Valves

5 types of gas valves for industrial, high purity, and ultra-high purity line and cylinder applications.

Showing 4 products

D604 Manual Line Valve - HP & UHP Gas Valves by Southern CGS

Tied diaphragm line valve

D604 Manual Line Valve

Soft seat 4mm orifice manual line valve.

RX 04 HP & UHP Line Valve - HP & UHP Gas Valves by Southern CGS

UHP Springless diaphragm line valve

RX 04 HP & UHP Line Valve

Flow capacity 0.2 springless diaphragm.

Standard valves - C200/C205/C210/C215Standard valves - C200/C205/C210/C215

Standard Valves

Standard valves - C200/C205/C210/C215

The C200 series are standard valves for industrial and medical applications for different inert, inert mixtures and flammable gas service.

D100 High Purity Cylinder ValveD100 High Purity Cylinder Valve

Tied diaphragm seal type

D100 High Purity Cylinder Valve

Cylinder Valve with Packed Needle Stem Design for High Purity Gas Applications

D304 High pressure 4mm orifice ValveD304 High pressure 4mm orifice Valve

Ultra high purity tied diaphragm seal type

D304 High pressure 4mm orifice Valve

D304 valve for UHP, corrosive, reactive and toxic gases from Rotarex Puretec is designed for keeping the highest level of purity of the gas. No particles are generated in the gas wetted part thanks to the tied diaphragm technology. It is also available with the new Open/close indicator from Rotarex Puretec

D654 Oleo-pneumatic Line Valve - HP & UHP Gas Valves by Southern CGS

Tied diaphragm line valve

D654 Oleo-pneumatic Line Valve

Soft seat 4mm orifice oleo-pneumatic line valve.

RX 04 F HP & UHP Line Valve - HP & UHP Gas Valves by Southern CGS

HP & UHP Gas Valves

RX 04 F HP & UHP Line Valve

Flow capacity 0.2 forged body.

Standard CO2 valves - C040/C045Standard CO2 valves - C040/C045

Standard Valves

Standard CO2 valves - C040/C045

The C040/041 are high pressure brass cylinder valve for carbon dioxide and mixtures.

D131 Pneumatic Actuated Valve For Corrosive Gases.D131 Pneumatic Actuated Valve For Corrosive Gases.

Tied diaphragm seal type

D131 Pneumatic Actuated Valve For Corrosive Gases.

Pneumatic cylinder Valve with Packed Needle Stem Design for High Purity Gas Applications.

D385S High Pressure Pneumatic Valve soft seat 4mm orifice D385S High Pressure Pneumatic Valve soft seat 4mm orifice

Ultra high purity tied diaphragm seal type

D385S High Pressure Pneumatic Valve soft seat 4mm orifice

D385S valve with pneumatic actuator is designed for keeping the highest level of purity of the gas. Its tied diaphragm technology allows to avoid any particle generation. The D385S is used for UHP, corrosive, reactive and toxic gases, common in the electronic and semicondutor industry.

D688 Pneumatic Line Valve - HP & UHP Gas Valves by Southern CGS

Tied diaphragm line valve

D688 Pneumatic Line Valve

Soft knife edge seat 4mm orifice pneumatic line valve.

RX 08 HP & UHP Line Valve - HP & UHP Gas Valves by Southern CGS

UHP Springless diaphragm line valve

RX 08 HP & UHP Line Valve

Flow capacity 0.5 springless diaphragm.

Residual Pressure ValveResidual Pressure Valve

RPV Valves

Residual Pressure Valve

The Residual Pressure Device prevents ingress of contaminants like moisture and particles in the cylinder and ensures a longer life time of the cylinder.

D386S Tied diaphragm cylinder valve for fluorine mixtures with pneumatic actuatorD386S Tied diaphragm cylinder valve for fluorine mixtures with pneumatic actuator

Ultra high purity tied diaphragm seal type

D386S Tied diaphragm cylinder valve for fluorine mixtures with pneumatic actuator

The D386S ensures the highest levels of purity and safety for applications using fluorine gas mixtures, such as cleaning non-plasma deposition chambers and diffusion furnaces for silicon-based films. Designed with the challenges of fluorine-nitrogen mixtures in mind, this UHP cylinder valve incorporates specialized features to enhance operational safety and maintain the purity of F₂/N₂ mixtures, supporting contamination-free manufacturing

D639S Manual Line Valve - HP & UHP Gas Valves by Southern CGS

Tied diaphragm line valve

D639S Manual Line Valve

Soft seat 6mm orifice manual line valve.

