IGC - eiga

IGC Part 1 Annex 1A Valve Outlets for Toxic Gases DOC 97/03
Gas
Screw thread
External
Left Hand
16.66 20 20.96 21.8 21,8* 22 22.91 22.92 25.4 26 26,16** 28.57 30
Name Chemical 1.338 1.814 1.814 1.814 1.814 1.814 1.814 1.814 3.175 1.814 1.814 1.814 1.814
(former name) Formula 3/8 BSP 20 W 0.825 0.86 SI 22 GB 5/8 BSP 1 BSW 26 1.03 1.125 30 W
F 19 14 14 NGO BSW 14 W 14 5/8/16 F 14 8 W 14 14 NGO 14 UNS 14
Ethylene Oxide C 2H4O UK, IE IT ***M)
NO, CH, FI, FR, SP, PT UK, IE NL
SE, DE, BE, AT
Carbonyl Sulfide COS UK, IE UK, IE FR, SP, PT SE, FI, NL
Hydrogen Sulfide H 2S UK, IE IT UK, IE BE FR, SP, PT CH, FI, NO,
GR NL, AT, DE, SE
Phosphine PH 3
IT P)
UK, IE AT, CH, DE, SP, FR, SP, PT NL, SE
FI, UK
Hydrogen Selenide SeH 2 UK, IE FI, UK, IE FR, SP, PT CH, AT, NL,
DE
Ammonia NH 3 FI IT M)
Bromo Methane CH 3Br FR UK, IE DE
(methyl bromide
Hydrogen Bromide HBr UK, IE DE
Hydrogen Fluoride HF DE
Hydrogen Iodide HI UK, IE
Nitrogen Trifluoride NF 3 UK, IE
**SP,PT 26.1 (1.814)
* SP,PT 21,8 (21.7) 8
(M) Mandatory
(P) Prefered
(NF) Not Forbidden