Diaphragm single stage high pressure regulator with cartridge - SC280/SC380

SC280 - SC380 high pressure gas cylinder regulator is designed for pure, inert and corrosive gases. It is particularly suited for applications such as calibration gases, controlled atmosphere and high purity gas carrying. A cylinder connector is necessary to connect it to the cylinder valve.

Key advantages

This single stage regulator is based on the Cartridge seat Technology
Compact, ergonomic and lightweight design
Accurate pressure control for reliable service
Handwheel in compliance with ATEX regulation and easy to clean
Could be equipped with a shut off valve
Relief valve seat seals material: Brass version (EPDM), Stainless Steel (FPM)

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FLOW CURVES

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Specifications

Female ports	1/4” NPT (inlet / outlet)
Valve seal	PCTFE
O-ring	PTFE
Diaphragm	Hastelloy®
Weight	± 1,1 kg ± 2.4 lbs
Temperature range	- 40°C to + 60°C - 40°F to + 140°F
Gauges	High and low pressure (1/4 NPT)
Inlet pressure	200/300 bar 2900/4350 psi
Outlet Pressure	0,1-1,5 / 0,4-4 / 1-10 / 1,6-16 / 3,5-35 / 5-50 bar 21.75/58/145/232/508/725 psi
Oxygen use	OK with brass and stainless steel
Leak rate	10^-8 mbar ℓ/s He
Nominal flow cv	1/2/10/20/30 Nm³ /h (N2 ) 0.1

Dimensional drawings

Product Configurator

	Body material	Inlet pressure	Port configuration	Outlet Pressure	Inlet connection	Outlet connection	Gauges	Gas type
SC	L	280	R	1,5	N	N	1	N2
	Chrome plated brass L Stainless steel I	200 bar 2900 psi 280 300 bar 4350 psi 380	Right inlet R	1,5 bar 21.75 psi 1,5 4 bar 58 psi 4 10 bar 145 psi 10 16 bar 232 psi 16 35 bar 508 psi 35 50 bar 725 psi 50	1/4 NPT N	1/4 NPT N	With 1

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Pressure Regulators Catalog

Last update: May 26, 2025
Available in: en/FR