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Bellow low pressure regulator - S20
S20 second stage line pressure regulator or point of use regulator is designed for specialty gas applications requiring very precise repeatability and a high precision of outlet pressure.
Key advantages
  • Bellow technology permits a large range of accurate outlet pressures in a compact design
  • Flexible mounting options on wall or panel
  • Acetylene version available (AD)

FLOW CURVES

Product image

Product image

Product image

Specifications
Female portsG3/8 or 1/4 NPT (inlet/outlet)
Seat sealEPDM
O-ringEPDM - Standard / FPM
BellowBronze or AISI 316L (SS version)
Weight+/- 0,5 kg
Leak rate10-8 M bar l/s
Temperature range-20 to +60 °c
GaugesLow pressure (M10 x 1 or 1/4 NPT)
Inlet pressure50 bar, AD: 20 bar
Outlet Pressure1/3/10 bar, AD: 1,5
Nominal flow2/2,5/3,5 nm3-h--28n2-29, AD: 1,5 nm3-h--28n2-29
Oxygen useinlet pressure ≤ 30 bar max. for brass and stainless steel, AD: No
Dimensional drawings
Drawing
Product Configurator
 
Body material
 
Outlet Pressure
End connections
O-ring material
Gauges
Mounting
Ports configuration
S
L
20
1
G
EPDM
1
FR0
A
 
Chrome plated brass
L
Stainless steel
I
 
1 bar
1
3 bar
3
10 bar
10
G3/8 - G3/8
G
1/4 NPT - 1/4 NPT
N
EPDM - Standard
EPDM
FPM
FPM
With
1
Without fixing ring
FR0
With fixing ring
FR1
Standard configuration
A
Reverse inlet/outlet
R
Downloadable catalogs, brochures
  • Download
    Pressure Regulators Catalog
    Last update: Jun 29, 2023
    Available in: en
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