Place of Origin:
China
Brand Name:
JINGNING
Certification:
CE
Model Number:
RFJY
Contact Us
Video
Video
Video
Introduction of reducer type rubber expansion joint
The utility model relates to a flexible eccentric eccentric rubber joint, which can solve the problem of different caliber when the metal pipe is connected,and has the function of shock absorption and noise reduction, and can save the installation parts of the pipeline and save the cost. The utility model is composed of an inner rubber layer, a fabric reinforcing layer, a middle rubber layer, an outer rubber layer, an end reinforcement, a metal ring or a steel wire ring, a metal flange or a parallel movable joint.
Specifications of stainless steel flanged concentric reducing rubber expansion joint
| Material List | ||
| No. | Name | Material |
| 1 | Outer rubber layer | IIR, CR, EPDM, NR, NBR |
| 2 | Inner rubber layer | IIR, CR, EPDM, NR, NBR |
| 3 | Frame layer | Polyester cord fabric |
| 4 | Flange | Q235 304 316L |
| 5 | Reinforcement ring | Bead ring |
| specification | DN50~300 | DN350~600 |
| Working pressure (MPa) | 0.25~1.6 | |
| Bursting pressure (MPa) | ≤4.8 | |
| Vacuum (KPa) | 53.3(400) | 44.9(350) |
| Temperature (℃) | -20~+115(for special condition -30~+250) | |
| Applicable medium | Air, compressed air, water, seawater, hot water, oil, acid-base, etc.. | |
| DN(large)×DN(small) | Length | Axial displacement (extension) |
Axial displacement (compression) |
Radial displacement |
Deflecting angle |
| (a1+a2)° | |||||
| 50×32 | 180 | 15 | 18 | 45 | 35° |
| 50×40 | 180 | 15 | 18 | 45 | 35° |
| 65×32 | 180 | 15 | 18 | 45 | 35° |
| 65×40 | 180 | 15 | 18 | 45 | 35° |
| 65×50 | 180 | 15 | 18 | 45 | 35° |
| 80×32 | 220 | 15 | 18 | 45 | 35° |
| 80×50 | 180 | 20 | 30 | 45 | 35° |
| 80×65 | 180 | 20 | 30 | 45 | 35° |
| 100×40 | 220 | 20 | 30 | 45 | 35° |
| 100×50 | 180 | 20 | 30 | 45 | 35° |
| 100×65 | 180 | 22 | 30 | 45 | 35° |
| 100×80 | 180 | 22 | 30 | 45 | 35° |
| 125×50 | 220 | 22 | 30 | 45 | 35° |
| 125×65 | 180 | 22 | 30 | 45 | 35° |
| 125×80 | 180 | 22 | 30 | 45 | 35° |
| 125×100 | 200 | 22 | 30 | 45 | 35° |
| 150×50 | 240 | 22 | 30 | 45 | 35° |
| 150×65 | 200 | 22 | 30 | 45 | 35° |
| 150×80 | 180 | 22 | 30 | 45 | 35° |
| 150×100 | 200 | 22 | 30 | 45 | 35° |
| 150×125 | 200 | 22 | 30 | 45 | 35° |
| 200×80 | 260 | 22 | 30 | 45 | 35° |
| 200×100 | 200 | 25 | 35 | 40 | 30° |
| 200×125 | 220 | 25 | 35 | 40 | 30° |
| 200×150 | 200 | 25 | 35 | 40 | 30° |
| 250×100 | 260 | 25 | 35 | 40 | 30° |
| 250×125 | 220 | 25 | 35 | 40 | 30° |
| 250×150 | 220 | 25 | 35 | 40 | 30° |
| 250×200 | 220 | 25 | 35 | 40 | 30° |
| 300×125 | 260 | 25 | 35 | 40 | 30° |
| 300×150 | 220 | 25 | 35 | 40 | 30° |
| 300×200 | 220 | 25 | 35 | 40 | 30° |
| 300×250 | 220 | 25 | 35 | 40 | 30° |
| 350×200 | 230 | 28 | 38 | 35 | 26° |
| 350×250 | 230 | 28 | 38 | 35 | 26° |
| 350×300 | 230 | 25 | 38 | 40 | 26° |
| 400×200 | 230 | 25 | 38 | 40 | 26° |
| 400×250 | 240 | 28 | 38 | 35 | 26° |
| 400×300 | 240 | 28 | 38 | 35 | 26° |
| 400×350 | 260 or | 28 | 38 | 35 | 26° |
| 285 | |||||
| 450×250 | 280 | 28 | 38 | 35 | 26° |
| 450×300 | 240 | 28 | 38 | 35 | 26° |
| 450×350 | 240 | 28 | 38 | 35 | 26° |
| 450×400 | 240 | 28 | 38 | 35 | 26° |
| 500×250 | 280 | 28 | 38 | 35 | 26° |
| 500×300 | 280 | 28 | 38 | 35 | 26° |
| 500×350 | 240 | 28 | 38 | 35 | 26° |
| 500×400 | 230 | 28 | 38 | 35 | 26° |
| 500×450 | 240 | 28 | 38 | 35 | 26° |
| 600×400 | 240 | 28 | 38 | 35 | 26° |
| 600×450 | 240 | 28 | 38 | 35 | 26° |
| 600×500 | 240 | 28 | 38 | 35 | 26° |
Send your inquiry directly to us
