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
Ethyl methyl ether C2H5OCH3 (Methyl ethyl ether)
Methyl vinyl ether CH 3OCH-CH2
(Vinyl methyl ether)
Ethylamine C 2H5NH2
(Monoethylamine)
IT(P)
IT(P) AT, SE,
CH, DE
UK, IE AT, SE,
CH, DE
Propyne
(Methylacetylene)
CH3-C=CH SE SP*, NL,
PT
3-Methyl (CH3)2CH-CH=CH2 1-butene
NL, FR UK, IE
FR UK, IE
NL, FR IT(M)
FR UK, IE
IT(P) AT NL,FR IT(NF) UK, IE
Methylamine CH3NH2 UK, IE AT, SE,
CH, DE
SP*, NL,
FR,
(Monomethylamine) PT IT(M)
Trimethylamine (CH 3)3N UK, IE AT, SE,
CH, DE
1-Chloro CH 3CClF2
1,1-Difluoroethane
Chlorotrifluor- CClF=CF 2
ethylene
1,1-Difluoroethane CH3-CHF 2
1,1-Difluoroethylene CH 2=CF2
SP*, NL,
FR,
PT
IT(M) AT, DE, CH SP*, NL,
FR,
PT
IT(P) AT, DE, CH SP*, PT,
FR
IT(M) AT, DE, CH SP*, NL,
FR,
PT
IT(M) AT, DE, CH SP*, NL,
FR,
PT
IT(M)
UK, IE FI
UK, IE NL FI IT(NF)
UK, IE FI
UK, IE FI
Fluoromethane CH 3F IT(M) FR UK, IE NL FI
(Methyl fluoride)
Fluoroethylene CH 2=CHF IT(M) AT, DE, CH FR UK, IE
(Vinyl fluoride)
Tetrafluorethylen CF 2=CF2
IT(M) NL, FR UK, IE FI
*21,8(21,7) 16
FI
(P) Prefered
(NF) Not Forbidden
(M) Mandatory