R8 08 F - HP & UHP Gas Valves by Southern CGS

HP & UHP Gas Valves

R8 08 F

Flow capacity 0.5 forged body.

Cylinder valves for corrosive gases – D160SCylinder valves for corrosive gases – D160S

valves for corrosive gases

Cylinder valves for corrosive gases – D160S

Stainless steel high‑pressure valve with sturdy 2‑piece stem and soft seat for clean, reliable corrosive‑gas control.

D354 Oleo-Pneumatic Soft seat 4mm orifice valveD354 Oleo-Pneumatic Soft seat 4mm orifice valve

Ultra high purity tied diaphragm seal type

D354 Oleo-Pneumatic Soft seat 4mm orifice valve

D354 valve with oleo-pneumatic actuator is designed for keeping the highest level of gas purity. No particle are generated thanks to its tight diaphragm technology. Commonly used for ultra-high-purity, corrosive, reactive and toxic gases, its oleo-pneumatic actuator increase the seat closure force.

D689S Oleo-pneumatic Line Valve - HP & UHP Gas Valves by Southern CGS

Tied diaphragm line valve

D689S Oleo-pneumatic Line Valve

Soft seat 6mm orifice oleo-pneumatic line valve.

RX M12 HP & UHP Line Valve - HP & UHP Gas Valves by Southern CGS

UHP Springless diaphragm line valve

RX M12 HP & UHP Line Valve

Flow capacity 1.75 springless diaphragm.

D304S Dual Port UHP valve Soft seat 4mm orifice valve D304S Dual Port UHP valve Soft seat 4mm orifice valve

Ultra high purity tied diaphragm seal type

D304S Dual Port UHP valve Soft seat 4mm orifice valve

D340S valve for Ultra-High Purity gases from Rotarex Puretec is designed for keeping the highest level of purity of the gas. The dual port technology ease withdrawal of liquefied gas by pressurizing through vapour port. No particles are generated in the gas wetted part thanks to the tied diaphragm technology.

K300 Bellows Valve - HP & UHP Gas Valves by Southern CGS

High-Performance bellows Valves for cryogenic gases and liquids

K300 Bellows Valve

Low or high pressure bellows valve. Operating range -40°C to +120°C ambient.

RX M20 HP & UHP Line Valve - HP & UHP Gas Valves by Southern CGS

UHP Springless diaphragm line valve

RX M20 HP & UHP Line Valve

Flow capacity 3.5 springless diaphragm.

D306 High pressure Metal / Metal sealing 4mm orifice valveD306 High pressure Metal / Metal sealing 4mm orifice valve

Ultra high purity tied diaphragm seal type

D306 High pressure Metal / Metal sealing 4mm orifice valve

D306 cylinder valve for Ultra High Purity highly oxidizing and reactive gases is designed for keeping the highest level of gas purity, thanks to its tied diaphragm technology. The Rotarex Puretec D306 UHP cylinder valve is also available with the new Open/close indicator.

HP2000 Bellows Valve - HP & UHP Gas Valves by Southern CGS

High-Performance bellows Valves for cryogenic gases and liquids

HP2000 Bellows Valve

High pressure bellows valve. Operating range -40°C to +120°C ambient.

D356 Oleo-pneumatic valve Metal / Metal sealing 3.5mm orifice

Ultra high purity tied diaphragm seal type

D356 Oleo-pneumatic valve Metal / Metal sealing 3.5mm orifice

The D356 UHP cylinder valve with oleo-pneumatic actuator is designed for Ultra High Purity highly oxidizing and reactive gases, ensuring the highest level of gas purity thanks to its tied diaphragm technology. Its oleo-pneumatic actuator increases the seat closure force for maximum safety.

