diaphragm flow control valve

316L Stainless Steel Sanitary Tank Bottom Diaphragm Valves With Butt Weld Connection

Surface Treatment

We offer the following processes to choose:

1. Mechanical Polishing (MP) to improve brightness (gloss, matte)

2. Acid Cleaning for Anti-corrosion

3. Electrolysis Polish (EP) to improve surface smoothness

4. Custom Process: Bright Annealing treatment eliminate strees to improve toughness

Product Description:

The sanitary tank bottom diapharagm valves are used for medium draining and sampling in hygienic industries such as pharmacy, biotechnology, fine chemical, food, beverage, and so on. They are usually installed at the bottom of a hygienic tank or vessel, with 10 to 30 degrees angle against horizontal level, in order to have perfect self draining function without any fluid retention or leakage.

APPLICATION

Diaphragm valve,manually or pneumatically operated,and specifically designed for for using on hygiene and
aseptic processes in the pharmaceutical industries. The valve is excellent for flow control as well as for open
and close duties. The diaphramg valve are better in feature of flow in comparison with other valves, it is easier
to clean up and better to process the substance with particles,the phenomenon of air pocket is rare during
application of flow control.


OPERATING PRINCIPLES

The diaphragm provides the body seal as well as the seat seal.There are no paths to the outside environment
so it suitable for aseptic processes. When the valve is closed a pressure pad which supports the diaphragm
moves towards the sealing face on the body.When the pressure plate moves the diaphragm flexes and is forced down onto the seat area in the centre of the body,thus, closing off the flow path through the body.The
inter relationship of body to the pressure plate prevents over compression of the diaphram.The valve can be manual operation and pneumatic operation control tops of solenoid valves.

Advantages:

• Manual turning knob operation saves much cost
• Hygienic design and adoption of aseptic material to meet sanitary industries
• Surface finely finished by EP to reach roughness Ra<0.5μm
• Intelligently designed without dead leg, retention or leakage
• Strong self cleaning and automatic draining ability

Benefits from Butt Weld Connection End

• Butt welded to the tank bottom, to eliminate leakage and dead area
• Firm and strong connection with pipes, once for all
• Simple connection tehcnique, low cost
• Standard butt weld end dimension to match with most of pipe sizes

Specifications:

Configuration: