German standard flexible rubber joint Single Rubber Joint 1. Flanged single sphere expansion rubber joint can greatly reduce pipeline system vibration and noise, can solve the problem of joint displacement, axial expansion, etc. 2. According to different materials manufacture, flexible rubber joint can be made into many kinds: acid resistance, alkali resistance, corrosive resistance, oil resistance, heat resistance, adapt to many mediums and different environment. 3. Material is polar rubber, good sealing, light weight, easy installation, long service life, avoid contacting with sharp metal device. 4. If use overhead, can match with elastic support, when installation, bolt with diagonal method to tighten up. 5. If pipeline pressure is high, use bolt connect the flange both ends. 6. Flange connection standard is GB4216.3-4216.5. Features  Minimal axial dimensions   Limited weight   Low warping forces   High-resistance to work   High-capacity acoustic damping Working Pressure(Bar) 10 16 25 Bust pressure(Bar) 30 48 55 Vacuum(mm Hg) 400 650 750 MATERIAL OF EACH PARTS No. Part Meterial 1 Body NR, CR, IIR, NBR, FKM, EPDM 2 Inner & Outer Rubber NR, CR, IIR, NBR, FKM, EPDM, PTFE 3 Body Carcass Nylon cord fabric 4 Reinforcing Ring Multi-strand coppering steel wire 5 Flange Cast and forged carbon steelStainless steelPlastic (CPVC, PVDF, PPH, UPVC, RPP)