IGC - eiga

IGC Part 1 Annex 1B Valve Outlets for Flammable Gases DOC 97/03
Screw thread
Gas External Internal
Left Hand Right hand Left hand Right hand Clamp
18.92 20 20.96 20.96 21.8 21,8* 22 22.91 22.92 25.4 26 28.57 30 20.96 21.8 22.91 22.92 25.4 26.16 28.57 22.48 22.5 22.91 22.91 22.92 16.66 26.44
Name Chemical 1.814 1.814 1.814 1.814 1.814 1.814 1.814 1.814 1.814 3.175 1.814 1.814 1.814 1.814 1.814 1.814 1.814 3.175 1.814 1.814 1.814 1.814 1.814 1.814 1.814 1.411 1.814
(former name) Formula 0.745 20 W 1/2 BSP 0.825 0.86 SI 22 GB 5/8 BSP 1 BSW 26 1.125 30 W 0.825 0.86 GB 5/8 BSP 1 BSW 1.03 1.125 0.885 22.5 G W 14 5/8 BSP 3/8 NGT 3/4 BSP
14 NGO 14 F 14 14 NGO BSW 14 W14 5/8/16 F 14 8 W14 14 UNS 14 14 NGO BSW 14 5/8/16 F 14 8 14 NGO 14 UNS 14 NGO W14 5/8/16 F 14 18 F 14
Acetylene CH=CH GR, SP, FR(M) UK, IE NO, FI,
SE,
PT IT(NF) CH, IS,
DK
Deuterium D 2
Ethane CH 3-CH3
Ethylene CH 2-CH2
Hydrogen H 2
Methane CH 4
Butane C 4H10
IT(M) NO, AT,
DE, CH,
IT(M) NO, AT,
DE, CH,
IT(M) NO, AT,
DE, CH,
IT(M) NO, AT,
DE, CH,
GR, SP*,
FR,
FI, SE PT, NL
GR, SP*,
FR,
FI, SE PT, NL
GR, SP*,
FR,
FI, SE PT, NL
FI, SE, BE,
IS,
DK
IT(M) NO, AT,
DE, CH,
FI, SE, BE,
IS,
DK
IT(M) NO, AT,
DE, CH,
Butene-1 CH 3-CH2-CH IT(M) NO, AT,
DE, CH,
Butene-2 CH 3-CH=CH-CH3
Isobutane (CH 3)2CH-CH3
2-Methylpropene CH 2=C(CH3)2
GR, SP*,
FR,
PT, NL
GR, SP*,
FR,
NL
NL, SP*,
PT,
UK, IE
NO UK, IE
FI, SE FR UK, IE
NL, SP*,
PT,
FI FR
IT(M) NO, AT, NL, SP*,
DE, CH, PT,
FI FR UK, IE
IT(M) NO, AT,
DE, CH,
(Isobutylene) FI FR
Propane CH 3-CH2-CH3
NL, SP*,
PT,
IT(M) NO, AT, NL, SP*,
DE, CH, PT,
FI, SE GR, FR
*21,8(21,7) 14
NO, SE
UK, IE
UK, IE
UK, IE
UK, IE
UK, IE
SE,DK
AT,IT(P),IS
NO, SE UK, IE NO
(P) Prefered
(NF) Not Forbidden
(M) Mandatory