The marine tank breather valve is CB 692-94 standard.
- Nominal diameter: DN80~150
- Nominal working pressure: Pressure valve ≤+0.021MPa; Vacuum valve ＜-0.007MPa
- For ventilation vacuum pressure system of cargo oil tank.
Material table of main parts:
| Part Name | Material |
| Valve body | ZG230-450, HT200 |
| Valve cover | ZG230-450, HT200 |
| Outer cover of suction | ZG230-450, HT200 |
| Guide rod | 2Cr13 |
| Cranking handle | Q235-A |
| Pull ring | Q235-A |
| Valve cover | ZQAl9-2 |
| Valve seat | ZQAl9-2 |
| Spring upper plate | ZQAl9-2 |
| Gravity block | ZQAl9-2 |
| Adjust sleeve | ZQAl9-2 |
| Stern | QAl9-2 |
| Spring | QSi3-1 |
| Waterproof net cover | ZHMn58-2 |
| Sleeve | ZHMn58-2 |
| Seal ring | 3709 |
CCS certified and GL, LR, DNV, BV, RLNA, ABS, NK, and KR certificates could be provided as per requirement.
Please feel free to send us an inquiry of our marine tank breather valve.
