1.Itis widely used in water supply and drainage, recycled water, air conditioning and heating, fire control, ship, water pump, and compressor, Etc. They are low cost vibration and deflection absorption in fluid conveyance pipes.
2.The bellow consists of two symmetrical connecting end, either threaded unions for small nominal bores or flanged ends for large nominal bore pipelines.
3.They are ideal for compensating thermal expansion and contraction in piping system as an unbeatable cost effective alternative to expansion loops which require large amounts of materials and space.
2.Material of each Components,
1). Out/inner Rubber: EPDM/NBR/NR
2). Structure: Reinforce with Nylon Cord fabric
3). Support Ring: Steel Wire.
4). Thread: Malleadble Cast Iron Forged.
1). Working Pressure: 1.6MPa(16kg.f/cm2)
2). Explosion Pressure: 4.86MPa(16kg.f/cm2)
3). Temperature: -15-115, for special: -30-+250
4). Deflexion Angle: (a1+a2)45
5). Vacuum: 53.3KPa(400mmHg).
6). Media: Water, Seawater, Hot water, Air, Oil, Acid, Alkali, etc.
Gongyi City Liangda Tubes Co., Ltd. was established in 1985. Our predecessor is Gongyi Changfen Village Mechanical Factory. In 2007, our company was transformed into a limited liability company (Gongyi City Liangda Tubes Co., Ltd.; GYLDT for short). Since foundation, our company is specialized in the production of rubber expansion joints (flexible rubber joints) , rubber check valves (duckbill valves), steel expansion joints, flexible butterfly valves and flanges.