pneumatic actuated diaphragm valve

Max working pressure : EPDM diaphragm 10bar, PTFE diaphragm 8bar
Max working temperature: 150°C
Pressure supply: 5.5bar
Diaphragm Material : EPDM,EPDM+PTFE
Body: WCB, SS316,SS316L
Ends: Flange
Size: 1/2″ – 10″ (15mm – 250mm)
End connections:
ASME B16.34 class 150、ASME B16.34 class 300
DIN PN16、PN20
JIS 10K、20K







    Description

    pneumatic actuated diaphragm valve

    The pneumatic actuated diaphragm valve is a state-of-the-art fluid control solution designed to deliver exceptional performance and reliability in a wide range of industrial applications. This versatile valve features a unique diaphragm design that provides excellent leak-tightness, ensuring consistent and accurate flow control even under high-pressure conditions.

    The pneumatic actuator integrated into the valve offers precise control over valve opening and closing, making it an ideal choice for critical flow control applications where accuracy and responsiveness are paramount. Additionally, the valve’s modular design allows for easy maintenance and replacement of components, reducing downtime and ensuring long-lasting performance.

    Constructed from high-quality materials, the air actuated diaphragm valve is suitable for use in various industries, including chemical processing, water treatment, pharmaceuticals, and semiconductor manufacturing. Its robust construction and superior control capabilities make this valve an essential component in any advanced industrial fluid control system.

    Experience unparalleled performance, reliability, and ease of use with the actuated diaphragm valve – a top-tier solution for all your fluid control needs.

    Description
    Max working pressure : EPDM diaphragm 10bar, PTFE diaphragm 8bar
    Max working temperature: 150°C
    Pressure supply: 5.5bar
    Diaphragm Material : EPDM,EPDM+PTFE
    Body: WCB, SS316,SS316L
    Ends: Flange
    Size: 1/2″ – 10″ (15mm – 250mm)
    End connections:
    ASME B16.34 class 150、ASME B16.34 class 300
    DIN PN16、PN20
    JIS 10K、20K

    Pneumatic Actuator
    Control: Double acting,
    Single acting normally closed
    Single acting normally open
    Pneumatic accessories: Solenoid valve, limit switch box , filter, E/P positioner, hand wheel

    ptfe seat rubber lined pneumatic diaphragm valve

     

    ptfe seat rubber lined pneumatic diaphragm valve


    FAQs

    What are the types of diaphragm valves?

    Diaphragm valves are a type of valve that consists of two or three parts: the body, the diaphragm, and the closure. These components work together to control and regulate fluid flow.

    The most common types of diaphragm valves are compression-seal, flanged end connection, non-metallic lined valve, sanitary valve, and butterfly valve. Compression-seal diaphragms are used in applications where tight shutoff is required with wet or dry service. This kind of diaphragm is also ideal for corrosive services because it uses a Soft Seat instead of metal-to-metal contact points which can leak in these kinds of services. Flanged end connections use metal threading that fits perfectly into pipe ends to create an effective seal with no leakage worries. Nonmetallic lined valves provide excellent corrosion protection and resistance from chemical degradation as they’re made from plastic or rubber liners that protect the internal parts from chemical attack. Sanitary valves have higher sealing requirements than other types; this makes them perfect for hygienic applications such as food processing plants where high standards need to be maintained. Finally, butterfly valves are primarily designed for fast opening/closing duties; their disc shape allows them to quickly open/close when needed without having to turn any lever handles like other types would require you to do so!

    Overall each type has its own unique application benefits depending on your process needs because ultimately not all processes require the same features! It’s important that you assess your process needs prior committing yourself with one type above another in order ensure successful operation over time without any unplanned maintenance costs due too wrong choice selection at the beginning stage!

    What are diaphragm valves?

    Diaphragm valves are valve mechanisms commonly used for isolating and controlling the flow of fluids in industrial processes. They consist of a valve body, a seat, an elastomeric diaphragm and the actuator that drives the diaphragm up and down to open or close the valve. The combination of these components make it possible for these valves to be ideal solutions when dealing with sensitive, viscous, or corrosive media.

    The main working principle behind diaphragm valves is based on different types of motion generated by different actuators such as hydraulic pressure, electric motors/servo-motors etc., which drive the movement of a flexible membrane that opens/closes against a disc (or seat) present inside the valve body. This generates an almost instant response when compared to other traditional valves like gate and globe valves whose operation requires more time for opening/closing due to their wedging action between their movable parts (discs/seats).

    Diaphragm Valves offer many advantages over traditional design alternatives such as superior sealing performance because they do not require packing between sealing surfaces & have longer service life than other designs due to its inherent low torque requirement resulting in less wear & tear over time; it also offers significant savings in space due its compact design which enables easier installation onto process systems; further cost savings can be achieved with this particular type of control valve due to having fewer moving parts compared to others resulting in reduced maintenance costs in addition it provides better temperature compensation characteristics both during startup & shutdown operations. Additionally this type of control mechanism can operate at very low pressures without experiencing any loss in flow rates – which makes them ideally suited for applications where differential pressures are extremely low or even equal zero (i.e gauge pressure).

    What are the advantages of diaphragm valves?

    Diaphragm valves are a type of valve used widely in many industries due to their numerous advantages. They come with several essential features that make them ideal for the majority of applications such as water, food, medical and chemical processing.

    First off, diaphragm valves provide tight shut-off capabilities and do not require any lubricants or gaskets for a proper seal. This means that they are very effective at preventing backflow and unlikely to be damaged by debris buildup or corrosion. Additionally, they have an ease-of-maintenance design which makes it simpler to replace defective components without having to overhaul the system.

    They also offer superior flexibility compared to other types of valves thanks to their ability to accommodate different materials (stainless steel, nylon reinforced rubber etc.) and interchangeable actuators (manual handwheel, electric actuator etc.). This allows you to customize your system’s performance depending on the task at hand while still maintaining a cost-effective solution since spare parts can often be interchanged between systems if needed.

    Furthermore, diaphragm valves boast excellent flow characteristics owing primarily due its simple internal mechanism; it uses a flexible membrane coupled with spring force rather than moving mechanical parts – meaning no accumulation over time from wear & tear associated with conventional gate/globe style choices making them more reliable overall in critical situations where continuity is key – such as venturi systems and process control devices requiring quick opening/closing cycles like when purging pipelines during routine maintenance activities quickly & safely without worries about leakage or contamination issues from stuffing box area related issues being overlooked during inspections / safety audits etc..

    How do diaphragm valves work?

    Diaphragm valves are a type of shut-off valve used in industrial applications to control the flow of pressurized liquids or gases. They operate by controlling the position of a flexible rubber diaphragm that moves up and down depending on the pressure difference between two ports inside the valve. The diaphragm acts as a barrier that prevents fluid from passing through its tightly sealed seat, allowing for precise regulation and control over fluid flow.

    To open a diaphragm valve, actuating forces like an electric motor, solenoid, hydraulic piston, handwheel or pneumatic actuator trigger downward movement within the valve assembly which is transmitted to the upper side of the diaphragm. Since it is pushed downwards with each actuation force pulse, pressure builds up beneath it causing it to move away from its seat thus opening up gap for fluid to flow through until equilibrium is reached between port pressures either side of the diaphragm. Conversely, closing off occurs when at least one port has greater pressure than another; this results in an upward movement on either side of the diaphragm towards its seat which blocks off any further passage.