 
				| Drawing No. | Bottle mouth connection thread | Straw connection thread | Nozzle connection thread | Maxi allowable pressure(bar) | Test pressure(bar) | Action pressure of the pressure relief device(bar) | Working temperature | Certificate | 
| WN52-04-0Rev.1 | 25E | M10×1 | W21.8×1-14 | 174 | 250 | 225±22.5 | -30℃~+60℃ | CE | 
| WN52-04A-0Rev.1 | 25E | M10×1 | W21.8×1-14 | 174 | 250 | 225±22.5 | -30℃~+60℃ | CE | 
| WN52-04B-0Rev.1 | 25E | M10×1 | W21.8×1-14 | 174 | 250 | 225±22.5 | -30℃~+60℃ | CE | 
| WN52-04C-0Rev.1 | 25E | M10×1 | W21.8×1-14 | 174 | 250 | 225±22.5 | -30℃~+60℃ | CE |