High-Purity Two-Port Regulating Valve with Shut-Off Function

DruvaPUR 20 m³ Series

The DruvaPUR 20 m³ Range high-purity two-port diaphragm regulating valve with a shut-off function is used in supply systems handling pure, inert, flammable, oxidising, corrosive, and toxic gases and gas mixtures up to a maximum gas purity of 6.0.

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Max

6Purity

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High-Purity Two-Port Regulating Valve with Shut-Off Function

High-Purity Two-Port Regulating Valve with Shut-Off FunctionIntroduction

The Druva two-port low-flow regulating valve is designed for use in a variety of high-purity gas supply systems, featuring a shut-off function for enhanced safety and control. It is equipped with an Elgiloy diaphragm tightening system to provide a robust seal to the atmosphere. This high-purity diaphragm valve meets stringent standards, including EN ISO 10297:2015, IEC TS 60079-32-1, and DIN EN ISO 80079-36, making it a safe option for sensitive environments.

Elgiloy diaphragm tightening system to atmosphere ensures a secure seal, improving reliability and system safety.
Compact design makes it integrate seamlessly into systems with limited installation room.
Designed and approved in accordance with the relevant sections of EN ISO 10297:2015.
Electrostatic chargeability test
- Meets requirements of DIN EN ISO 80079-36, IEC TS 60079-32-1, and German TRGS 727.
- Usable in EX-areas zones 1 and 2 for gases with explosion risk group I, IIA, IIB, and IIC.

High-Purity Two-Port Regulating Valve with Shut-Off FunctionGeneral properties

General properties

Product Line	druvaPUR - High Purity
Purity Grade	6.0 (99.9999%)
Gas Properties	Pure, inert, flammable, oxidizing, corrosive, toxic
Regulation Type	Dual stage / Two stage
Material (main body)	Stainless steel, Brass
Applications	Analytical laboratories, Laser and Plasma cutting, Industry, Automotive, Refrigeration, Petrochemical
Valve Type	Diaphragm shut off and regulating valve
Inlet / outlet ports	1/4“ NPT female Further connections – see technical drawing
Max. working pressure (Bar / PSI)	50 / 725.18
Cv-value	less than 0,02
Seat diameter	2 mm
Leakage rate seat	less than 5x10-6 mbar l/s (Helium)
Leakage rate outside	less than 1x10-9 mbar l/s (Helium)
Material of valve diaphragm	1x Hastelloy, 1x Elgiloy
Material of valve seat	Metal sealing, PCTFE
Valve poppet	Stainless Steel, Brass
Filter	1x for each inlet, 1x for each outlet
Weight (kg / lbs)	0.29 / 0.6
Working temperature	-20 °C to +60 °C