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Good on Top: Pressure
Regulators for Specialty Gases.
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Quality Inside, Quality on Top.
What’s the point of having a gas that’s
99.9999 % pure in the cylinder, of having
expensively calibrated mixtures of up to 20 individual components, if you’ve no guarantee of
maintaining this once the gas is taken from the
cylinder?
Only by using suitable pressure regulators
when taking straight from the cylinder do you
obtain that assurance. For this Westfalen has
assembled a carefully matched range. So for
every possible application, you have a perfectly
matched withdrawal system.
Overview: Pressure Regulators for Specialty Gases.
Model
Usage
WEGA Mini
• for mini cylinders
• for non-corrosive gases up to purity 5.0 (99.999 % vol.)
and test gases without highly corrosive components
WEGA 1 and WEGA 2 • for non-corrosive gases up to purity 6.0 (99.9999 % vol.)
and gas mixtures
• for test gases with ammonia, sulphur dioxide or nitrogen
monoxide admixtures in the trace range
WEGA 1KSp
• for corrosive gases up to purity 6.0 (99.9999 % vol.)
and gas mixtures
• for test gases with corrosive and highly corrosive
components
• for trace mixtures in the ppb and ppm range
Doppelregulus
• for non-corrosive gases up to purity 5.0 (99.999 % vol.)
and gas mixtures
• for output pressures in the millibar range
All pressure regulators listed have passed
a comprehensive series of tests and their suitability in practice has been demonstrated
many times over.
We have prepared for you detailed information
on the individual models, the various adjustment
ranges, options for combination and extension,
In the plants at Hörstel
(near Osnabrück) and
Laichingen (near Ulm),
Westfalen produces air
gases with purities up to
6.0 (99.9999 % vol.). The
specialty gases centre is
attached to the Hörstel
plant, where amongst
other things complex gas
mixtures – even down to
individual recipes – are
manufactured.
2
Manufacturer
Tescom Europe
Tescom Europe
Tescom Europe
Tescom Europe
compatibility for certain gases and much more
on the following pages. Other pressure regulators – for example, for exceptionally large flow
volumes – we provide on request. We are at
your disposal at any time for individual personal
consultation.
And More.
Should your longer-term demand pattern
make extraction from individual cylinders
uneconomical, we would be pleased to develop
centralised gas supply concepts for you. From
planning to implementation, we provide you
with qualified support in the erection of turnkey
supply setups for specialty gases.
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For Small and Mobile: WEGA Mini.
In the WEGA Mini series you will find pressure
regulators especially for the practical withdrawal
of gas from mini cylinders. Light and small, these
miniature regulators with metallic diaphragms
support your mobile applications and work just
as well in space-saving built-over/under installations. WEGA Minis contain an integrated relief
valve in the main body.
1 = Basic pressure regu3
lator with integrated
2
relief valve
2 = Inlet pressure gauge
3 = Outlet pressure gauge
4 = Fittings: 6 mm compression fitting with
6 mm hose connector
5 = Inlet connectors
Areas of application:
For non-corrosive gases up to purity 5.0
(99.999 % vol.) and test gases without highly
corrosive components.
Available Models.
Model series
(knurled nut, hand1
5
4
tightening type)
Dimensions: Width
147.5 mm, Height 77 mm,
Depth 78.5 mm
Inlet connection
Outlet connection
• Flammable gases
• Noble gases, carbon dioxide, sulphur
hexafluoride, tetrafluoromethane
• Nitrogen
• Dinitrogen monoxide (laughing gas)
• Compressed air
• Test gases
• Test gases with carbon monoxide
components
• NPT 1/4 internal
• 6 mm compression
fitting with 6 mm
hose connector
Outlet pressure
(adjustable)
• Nickel-plated brass
• Stainless steel
Technical Data.
Max. inlet pressure
Outlet pressure ranges
Leakage rate against atmosphere
Nominal flow
Outlet pressure 4 bar
Outlet pressure 10 bar
Flow capacity
Inlet connection
Outlet connection
Regulator outlet
Fittings
Materials
Body
Diaphragm
Seat gasket
• 4 bar
• 10 bar
200 bar
max. 4 or 10 bar (adjustable)
10-8 mbar l/s He per connection
max. 10 l/min
max. 20 l/min
0.02
DIN 477-1 (hand-tightening type)
NPT 1/4 internal
6 mm compression fitting with 6 mm hose connector
Nickel-plated brass or stainless steel
Stainless steel 316 L
NBR
Left: WEGA Mini pressure
regulator for inert gases.
Right: WEGA Mini pressure
regulator for flammable
gases.
