A number of countries stipulate their own valve standards. The table below details the most common ones. If you are unsure you should refer to your cylinder for further information or consult the gas supplier for advice. Bear in mind that if you are using the equipment in another country, then the standard of the equipment you are connecting to may not be the same as you are used to.
| British Standard - BS10 |
G 1/2" RH BSPM |
| British Standard - BS12 |
G 1/2" RH BSPM |
| British Standard - BS3 |
G 5/8" RH BSPF |
| British Standard - BS4 |
G 5/8" LH BSPF |
| British Standard - BS6 |
G 5/8" RH BSPM |
| British Standard - BS8 |
W 0.860" RH Male |
 |
| American Standard - CGA330 |
0.825" 14 NGO LH Male (flat nipple) |
| American Standard - CGA350 |
0.825" 14 NGO LH Male (round nipple) |
| American Standard - CGA580 |
0.965" 14 NGO RH Female |
| American Standard - CGA670 |
1.030" 14 NGO LH Male (face washer) |
|
| German Standard - DIN 1 |
W 21.80 x 1/14" LH Male |
| German Standard - DIN 3 |
Norm DIN477 |
| German Standard - DIN 10 |
W 24.32 x 1/14" RH Male |
| German Standard - DIN 6 |
W 21.80 x 1/14" RH Male |
| German Standard - DIN 7 |
G 5/8" RH Male |
| German Standard - DIN 8 |
W 1" RH Male |
| German Standard - DIN 9 |
G 3/4" RH Male |
|
| Dutch Standard - RI2 |
G 5/8" RH Female |
| Dutch Standard - RU6 |
W 28.8 x 1/14" RH Male |
| Dutch Standard - DIN 1 |
W 21.80 x 1/14" LH Male |
| Dutch Standard - DIN 3 |
Norm DIN477 |
| Dutch Standard - DIN 10 |
W 24.32 x 1/14" RH Male |
| Dutch Standard - DIN 6 |
W 21.80 x 1/14" RH Male |
| Dutch Standard - DIN 7 |
G 5/8" RH Male |
| Dutch Standard - DIN 8 |
W 1" RH Male |
| Dutch Standard - DIN 9 |
G 3/4" RH Male |
|
| Belgian Standard - DIN 1 |
W 21.80 x 1/14" LH Male |
| Belgian Standard - DIN 3 |
Norm DIN477 |
| Belgian Standard - DIN 10 |
W 24.32 x 1/14" RH Male |
| Belgian Standard - DIN 6 |
W 21.80 x 1/14" RH Male |
| Belgian Standard - DIN 7 |
G 5/8" RH Male |
| Belgian Standard - DIN 8 |
W 1" RH Male |
| Belgian Standard - DIN 9 |
G 3/4" RH Male |
| Belgian Standard - TYPE A (H2 for BE) |
W 20.7 x 1/14" LH Male |
|
| French Standard - Type B |
Norm AFNOR NF E 29-650 |
| French Standard - Type C |
IS 21.7 x 1.814 RH Male |
| French Standard - Type D |
Norm AFNOR NF E 29-650 |
| French Standard - Type E |
IS 21.7 x 1.814 LH Male |
| French Standard - Type F |
IS 22.91 x 1.814 RH Female |
| French Standard - Type H |
W 22.91 x 1.814 LH Female |
| French Standard - Type K |
W 27.0 x 2.0 RH (non flammable, corrosive) |
| French Standard - Type M |
Norm AFNOR NF E 29-650 |
| French Standard - Type P |
W 27.0 x 2.0 RH (oxidants, corrosive) |
