Diaphragm Valve
A diaphragm valve is a type of valve that uses a flexible diaphragm to control the flow of fluids. The diaphragm, typically made of rubber, elastomers, or other flexible materials, acts as a barrier between the fluid and the valve's internal components. When the diaphragm is moved by an actuator (manual, pneumatic, or electric), it opens or closes the flow path.
Key Components Of Our Diaphragm Valve :
Diaphragm : The flexible membrane that seals off the flow passage. It is usually made from materials such as rubber, PTFE, or elastomers, which can resist corrosion and abrasion.
Body : The housing that contains the diaphragm and provides the valve with structure.
Bonnet : The upper part of the valve that houses the actuator and connects to the diaphragm.
Actuator : The mechanism (manual, pneumatic, or electric) that moves the diaphragm to open or close the valve.
Seat : The surface against which the diaphragm presses to create a seal when the valve is closed.
Working Principle :
When the actuator moves the diaphragm, it either presses down onto the seat to close the valve or lifts it off to allow fluid flow. The diaphragm creates a tight seal when closed, preventing leaks and ensuring precise control of the flow.
USES :
Chemical processing : Where the flow of hazardous or corrosive fluids needs to be controlled.
Water treatment : To regulate water flow in treatment systems.
Food and beverage : Where hygienic and sanitary valve operation is critical.
Pharmaceuticals : Where precise control and cleanliness are required.
Applications :
Water and wastewater treatment plants
HVAC systems
Oil and gas pipelines
Chemical plants
Food processing (for controlling the flow of liquids)
Advantages :
Leak-free sealing : The diaphragm provides an excellent seal, reducing the risk of contamination.
Corrosion resistance : The diaphragm material is resistant to a variety of chemicals.
Flow control : Offers excellent flow regulation, particularly in high-viscosity and slurry applications.
Minimal maintenance : Fewer moving parts mean reduced wear and easier maintenance compared to other valve types.
Specifications :
TYPE : Weir type bolted bonnet and straight through bore
SIZE : From 15 mm to 350 mm
PRESSURE RATINGS : ANSI Class 125,150
DESIGN, MFG STD. : BS 5156
MATERIAL OF CONSTRUCTION : CI/WCB/CF8/CF8M
DIAPHRAGM : Neoprene, EPDM, Natural
LINING : Natural, Ebonite, Neoprene, Butyl & Glass
Other Feature : Pneumatic Operation
END CONNECTIONS : screwed to BSP/NPT/Flanged to BS,ANSI
MFG CODE : BS-5156
