GL Type Gravity Damper (Check Valve)
1. Features:
- The gravity damper are specially designed for sea environment, and made of stainless steel material. The gravity damper could effectively prevent hydrosphere and salt fog, and work well in this environment in HVAC dust system and keep the positive pressure in control area in order to prevent the reverse air flow.
2. Outline drawing:
3. Type & Parameter:
| Type | a x b | L | Flange size |
| GL-axb | 100×100~800×800 | 100~200 | According to GB1561-79 |