2014
Your INDUSTRIAL CUSTOMER SUPPORT
Direct phone: +420 569 661 444
www.gcegroup.com/en/customer-support
CM
INCH
7
8
9
10
H2
CH4
15
AsH3
CO
NH3
Continuous consumption
max. 0,35 m3/hour
EN ISO 5172
Gas welding equipment - Blowpipes for gas welding, heating and cutting -- Specifications and tests
EN ISO 5171
Gas welding equipment - Pressure gauges used in welding, cutting and allied processes
Yoke or M24×2LH
Yoke or W22,91LH
G5/8 LH
Yoke or W22,91LH
Yoke or G5/8LH
W21,8
W21,8
SI21,7
G5/8
W21,7
W24,5
Nitrogen
W24,32
W24,32
W24,32
SI21,7
G5/8
W21,7
W21,7
Air
G5/8
G5/8
G5/8
SI30x1,75
G5/8
M30×1.75
W30
Hydrogen
W21,8LH
W21,8 LH
W21,8 LH
SI21,7LH
G5/8 LH
W21,7LH
W20 LH
Carbon dioxide
W21,8
G3/4
W21,8
SI21,7
W0,860
W21,7
W21,7
Minor
Diameter
Nut
mm
Major
Diameter
mm
FLAME PROPERTIES
Tapping
Drill Size
mm
11,89
TPI
11,8
19
15,39
15,25
19
1,337
19,17
19
14
1,814
G 5/8“
22,91
21,13
21
14
1,814
G 3/4“
26,44
24,66
24,5
14
1,814
G 1“
33,25
30,93
30,75
11
2,309
Tapping
Drill Size
mm
TPI
13,616
10,7
18
1,411
3/8" NPT
17,055
14,1
18
1,411
21,223
17,4
14
20,638
19,476
14
1,814
W24,32
24,32
23,158
21,996
14
1,814
W1
25,4
23,368
21,336
8
3,175
Gas welding equipment - Safety devices - Not incorporating a flame (flashback) arrestor
Litre/min
ISO 9090
Gas tightness of equipment for gas welding and allied processes
NUT MEASUREMENT (M 1:1)
0,007
44,186
1,6
1,8
2770
2786
0,566
48,678
1,1
1,5
3106
3160
0,923
24 mm
47,6
1,8
2,4
2902
2924
0,98
19 mm
17 mm
Propylene C3H6 Y 89,999
46,153
2,8
3,5
2872
2896
1,506
24 mm G 1/2
Propane
46,315
3,75
4,3
2810
2828
1,589
27 mm G 5/8
CH4 M 31,814
56,93
C2H4 F 55,674
C3H8 P 93,557
REDUCING (CARBURIZING) FLAME
Fuel gas
C2H2
C2H8
CH4
H2
% of fuel gas
in Oxygen
% of fuel gas
in Air
2,5
93
2,2
45
5
60
4
94
2,5
80
2,2
9,5
5
15
4
74,5
Low
High
Low
High
Low
High
Low
High
EXPLOSIVE
0
1 × 10-6
1
1 × 10-3
dm3/Litre 1000
0,06
1
m3
60
-3
1 × 106 1000
1
bar
mbar
kPa
MPa
atm
bar
1
1 × 103
100
0,1
0,986
mbar
1 × 10
1
0,1
1 × 10
kPa
1 × 10
10
1
MPa
10
1 × 10
atm
1,013
1013
psi
0,0689
68,948
-3
-2
4
G 1/4
OXIDIZING FLAME
psi
14,504
-4
9,869 × 10
0,0145
1 × 10
-3
9,869 x 10
0,145
1 × 10
1
9,869
145,038
1,013×102
0,101
1
6,895
6,89 × 10
-4
-3
3
14,696
6,895 x 10
-3
1
-2
Letter code
(ISO 7291)
Density at
1.013 bar 15°C
C2H2
A
1,109 bar
18 bar
Ar
N
1,691 bar
200 bar
Formula
Cylinder pressure
at 20°C
G 1/4 = 13,16 mm
Argon
G 3/8 = 16,66 mm
Helium
He
N
0,169 bar
200 bar
Carbon Dioxide
CO2
CO2
1,872 bar
53,7 bar
Propane
C2H8
P
1,901 bar
8,3 bar
Oxygen
O2
O
1,354 bar
200 bar
Nitrogen
N2
N
1,185 bar
200 bar
Hydrogen
H2
H
0,0852 bar
200 bar
G 1/2 = 20,95 mm
G 3/4 = 26,44 mm
Flammable gas
1 × 10
0,0167
Acetylene
G 5/8
G 5/8 = 22,91 mm
1
0,001 1
G 3/4
Non-flammable gas
m3
cm
Gas
G 3/8
dm3/Litre
GAS PROPERTIES
