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92000062

UHP/HP Springless Diaphragm Valve

M4.1U LPNF 2V1 I/K A/B:V1/4F

Technical Specifications
Article92000062
DescriptionDiaphragm Valve UHP Pneumatic M4.1U LPNF 2V1 I/K A/B:V1/4F
Material body
SS316L
Material seal
NBR (O-ring)
Material seat
PCTFE (Kel-F)
Material actuator body
Aluminium
Material actuator piston
SS316L
Material valve diaphragm
SS or alloys
Material diaphragm
Elgiloy
Material diaphragm (wetted parts)
Hastelloy
Maximum operating pressure
17 barg
He leak rate
Up to 10-9 mbar · l/s
Operating pressure actuator
5 to 7 bar
Bursting pressure
850 bar
Flow coefficient
0,26 Cv
Temperature range
-20 to 80 °C
Medium
Standard, High and Ultra High Purity, corrosive and non-corrosive gases
Connection type
Face seal female/Face seal female
Valve actuation
Pneumatically actuated - low pressure (normally closed)
Port configurations
2 ports in line
Polishing
Electro polishing
Surface finish
< 0,15 µm Ra
Dimensions
C
Face seal female 1/4
C1
Face seal female 1/4
c
25,4 mm
Ø D42 mm
L
27 mm
L1
35,3 mm
H
72,5 mm
h
11,2 mm
Ø Nominal seat4 mm
Remarks
Remarks
Back Mounting
Remarks
Images shown can slightly deviate from the part supplied depending on the actual configuration/options.
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General information

Pneumatic diaphragm Valves from Selfa are the standard range of UHP diaphragm valves within a large group of companies which are engaged in building high-tech systems in cleanroom environments.

The pneumatic actuated diaphragm valves valves are available for low ( 17 Bar) and high (200 Bar) pressure ratings for standard, high and ultra high purity corrosive and non-corrosive gases.

Applications
Overview
Related components
Specials
InfoPlease contact us for more information about the special versions.
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