VDS-PHR

Precision pressure regulator

dual stage for mbar applications inlet pressures up to 300 bar

VDS PHR is a dual stage precision pressure regulator with a wide and flexible diaphragm surface for mbar operating pressures and is often used at science and research institutes or process engineering.

Due to dual stage construction it is possible to work with absolutely stable outlet pressure even if there are high inlet pressures and even if the inlet pressure drops down significantly.

For wall mounting of VDS PHR is as an option a bracket available.

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Standard Specification

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Technical Details
Application Area
Order Details

Body:	brass, nickel and matt chrome plated or stainless steel
Seat:	viton
Diaphragm:	viton
Gas purity:	< 5.0
Max. inlet pressure:	300 bar
Outlet pressure ranges:	10 mbar - 2 bar
Flow:	10 m3/h air
Operating temp.:	-20°C to +70°C
Gauges:	safety version according EN 837-1 KL 1.6
Threads:	in- and outlet G 1/4 f

mbar applications with high inlet pressures up to 300 bar
Instrumentation and process engineering
Laboratories
Gas purities up to 5.0 (99.999 Vol.%) purity

To identify the correct order code for your VDS-PHR

Start with "VDS-PHR-", then add the appropriate number options from columns A, B, C & D in the table below followed by the gas to be used.

VDS-PHR-1-2-1-03-03-Argon specifies a VDS-PHR model in brass with 50mbar outlet pressure ranges, without guages, 3mm inlet & 3mm outlet for use with Argon gas.

A	B		C	D
Material	Outlet pressure ranges		Gauge	Options for in- and outlet
1 = brass	1 = 30 mbar	7 = 500 mbar	1 = without	00 = G 1/4“ f
2 = stainless steel electropolished	2 = 50 mbar	8 = 700 mbar	2 = with working pressure indicator	03 = compression fitting 3 mm
	3 = 70 mbar	9 = 1000 mbar	3 = in- and outlet pressure gauges	06 = compression fitting 6 mm
	4 = 100 mbar	10 = 1500 mbar		08 = compression fitting 8 mm
	5 = 200 mbar	11 = 2000 mbar		10 = compression fitting 10 mm
	6 = 300 mbar			12 = compression fitting 12 mm