Brand: RETZ/ We have been committed to continuous innovation in the field of fluid control since 2005...

The pneumatic ultra-pure diaphragm valve has a small internal volume, allowing complete cleaning of the flow channel with minimal particle generation and dead zones. The fully enclosed valve seat design offers superior resistance to expansion and contamination. With high-speed switching, it boasts a long cycle life and can be fully used under vacuum.

The internal volume of the pneumatic ultra pure diaphragm valve is small, which can completely clean the flow channel and rarely produce particles and dead zones. The fully enclosed valve seat design has superior anti expansion and anti pollution capabilities. Under high-speed switching, it has a long cycle life and can be used completely under vacuum

Imported pneumatic ultra-pure diaphragm valves have a small internal volume, enabling complete cleaning of the flow channel with minimal particle generation and dead zones. The fully enclosed valve seat design provides excellent resistance to expansion and contamination. With high-speed switching, it offers a long cycle life and can be fully used under vacuum.

If you have any requirements, such as "I want this type of diaphragm valve!" or "I want to use it for this fluid!"

In the field of imported pneumatic ultra-pure diaphragm valves, the following brands are highly recommended for their outstanding performance and market reputation in high-purity applications (such as semiconductors, biopharmaceuticals, food and beverages, etc.). Imported quality: Swagelok (USA), RETZ (USA), FUJIKIN (Japan), GEMU (Germany). These brands adhere to high process standards, provide accurate parameters, and offer reliable products.

Features

Suitable for ultra-high purity and high-cleanliness applications;

316L stainless steel material improves weldability and corrosion resistance;

Elgiloy diaphragm material offers high strength, corrosion resistance, and long service life;

Two valve types for low and high pressure;

Diaphragm-type hard seal with low leakage rate;

Knob with switch indicator window;

Connection types: VCR interface, ferrule tube welding interface, ferrule interface;

Fully enclosed PCTFE valve seat design provides excellent resistance to expansion and contamination;

Electropolished surfaces in contact with media, with an average roughness Ra of 0.2 μm;

Multiple handle styles and colors available;

Superior resistance to expansion and contamination, minimal particle generation;

Completely cleanable flow channel;

Operating Conditions and Characteristics:

Maximum working pressure: 3500 psi (240 bar) for pneumatic and manual;

Minimum working pressure: Vacuum;

Operating temperature: -40°C to 65°C (-40°F to 150°F);

Flow rate: Cv=0.16;

Maximum leakage rate;

Body leakage rate: 1×10 atm cc/sec He;

Valve seat leakage rate: 4×10 atm cc/sec He;

Design verification: 150% of maximum working pressure;

Design burst pressure: 400% of maximum working pressure;

Body: 316L;

Valve seat: PCTFE, Vespel;

Diaphragm: Elgiloy;

Specification: 1/4" to 1"

Applicable Temperature: -40°C to 65°C (-40°F to 150°F)  

Connection Method: Welding, threading, ferrules