High pressure UHP cylinder valve – D304

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

Key advantages

Tied diaphragm design with minimal gas wetted volume
Combined soft and metal seat design with low permeation rate
Positive operation due to mechanical link of the upper and lower spindle
Patented operating mechanism
Threaded weep hole for leak test and pipe away connection
No particle generating threads in the gas wetted part
Optional pressure relief device (PRD)

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Specifications

Connections	All standard / Specific on request
Working pressure	200 bar
Flow rate	0.35
Temperature range	-40 to +65 °c
Body materials	Stainless steel 1.4435 (AISI 316L), Hastelloy® C22, Nickel 200, Monel® 2.4375 (Monel 500 K)
Seat orifice size	4 Mm
Marking	π0029 (according to TPED), 3 stars, valve number, manufacturing date
Leak rate	1.10-8 M bar l/s

Dimensional drawings

Downloadable catalogs, brochures

Puretec overview

Last update: Jan 15, 2024
Available in: en
Puretec Catalog

Last update: Jan 15, 2024
Available in: en