Stainless Steel Aseptic Pneumatic Diaphragm Valve with EPDM Membrane

Sanitary Mini Diaphragm Valves with Tri-clamp Ends, Pneumatic Type
Application
DEYI diaphragm valve series is a pneumatictype sanitarydiaphragm valve with compact design. The valve is excellent for flow control as well as for open/close duties. It is mainly used for sampling, biological system, laboratory engineering, etc.
Specification
Mini type sizes available: 1/4"-4", DN6-DN100
Valve body: AISI 316L.
Valve seat: EPDM+PTFE
Max. working pressure:Normally closed EPDM87psi (6bar), PTFE 65psi (4.5bar) as default,Normally closed EPDM116psi (8bar), PTFE87psi (6bar) as optionNormally open and double action EPDMEPDM116psi (8bar), PTFE87psi (6bar)
Actuatorcan withplastic material or pure stainless steel material, NC/NO/AA type for choose from
Air supply port: M6
Working temperature range: -22 ~ 266°F (-30 ~ 130°C) or higher upon request
Inside treatment: Ra 16-32μin (0.4-0.8μm), Ra 25 (0.5μm) is the default.
Options
End connection can be butt-welded, sanitary tri-clamp.
Diaphragm can be pure EPDM or EPDM+PTFE
Inside surface treatment can be Ra 16μin (0.4μm).
The mini diaphragm valves can be with plastic pneumatic actuators or pure stainless steel actuators as below photos show, actuators can be NC/NO/AA operated for choose from NC operated: normally closed (fail closed)---air to open, spring to close NOoperated: normallyopen(fail open)---air toclose, spring toopen AAoperated: double acting---airtoopen,air toclose
Technical Parameters:
Steel material
Product wetted steel parts
AISI 316L
(1.4404)
Provided with material inspection report
Other steel parts
AISI 304
Seal material
Standard
EPDM+PTFE
All seal materials comply with FDA 21CFR117.2600
Options
Pure EPDM
Pressure
Working pressure
≤145psi (10bar)
Temperature
Working temperature
-22 ~ 302°F (-30 ~ 150°C)
Surface treatment
Inside surface treatment
Ra 16-32μin (0.4-0.8μm), Ra 25 (0.5μm) is the default.
Outside surface treatment
Ra 32μin (0.8μm), Sand Blast or other upon request.
Connection
End connections can be butt-welded, sanitary clamp.
Actuator
Normally Closed (NC) - Air to open and spring to close;
Normally Open (NO) - Air to close and spring to open;
Air to Air (AA) - Air to open, air to close.
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To get more Information at our websites:deyimachinery.en.made-in-china.com, www.technologyvalve.com/