Video
| | |
| Employees explain COVNA food grade ball valve | Employees explain COVNA's popular pneumatic butterfly valve |
Parameters
Why choose COVNA
1. Average trouble-free operation time exceeds 10,000 hours, leakage rate below 0.01%
2. Pipeline valves comply with API 6D standards; quality management certified by ISO 9001
3. Valves can be manufactured according to your technical drawings with laser-engraved company logos
4. Integrated control valve/ball valve assembly workshops (6,800 m²) with daily production capacity of 5,000 units
5. Rigorous 5-stage pressure and airtightness testing ensures 99.8% qualification rate, backed by a 5-year lifespan guarantee