3
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For Pure, Noble and Mixtures:
WEGA 1 and WEGA 2.
WEGA 1 and WEGA 2 series pressure regulators are compact devices with ergonomic hand
connection that can be used for cylinder
pressures of 200 or 300 bar.
Options to combine with metering and
shut-off valves or flow meters at the outlet
offer high flexibility. Various output connections
are selectable, the relief valve being respectively
integrated into the regulator body.
Technical Data.
Max. inlet pressure
Outlet pressure ranges
Single stage
Dual stage
Leakage rate against atmosphere
Nominal flow rate
Inlet Connection
Outlet connection
Regulator outlet
Valve outlet
Fittings
Outlet options
Materials
Body
Diaphragm
Relief valve gasket
1)
Pressure regulator WEGA 2
for noble gases.
4
Areas of application:
• For non-corrosive gases up to purity 6.0
(99.9999 % vol.) and gas mixtures.
• For test gases with ammonia, sulphur dioxide
or nitrogen monoxide admixtures in the trace
range (stainless steel pressure regulator only).
200 or 300 bar
0.5-4; 1-10; 2-20 bar
0.1-1.5; 0.5-4; 1-20 bar
10-8 mbar l/s He per connection
10 m3/h (depending on pressure and type of gas)
DIN 477-1 and DIN 477-5 1)
G 1/4 internal
G 1/8 internal
6 mm compression fitting with 6 mm hose connector 2)
• Needle metering valve
• Needle metering valve with flow meter
• Stainless steel 1.4404/316 L
• Nickel-plated brass
Stainless steel 316 L
FKM
other national standards available on request · 2) standard thread, other threads are also available as an option
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Available Models.
Model series
Gases (DIN connection)
• WEGA 1 single stage,
nickel-plated brass
• WEGA 2 dual stage,
nickel-plated brass
• WEGA 1 single stage,
stainless steel
• WEGA 2 dual stage,
stainless steel
• WEGA 1 single stage,
nickel-plated brass, with
flow meter and metering
valve
• WEGA 2 dual stage,
nickel-plated brass, with
flow meter and metering
valve
200 bar DIN 477-1 1)
• Flammable gases
• Carbon monoxide 2)
• Noble gases, carbon dioxide,
sulphur hexafluoride,
tetrafluoromethane
• Oxygen, synthetic air
• Nitrogen
• Dinitrogen monoxide
(laughing gas)
• Compressed air
• Test gases
• Test gases with carbon
monoxide components 2)
300 bar DIN 477-5
• Nitrogen and noble gases
• Compressed air
• Flammable gases
Outlet connection
Adjustment/
measurement ranges
• G 1/4 internal (for standard
• 0.1-1.5 bar 6)
equipment) 3)
• 0.5-4 bar
• G 3/8 internal (for equipment with • 1-10 bar
• 2-20 bar 7)
flow meter and metering valve)
• 6 mm compression fitting with
6 mm hose connector
In designs with flow
• 1/8" (3.12 mm) pipe threaded
meter and metering
connection 8)
valve:
• 0.06-1 l/min
• with needle metering valve,
• 0.5-4 l/min
6 mm compression fitting with
• 2-16 l/min
6 mm hose connector 4)
• with diaphragm metering valve,
6 mm compression fitting with
6 mm hose connector 5)
• with diaphragm shut-off valve,
6 mm compression fitting with
6 mm hose connector
1)
other national standards available on request · 2) brass design only · 3) Option: adapter, G 1/4 external to NPT 1/4 internal
4)
brass version only · 5) stainless steel version only · 6) dual stage only · 7) single stage only · 8) connection thread always of 316 L stainless steel
Flow Capacity
WEGA 1
20
18
300 bar
16
14
200 bar
12
10
300 bar
8
200 bar
6
300 bar
Outlet Pressure p2 (bar)
p1 = 200 bar and 300 bar
4
2
200 bar
0
0
200
400
600
800
1,000
1,200
1,400
Flow Q (l/min)
Pressure regulator WEGA 1.
Flow Capacity
WEGA 2 (dual stage)
12
10
300 bar
8
6
4
200 bar
2
200/300 bar
0
100
Outlet Pessuere p2 (bar)
p1 = 200 bar and 300 bar
200
Flow Q (l/min)
300
400
500
0
Pressure regulator WEGA 2
with flow meter and
needle metering valve.
5
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For Corrosive: WEGA 1KSp.
Cylinder pressure regulators in the WEGA
1KSp range are regulators in an encapsulated
safety design for highly corrosive gases.
Check valve and shut-off valve are integrated
together in a single body, so allowing for
effective rinsing with own or foreign gas.
