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

High-purity diaphragm valves and high-purity diaphragm valves feature an internal springless design, diaphragm-type hard sealing, and low leakage rate. They are suitable for high-purity applications and can be used in vacuum applications.

Imported high-purity diaphragm valves and high-purity diaphragm valves are designed with no springs inside, with a diaphragm type hard seal and low leakage rate. They are suitable for high-purity applications and can be used in vacuum applications

FeaturesFeature

All-metal shell, no packingAll metal shell, without packing

Soft stem tip with full surroundSoft stem tip with full surround

Aluminum piston accelerates the fast closing speed of the valveAluminum material piston accelerates the fast closing speed of the valve

Manual and pneumatic actuators

1. Manual actuators

A Round handle

Quick 1/4-turn operation

Handle with window provides intuitive indication of open and closed positions

Open position

Closed position

B Integral locking handle

Quick 1/4-turn operation

Can be locked in the safe closed position

Handle shape and window indicator provide intuitive indication of open and closed positions

2. Pneumatic actuators

Normally open, with a circular mark N.O. on the top of the cylinder

Normally closed, with a circular mark N.C. on the top of the cylinder

Technical specifications

316L stainless steel valve body

Suitable for ultra-high purity applications

Elgiloy diaphragm material, high strength, corrosion-resistant, long service life

Fully enclosed PCTFE seat design with superior resistance to swelling and contamination

Electropolished surfaces in contact with media, average roughness Ra 5 μin. (0.13 μm)

Helium leak test maximum leakage rate ≤1x10?? std cm3/s

Two valve types: low pressure and high pressure

Manual and pneumatic actuators

Aluminum piston accelerates the opening and closing speed of the valve

Can be used in vacuum applications

Specification: 1/4" to 1"

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

Pressure range: 3500 psi (240 bar), minimum working pressure: vacuum

Connection methods: Welding, threading, ferrules