Rotarex · UHP — ultra high purity

Low pressure & high flow UHP cylinder valve - D337

Manufacturer product images · for reference

Low pressure & high flow UHP cylinder valve - D337 — manufacturer product image

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.

Key features
  • Reduced dead space and gas wetted volumes allow easy purging
  • No particle generating threads in the gas wetted part
  • Prevents seizure - Gas does not come into contact with the valve operating mechanism
  • Back-up welded diaphragms provide a permanent and durable gas tight seal

UHP — ultra high purity

Technical specifications
BrandRotarex
CategoryUHP — ultra high purity
Markingπ0029 (according to TPED), 3 stars, valve number, manufacturing date
Gas TypePure & Ultra-pure
Flow rateCV=0.7
Leak rate1.10 -8 M bar l/s
ConnectionsAccording (inter-)national standards and customer specifications
Body materialsStainless steel 1.4435 (AISI 316L), Hastelloy® C22, Nickel 200,Monel® 2.4360 (Monel 400)
Working pressure45 bar
Seat orifice size8 Mm
Temperature range-40 to +65 °c

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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UHP — ultra high purity

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