Various output connections are selectable.
Optionally, dual stage WEGA 1KSp pressure
regulators are also available.
Areas of application:
• For corrosive gases up to purity 6.0 (99.9999 %
vol.) and gas mixtures.
• For test gases with corrosive and highly
corrosive components.
• For trace mixtures in the ppb and ppm range.
Pessure regulator
WEGA 1KSp.
Available Models.
Model
Gases
series
• Basic Type • Ammonia
• Chlorine
• Hydrogen chloride
• Test gases
• Test gases with ammonia,
sulphur dioxide or hydrogen
sulfide components
• Sulphur dioxide
• Hydrogen sulphide
• Nitrogen monoxide
6
Outlet connection
• without
(NPT 1/4 internal)
• 6 mm compression
fitting with 6 mm hose
connector
• Diaphragm shut-off valve
with 6 mm compression
fitting and loose 6 mm
hose connector
Outlet pressure
range
• 0.3-1.5 bar
• 0.5-3.5 bar
• 1.0-7.0 bar
• 1.0-10 bar
Inlet connection
• Stainless steel hexagon
couple nut, flat sealing,
for chlorine, hydrogen
chloride, nitrogen monoxide, hydrogen sulphide
and test gases
• Optional Monel hexagonal
coupling nut (not for test
gas connection)
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Technical Data.
Max. inlet pressure
Outlet pressure ranges
Leakage rate against atmosphere
Nominal flow rate
Inlet connection
Outlet connection
Regulator outlet
Valve outlet
Fittings
Options
Materials
Body
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200 bar
0.3-1.5; 0.5-3.5; 1.0-7.0; 1.0-10.0 bar
10-8 mbar l/s He per connection
10 m3/h (depending on pressure and type of gas)
DIN 477-1
NPT
G 1/8 internal
6 mm compression fitting with 6 mm hose connector
• Shut-off valve on the outlet
• Dual stage
• Stainless steel 316 L
• Nickel-plated brass
Stainless steel 316 L and Hastelloy®
Diaphragm
Dimensional Drawing
(140 mm)
WEGA 1KSp
(210 mm)
(225 mm)
2
3
1 = Pressure regulator
2 = Inlet pressure gauge
4
3 = Outlet pressure gauge
4 = Purging block with
integrated shut-off
9
5
and check valve
5 = Inlet connection
(knurled nut or hexagonal flat-sealing)
1
9
8
7
6 = Purge inlet connection
7
for 6 mm pipe/hose
6
7 = Adapter
8 = Metal diaphragm
shut-off valve
9 = Outlet connection for
6 mm pipe/hose
7
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For Special Cases: Doppelregulus.
The compact and robustly built pressure
regulators of the Doppelregulus series allow
accurate adjustment down to the millibar:
Five adjustment ranges can be precision-set.
Areas of application:
For non-corrosive gases up to purity 5.0
(99.999 % vol.) and gas mixtures.
Technical Data.
Max. inlet pressure
Outlet pressure ranges
200 bar
0.1-1; 0.15-1.5 bar
5-50; 10-100; 50-500 mbar
10-8 mbar l/s He per connection
Leakage rate against atmosphere
Connections
Inlet
Outlet
DIN 477-1
Hose nozzle 6 mm
Pressure regulator
Doppelregulus.
Dimensional Drawing
Doppelregulus
121 mm
Acc. to DIN 477
124 mm
115 mm
3
1
338 mm
Available Models.
e
Model series and
adjustment ranges
Doppelregulus
• Outlet pressure max. 5-50 mbar
• Outlet pressure max. 10-100 mbar
• Outlet pressure max. 50-500 mbar
• Outlet pressure max. 0.1-1.0 bar
• Outlet pressure max. 0.15-1.5 bar
Gases
Outlet connection
• Flammable gases
• Compressed air
• Dinitrogen monoxide
(laughing gas)
• Non-flammable gases
• Test gases
• Oxygen
• Nitrogen
• Synthetic air
• G 3/8 internal
• Hose nozzle 6 mm
n
7
8
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For a Quick Overview: Selection Guide.