32 mm W 24,32; G 3/4
G 1/2
WELDING PROCESS
Pitch
mm
Oxidizer
100%
Fuel gas
Mark
FLOW RATES CONVERSION COEFFICIENT
Toxic gas
Shielding gas
Application
MAG
Metal Active Gas
CO2 , Ar+CO2, Ar+O2
Carbon steel, Stainless steel
MIG
Metal Inert Gas
Ar, Ar+He
Aluminium and Aluminium alloy, Titanium, Copper
Ar
Carbon steel, Stainless steel, Titanium, Copper, Aluminium and Aluminium
alloy
Conversion coefficient
Test gas
HIGH
19 mm G 3/8
30 mm W 21,8
NOT EXPLOSIVE
LOW
100%
Oxygen or Air
Typical
corresponding
thread
17 mm G 1/4
NEUTRAL FLAME
TRANSPORT SYMBOLS OF
HAZARDOUS SUBSTANCES
(ADR, ABSTRACT ONLY)
Explosive limit (%)
HEX
32 mm
30 mm
27 mm
Glossary: N - mixing ratio with neutral flame; M - mixing ratio with maximal flame temperature
cm3
16,667
1000
3
PRESSURE UNITS
2856
Methane
3
Air
Oxygen
Nitrogen
Argon
Hydrogen
Helium
Acetylene
LPG
CO2
1
0,95
1,02
0,851
3,81
2,695
1,05
0,800
0,808
0,983
0,93
1
0,837
3,75
2,65
1,03
0,784
0,792
Air
Nitrogen
TIG (WIG) Tungsten Inert Gas (Wolfram
Inert Gas)
8
20
21,8
EN 730-2
2835
H 10,758 119,533
NOT EXPLOSIVE
W21,8
Litre/h
0,42
Natural Gas
(Methan)
TPI
Gas welding equipment - Safety devices - Incorporating a flame (flashback) arrestor
0,36
H2
Propane
Tapping
Drill Size
mm
EN 730-1
(1 bar at 15°C)
Acetylene
Minor
Diameter
Nut
mm
1
M
EXPLOSIVE LIMITS
Major
Diameter
mm
m /h
N
Hydrogen
VOLUMES
m3/h Litre/h Litre/min
Equipment used in gas welding, cutting and allied processes - Safety devices for fuel gases and oxygen or compressed air - General
specifications, requirements and tests
M
Ethylene
1,814
FLOWS
N
Acetylene C2H2 A
Pitch
mm
1/4" NPT
Flame
Relative
Vol OXY / Vol FUEL temperature (°C) density to air
(MJ/m3) (MJ/kg)
1,337
20,95
Mixing ratio
Heating power
Fuel gas type
Pitch
mm
16,66
Major
Diameter
mm
ISO 5175
1
Yoke
W24,32
2
G3/4
Argon
WHITWORTH PARALLEL PIPE THREAD DIN 477-1
Gas welding equipment - Acetylene manifold systems for welding, cutting and allied processes -- General requirements
Acetylene
Hydrogen
N2O
ISO 14114
W21,7
G 1/2“
Nominal
Diameter
Gas welding equipment - Pressure regulators for manifold systems used in welding, cutting and allied processes up to 300 bar
W22,91
American Taper Pipe Thread, with sealant compound.
O2+N2O
O2+CO2
O2+He
EN ISO 7291
G5/8
G 3/8“
1/2" NPT
max. 0,5 m3/hour
SI22,91
13,16
Nominal
Diameter
For a 1 shift
(approx. 8 hours)
G3/4
NPT AMERICAN TAPER PIPE THREAD ANSI B 1.20.1
N2
Gas welding equipment - Pressure regulators and pressure regulators with flow-metering devices for gas cylinders used in welding,
cutting and allied processes up to 300 bar (30 MPa)
W21,8
G = British Standard Pipe Parallel Thread, with sealant
compound (parallel, cylindrical), external
He
EN ISO 2503
W21,8
max. 1 m3/hour
3
6
G 1/4“
Short-term consumption
(max.10 min.)
