Valve Body Material

Ductile Iron, Stainless steel, UPVC, CPVC, PVDF, PPH

Diaphragm Material

EPDM/EPDM+F46/EPDM+PTFE

Size available

DN15-DN300

Actuator Material

Aluminium

Actuator type

Single acting(spring return, normally open and normally closed), Double acting

Actuator accessories

Solenoid valve, limit switch box, air regulator, positioner, manual override

 

Pneumatic Plastic Diaphragm Valve

 

Benefits of Diaphragm Valve

Hygienic Design
Prevents bacterial formation on fluid contact surfaces.

 

Durability and Longevity
Built to withstand corrosive and abrasive environments.

 

Leak-proof Performance
Flexible diaphragm ensures a perfect seal.

 

Easy Maintenance
Modular design simplifies cleaning and servicing.

 

Types of Diaphragm Valve
 
 

Manual diaphragm valves

These valves are operated manually, using a handwheel or lever to control the flow of materials.

 
 
 

Pneumatic diaphragm valves

These valves are operated using compressed air, which is used to control the position of the diaphragm.

 
 
 

Electric diaphragm valves

These valves are operated using an electric actuator, which is used to control the position of the diaphragm.

 

 

Precautions for the use of Diaphragm Valve

 

First of all, Regularly check the valve diaphragm for wear, aging, etc., if found that the problem should be replaced in time to avoid leakage or valve failure.

 

Secondly, To ensure that the valve operation can not be too frequent or excessive closure, so as not to cause damage to the valve components, affecting the normal use of the valve.

 

In addition, When adjusting the medium flow, it is necessary to gradually adjust the opening to avoid sudden adjustment of excessive medium impact and affect the service life of the valve.

 

In addition, The Diaphragm valve should also avoid overheating or overcooling the medium during use, so as not to cause damage to the valve material and reduce the durability of the valve.

 

Finally, For the Diaphragm valve that has not been used for a long time, it is recommended to carry out regular inspection and maintenance to ensure that the valve is in good condition.

 

Additional Information

 

Shipping

We offer various shipping methods, including sea freight, air freight, and express delivery, depending on the order size and destination.

Terms Of Payment

We usually accept T/T, L/C, Paypal, Credit card, etc. If you prefer other payments terms, please feel free to discuss with us.

 

 

FAQ

 

 

Q: Are diaphragm valves good for throttling?

A: The design of diaphragm valves allows them to be used in high-cycle applications without wear to their sealing surfaces. Because their open-to-close cycle is greater than 90 degrees, they can be used for more precise throttling than standard ball or butterfly valves.

Q: What is the life expectancy of a diaphragm valve?

A: In many nonsteam service applications, weir-style diaphragm valves may last as long as 40,000 cycles, but they fail quickly when placed in steam applications.

Q: What is the maintenance of a diaphragm valve?

A: Due to the existence of a diaphragm in this valve body structure, there are strict requirements in daily storage. The valve body must be placed in a dry and ventilated indoor, prevent the aging of the diaphragm caused by the damage of the valve body.

Q: When to use a diaphragm valve?

A: On the other hand, diaphragm valves find common use in corrosive and abrasive fluid applications. Their design for higher operating pressures lends to their use in industrial facilities and process applications. For instance, power plants and chemical industries usually use diaphragm valves.

Q: Are diaphragm valves bidirectional?

A: Diaphragm valves possess bidirectional flow capabilities, allowing them to actively control the flow of liquids or gases in both directions.

As one of the most professional diaphragm valve manufacturers and suppliers in China, we're featured by quality products and low price. Please rest assured to buy high-grade diaphragm valve in stock here from our factory.

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