Cylinder connection
acc. to DIN 477-5
Single stage
Dual stage
For mini cylinders
For low outlet
pressures
Material
Purging block
NH3
Ar
Ar
Ar/CH4
Ar/CH4
CBrF3
CO2
CO
Cl2
N2/O2
N2/O2
C3H6
D2
N2O
6
6
1
6
6
5
8
13
1
1
11
54
57
56
-
WEGA 1KSp
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1KSp
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
-
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
S
B
B
B
B
B
B
B
S
B
B
B
B
B
yes
yes
-
C2H6
C2H4
H2/N2
H2/N2
He
He
H2
H2
HCl
H2S
Kr
CH4
Ne
N2
N2
NO
O2
O2
C3H8
C3H6
SO2
SF6
N2/O2
N2/O2
1
1
1
6
1
8
5
6
1
6
10
8
9
1
1
7
6
9
14
14
57
54
57
54
59
59
-
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1KSP
WEGA 1KSp
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1KSp
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1KSp
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 1
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA 2
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
WEGA Mini
-
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
Doppelregulus
-
B
B
B
B
B
B
B
B
S
S
B
B
B
B
B
S
B
B
B
B
S
B
B
B
B
B
yes
yes
yes
yes
-
14
-
WEGA 1KSp
-
-
-
S
yes
14
-
WEGA 1
WEGA 2
WEGA Mini
-
B
-
6
6
6
-
WEGA 1
WEGA 1
WEGA 1
WEGA 2
WEGA 2
-
WEGA Mini
WEGA Mini
-
Doppelregulus
Doppelregulus
-
B
B
B
-
CF4
CHF3
Xe
1)
Cylinder connection
acc. to DIN 477-1
Ammonia
Argon 200 bar
Argon 300 bar
Argon/Methane 200 bar
Argon/Methane 300 bar
Bromtrifluoromethane
Carbon dioxide
Carbon monoxide
Chlorine
Compressed air 200 bar
Compressed air 300 bar
Cyclopropane
Deuterium
Dinitrogen monoxide
(laughing gas)
Ethane
Ethene
Forming gas 200 bar
Forming gas 300 bar
Helium 200 bar
Helium 300 bar
Hydrogen 200 bar
Hydrogen 300 bar
Hydrogen chloride
Hydrogen sulphide
Krypton
Methane
Neon
Nitrogen 200 bar
Nitrogen 300 bar
Nitrogen monoxide
Oxygen 200 bar
Oxygen 300 bar
Propane
Propene
Sulphur dioxide
Sulphur hexafluoride
Synthetic air 200 bar
Synthetic air 300 bar
Test gas, non-corrosive
Test gas with NO-, SO2-,
NH3-components
Test gas, highly corrosive,
e.g. HCl, Cl2, H2S
Test gas with
CO-admixtures
Tetrafluoromethane
Trifluoromethane R-23
Xenon
Recommended Type
Chem. formula
Product
Pressure Regulators for Specialty Gases.
1) B
= Brass · S = Stainless steel
Connection acc. to DIN 477-1 (200 bar) 1 = W 21,8 x 1/14 LH · 3 = with clamp · 5 = 1" LH · 6 = W 21,8 x 1/14 · 7 = G 5/8 internal · 8 = 1" · 9 = G 3/4
10 = W 24,32 x 1/14 · 11 = G 3/8 · 13 = G 5/8 external · 14 = M 19 x 1,5 LH
Connection acc. to DIN 477-5 (300 bar) 54 = inert gases · 56 = compressed air · 57 = flammable gases · 59 = oxygen, synthetic air
9
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Technical Gases I Refrigerants I Propane
Westfalen BVBA · SPRL
Watermolenstraat 11
9320 Aalst/Alost
Belgium
Phone +32 (0)53-64.10.70
Fax
+32 (0)53-67.39.07
www.westfalen.be
[email protected]
Westfalen France S.a.r.l.
Parc d‘Activités Belle Fontaine
57780 Rosselange
France
Phone +33 (0)3.87.50.10.40
Fax
+33 (0)3.87.50.10.41
www.westfalen-france.fr
[email protected]
Westfalen Gassen Nederland BV
Rigastraat 20
7418 EW Deventer
The Netherlands
Phone +31 (0)570 - 63 67 45
Fax
+31 (0)570 - 63 00 88
www.westfalengassen.nl
[email protected]
Westfalen AG
Industrieweg 43
48155 Münster
Germany
Phone +49 (0)2 51/6 95-0
Fax +49 (0)2 51/6 95-129
www.westfalen-ag.de
[email protected]
Westfalen Gas Schweiz GmbH
Bachstraße 10/PF
4313 Möhlin
Switzerland
Phone +41 (0)61 855 25 25
Fax +41 (0)61 855 25 26
www.westfalen-gas.ch
[email protected]
A2 0612 2T
Westfalen Austria GmbH
Aumühlweg 21/TOP 323
2544 Leobersdorf
Austria
Phone +43 (0) 22 56/6 36 30
Fax +43 (0) 22 56/6 36 30-30
www.westfalen.at
[email protected]