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92000064

UHP/HP Springless Diaphragm Valve

M4.1U LPNC 2V1 I/K A/B:V1/4M

Technical Specifications
Article92000064
DescriptionM4.1U LPNC 2V1 I/K A/B:V1/4M
ManufacturerRotarex - Selfa
Material body
SS316L
Material seal
NBR (O-ring)
Material seat
PCTFE (Kel-F)
Material piston
Aluminium
Material actuator body
SS316L
Other materials used
SS or alloys
Material back up 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 male/Face seal male
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 male 1/4
C1
Face seal male 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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