K900 Bellows Valve - HP & UHP Gas Valves by Southern CGS

High-Performance bellows Valves for cryogenic gases and liquids

K900 Bellows Valve

Low to high pressure bellows valve. Operating range -196°C to +250°C cryogenic.

D339S High pressure manual valve Soft seat 6mm orificeD339S High pressure manual valve Soft seat 6mm orifice

Ultra high purity tied diaphragm seal type

D339S High pressure manual valve Soft seat 6mm orifice

D339S valve is designed for keeping the highest level of purity of UHP, corrosive, reactive and toxic gases. No particles are generated in the gas wetted part thanks to the tied diaphragm technology. The D339S is also available with the new Open/close indicator from Rotarex Puretec.

HP9000 Bellows Valve - HP & UHP Gas Valves by Southern CGS

High-Performance bellows Valves for cryogenic gases and liquids

HP9000 Bellows Valve

High pressure bellows valve. Operating range -196°C to +250°C cryogenic.

D389S Oleo-Pneumatic Soft seat 6mm orifice valve

Ultra high purity tied diaphragm seal type

D389S Oleo-Pneumatic Soft seat 6mm orifice valve

D389S UHP cylinder is designed for keeping the highest level of purity of the gas. The seat closure force is increased thanks to its oleo-pneumatic actuator. The tight diaphragm technology allows no particle are generation in the gas wetted parts.

HP3000 Bellows Valve - HP & UHP Gas Valves by Southern CGS

High-Performance bellows Valves for cryogenic gases and liquids

HP3000 Bellows Valve

High pressure bellows valve. Operating range -40°C to +120°C ambient.

D349 Dual Port UHP valve Soft seat 6mm orifice

Ultra high purity tied diaphragm seal type

D349 Dual Port UHP valve Soft seat 6mm orifice

D349 valve for UHP gases is designed for keeping the highest level of purity of the gas. Easy withdrawal of liquefied gas thanks to the dual port technology. The D349 allows a high flow value at high pressure with its 6mm orifice size.

Supra Bellows Valve - HP & UHP Gas Valves by Southern CGS

High-Performance bellows Valves for cryogenic gases and liquids

Supra Bellows Valve

Low pressure bellows valve. Operating range -270°C to +80°C cryogenic.

D337 Tied-diaphragm seal Low Pressure 8mm orifice valveD337 Tied-diaphragm seal Low Pressure 8mm orifice valve

Ultra high purity tied diaphragm seal type

D337 Tied-diaphragm seal Low Pressure 8mm orifice valve

D337 low pressure manual cylinder valve for Ultra High Purity, corrosive, reactive and toxic gases is designed for keeping the highest level of purity of the gas, thanks to the tied diaphragm technology. The D337 valve is also available with the Rotarex puretec Open/close indicator for an improved safety.

Car(s) Check Valves - HP & UHP Gas Valves by Southern CGS

High-Performance Check Valve for cryogenic gases and liquids

Car(s) Check Valves

Low to high pressure check valves. Operating range -196°C to +250°C cryogenic.

D387 Pneumatic actuator Low Pressure 8mm orifice valveD387 Pneumatic actuator Low Pressure 8mm orifice valve

Ultra high purity tied diaphragm seal type

D387 Pneumatic actuator Low Pressure 8mm orifice valve

D387 low pressure pneumatic cylinder valve for UHP, corrosive, reactive and toxic gases is designed with the tied-diaphragm in order to keep the highest level of purity of the gas. Its 8mm orifice size allows a high CV value.

D342 Dual Port UHP valve Soft seat 8mm orifice valveD342 Dual Port UHP valve Soft seat 8mm orifice valve

Ultra high purity tied diaphragm seal type

D342 Dual Port UHP valve Soft seat 8mm orifice valve

D342 low pressure valve for Ultra-High Purity corrosive, reactive and toxic gases is designed for keeping the highest level of purity of the gas, thanks to the tied diaphragm technology. The D342 dual ported valve has two outlets marked “LIQUID” to withdraw liquid phase and “VAPOR” for gas phase.

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HP & UHP Gas Valves

Non-return Valve DN4

Gas check valve for oxidizing inert flammable and hydrocarbon gases. G 1/4 inch connections max working pressure 420 bar.

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