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AV-4-S0393 Manual Diaphragm Tank Bottom Valve

Availability : In stock
Specification 1″–4″, DN25–DN100
Working Pressure Full Vacuum ~ 10 bar
Working Temperature -20℃ to +150℃
Diaphragm Materials EPDM+PTFE (dual layer) / EPDM / Silicone / FKM (Viton)
Connection Types Clamp, weld, thread; 3A, BPE, DIN, SMS, IDF, ISO

Manual Diaphragm Tank Bottom Valve Description

Manual Diaphragm Tank Bottom Valve is specially designed for installation at the lowest point of process and storage tanks, ensuring complete and reliable drainage of media. By positioning the valve directly at the tank bottom, it minimizes dead space and prevents residue accumulation, which is critical for maintaining hygiene and process efficiency.

Operated by a handwheel, the valve stem drives the diaphragm to open or close the flow path. When closed, the diaphragm provides a tight seal against the valve seat to prevent leakage. When opened, it allows smooth, unobstructed discharge of the medium. This design ensures safe, efficient, and contamination-free draining of liquids.

With its hygienic structure, corrosion-resistant materials, and easy-to-clean design, the Manual Diaphragm Tank Bottom Valve is widely used in pharmaceutical, biotechnology, food & beverage, and chemical industries where purity, safety, and reliability are essential.

 

Manual Diaphragm Tank Bottom Valve Specifications

Item Specification
Size 1″–4″, DN25–DN100
Pressure ≤10 bar (145 PSI)
Material ASTM 316L, 1.4404, 1.4435 NB2 (Fe < 0.5%)
Temperature Range -20℃ to +150℃
Connection Types Clamp, weld, thread; 3A, BPE, DIN, SMS, IDF, ISO
Diaphragm Materials EPDM+PTFE (dual layer) / EPDM / Silicone / FKM (Viton)
Certifications 3A-54-02/1580, PED 97/23 EC, FDA 177.2600

 

Manual Diaphragm Tank Bottom Valve Applications

Pharmaceutical industry – complete drainage of tanks and vessels while maintaining sterile conditions

Biotechnology – safe and precise media discharge in bioreactors and process tanks

Food & beverage processing – hygienic emptying of tanks containing liquids or semi-liquids

Chemical industry – controlled discharge of corrosive or sensitive fluids

Dairy industry – effective drainage of milk or other dairy products without residue

Cosmetic production – clean and efficient emptying of creams, gels, and liquid formulations

Laboratories & R&D – precise tank emptying in pilot plants or experimental setups

 

 

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