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Rotarex · Specialty gas systems

Bellow point of use - S21

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+90 553 213 45 39

Manufacturer product images · for reference

Bellow point of use - S21 — manufacturer product image

S21 point of use is designed for specialty gas applications. It is based on the S20 pressure regulator technology.

Key features
  • Bellow technology permits a large range of accurate outlet pressures in a compact design
  • Flexible mounting options on wall or panel
  • Must be installed with a flash back arrestor for use with acetylene
  • Acetylene version available (AD)

Specialty gas systems

Technical specifications
BrandRotarex
CategorySpecialty gas systems
BellowBronze (Brass version) / AISI 316L (SS version)
GaugesLow pressure (M10 x 1 or 1/4 NPT)
O-ringEPDM
Weight± 0,9 kg
Leak rate10 -8 M bar l/s
Seat sealEPDM
Oxygen useinlet pressure ≤ 30 bar max. for brass and stainless steel
Female portsG 3/8 (inlet/outlet) or 1/4 NPT (inlet/outlet)
Nominal flow2/2,5/3,5 Nm3 /h (N2 ) / AD: 1 Nm3 /h
Inlet pressure50 bar (725 psi) / AD: 20 bar (290 psi)
Outlet Pressure0,1-1 / 0,3-3 / 1-10 bar (14.5/44/145 psi) / AD: 1,5 bar (21,75 psi)
Diaphragm (valve)Hastelloy®
Temperature range-20°C to +60°C / -4°F to +140°F

Product information and images are compiled from the manufacturer's own publications; they do not depict a Sedan Mühendislik installation. Technical data is confirmed before ordering.

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Specialty gas systems

The full category — 123 products

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