Product features
1. It can be divided into general and special categories according to the performance.
It is suitable for transportation of acid solution with concentration below 15 ℃ or water below 80 ℃.
Special category: suitable for special performance requirements, such as oil resistance, acid and alkali resistance, temperature resistance, wear resistance, etc.
2. It can be divided into single sphere, double sphere, three sphere, elbow sphere, fan coil unit, etc. Each form can be divided into concentric equal diameter, concentric diameter reduction and eccentric diameter reduction.
3. According to the shape, it can be divided into:
Concentric diameter, concentric diameter reduction, eccentric diameter reduction.

Materials of main parts and components
Body: polar rubber
Lining: nylon cord fabric
Skeleton: rigid wire
Flange: mild steel

Performance specification
Working pressure: 0.6 ~ 1.6Mpa
Applicable temperature: - 20 ~ + 115 (special up to - 30 + 250) ℃
Applicable media: air, compressed air, water, seawater, hot water, oil, acid and alkali, etc