4
5
CO2
Gas cylinders - Cylinder valves with integrated pressure regulators - Specification and type testing
5
4
Nominal
Diameter
Transportable gas cylinders - Cylinder valves - Specification and type testing
EN ISO 22435
Oxygen
WHITWORTH PARALLEL PIPE THREAD
DIN ISO 228 BSPP (DIN 259)
C2H2
EN ISO 10297
6
3
Ar
Italy
UNI 11144
7
2
AIR
Ar+CO2
MAXIMAL FLOW RATE OF ACETYLENE PER 40L OR 50L CYLINDER AT 15°C
JANUARY
M
T W
1
2
1
6
7
MARCH
FEBRUARY
8
T
2
F
3
S
4
S
5
9 10 11 12
M
T W
T F
5
6
S
1
3
4
5
6 7
8
M
S
2
9
APRIL
T W
T
F
9
10
S
1
3
4
5
6
7
8
S
2
9
M
14
15
T W
1
7
MAY
8
2
T
3
F
4
S
5
S
6
9 10 11 12 13
M
T W
18
19
T
1
5
JULY
JUNE
6
7
8
F
2
S
3
S
M
T W
T
F
S
22
4
23
9 10 11
1
2
3
4
5
6
7
M
S
8
27
28
AUGUST
T W
1
7
8
2
T
3
F
S
4
5
S
6
9 10 11 12 13
M
T W
T
31
32
F
1
4
5
OCTOBER
SEPTEMBER
6
7
8
S
2
S
3
9 10
M
36
37
1
8
T W
2
3
T
4
F
5
S
6
M
S
7
9 10 11 12 13 14
T W
40
41
1
6
7
8
DECEMBER
NOVEMBER
T
F
S
M
S
5
44
9 10 11 12
45
2
3
4
3
T W
4
5
T
6
F
7
S
S
1
2
49
8
9
50
25
3 13 14 15 16 17 18 19
7 10 11 12 13 14 15 16
11 10 11 12 13 14 15 16
16 14 15 16 17 18 19 20
20 12 13 14 15 16 17 18
24
9 10 11 12 13 14 15
29 14 15 16 17 18 19 20
33 11 12 13 14 15 16 17
38 15 16 17 18 19 20 21
42 13 14 15 16 17 18 19
46 10 11 12 13 14 15 16
4 20 21 22 23 24 25 26
8 17 18 19 20 21 22 23
12 17 18 19 20 21 22 23
17 21 22 23 24 25 26 27
21 19 20 21 22 23 24 25
25 16 17 18 19 20 21 22
30 21 22 23 24 25 26 27
34 18 19 20 21 22 23 24
39 22 23 24 25 26 27 28
43 20 21 22 23 24 25 26
47 17 18 19 20 21 22 23
44 27 28 29 30 31
48 24 25 26 27 28 29 30
5 27 28 29 30 31
13 24 25 26 27 28 29 30
9 24 25 26 27 28
18 28 29 30
22 26 27 28 29 30 31
26 23 24 25 26 27 28 29
14 31
31 28 29 30 31
35 25 26 27 28 29 30 31
40 29 30
M
T W
T
F
S
S
1
2
4
5
6
7
8
9 10 11 12 13 14
3
51 15 16 17 18 19 20 21
52 22 23 24 25 26 27 28
1 29 30 31
9
1
O2
MAIN STANDARDS FOR INDUSTRIAL EQUIPMENT
10
0
GAS CYLINDER IDENTIFICATION - THREAD CONNECTION FOR PRESSURE REGULATORS FOR WORKING PRESSURE UP TO 200 BAR
COLOUR CODING ACCORDING TO
Gas/Country
Sweden Czech Republic Germany
France
UK
Spain
EN 1089-3 FOR INDUSTRIAL GASES Standard
SS 2238 ČSN 078600
DIN 477
NF E 29-650
BS 341 MIE-AP7
27 30
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Art. Nr. CALIGECS2013. © GCE 2014