Integrated valve with adjustable pressure regulator - DUCAL D551

The Rotarex D551 is the first Stainless Steel gas valve with integrated pressure regulator. The all in one design of the VIPR offers safer and easier calibration operations. The D551 is designed for a wide range of specialty and corrosive gases, used to calibrate analysers.

Key advantages

Easy, ready to use all in one system
All surfaces in gas contact are oxygen clean and mainly metallic to minimize the gas contamination
Very constant flow from 200 to 7 bar in cylinder
Materials can also be used with corrosive mixtures
Equipped with manometers in stainless steel and downstream safety valve

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All-in one design

Pre-engineered complete solution to optimize your
calibrated gas supply
Fully protected & integrated solution with ergonomic and aesthetic design
Superior productivity and better sealing due to reduction of potential leak points

Easier and safer

Easy handling and better protection thanks to plastic guard
Compact and light weight design ideal for mobile applications key features
High outlet flow stability and performance thanks to diaphragm technology
Premium material and components ensure quality of gas mixtures to preserve required properties for calibration application

Higher productivity

One complete system instead of many individual
components
Save time and be much more effective with
built-in solution

Specifications

Connections	25E – ISO 11363 ¾’’ NGT CGA-V1
Inlet working pressure	200 bar
Outlet working pressure	1 to 4 bar
Flow rate	1L/min at 3 bars, Max flow rate 10 L/min at 4bars
Temperature range	-20 to +60 °c
Seat seal	PA-PCTFE
O-ring	EPDM or FPM depending of application
Internal components	Stainless Steel
Leak rate	1.10-7 M bar l/s
Property level	Cleaned for oxygen service
Filling tool connection	To be defined according to norms and gas types

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