Flexible Flanged Rubber Expansion Joint
Basic Info
Model No.: DN20-DN1200
Product Description
Model NO.: DN20-DN1200 Product Name: Flexible Rubber Joint
Size: DN20-DN1200
Standard: DIN2576, ANSI150LB, BS4504, JIS
Rubber material: EPDM, NBR, NR, NEOPRENE
Flange material: Q235 Galanized
Rubber Expansion Joint, Rubber Flexible Joint, Rubber bellow
Certificate: ISO9001, CE, SGS
Type: With control rod, without control rod
Bellow Type: Single sphere, double sphere
End: Flanges
Working pressure: 0.35MPa-1.4Mpa
Working temperature: 80Deg-110 Deg
Bursting Pressure: 3.0-4.8Mpa
Flanges standatd: ANSI, JIS, BS, DN
Bellow materials: EPDM, Neopresne,
Nature rubber, Nitrile, Hypalon
Usage: The rubber joints have been supplied to every aspect of industry and builing, They are designed to compensate for axial, lateral, angular movements and vibrations in piping systems and equipment, which operate at varying conditions of pressure and temperature.
Packing: Cartons then in poly-wooden cases.
Payment: LC. DP. TT
Pressure/Temp Correction Factor
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Size: DN20-DN1200
Standard: DIN2576, ANSI150LB, BS4504, JIS
Rubber material: EPDM, NBR, NR, NEOPRENE
Flange material: Q235 Galanized
Rubber Expansion Joint, Rubber Flexible Joint, Rubber bellow
Certificate: ISO9001, CE, SGS
Type: With control rod, without control rod
Bellow Type: Single sphere, double sphere
End: Flanges
Working pressure: 0.35MPa-1.4Mpa
Working temperature: 80Deg-110 Deg
Bursting Pressure: 3.0-4.8Mpa
Flanges standatd: ANSI, JIS, BS, DN
Bellow materials: EPDM, Neopresne,
Nature rubber, Nitrile, Hypalon
Usage: The rubber joints have been supplied to every aspect of industry and builing, They are designed to compensate for axial, lateral, angular movements and vibrations in piping systems and equipment, which operate at varying conditions of pressure and temperature.
Packing: Cartons then in poly-wooden cases.
Payment: LC. DP. TT
Pressure/Temp Correction Factor
Material List : | |||||||||||||||
No. | Name | Material | |||||||||||||
1) | Inner rubber lining | IIR,CR,EPDM,NR,NBR | |||||||||||||
2) | Outer rubber lining | IIR,CR,EPDM,NR,NBR | |||||||||||||
3) | Casing ply | Polyester cord fabric | |||||||||||||
4) | Flange | Q235A,stainless steel | |||||||||||||
5) | Strengthening ring | Q235A | |||||||||||||
6) | Stopper | Q235A,stainless steel | |||||||||||||
7) | Limit bar | Q235A,35#,stainless steel | |||||||||||||
8) | Nut | Q235A,35#,stainless steel | |||||||||||||
4. Physical and Mechanical Properties of Rubber Expansion Joint : | |||||||||||||||
No. | Item | index | Measured value | ||||||||||||
Inner/outer rubber lining | |||||||||||||||
1) | Tensile strength (Mpa) | ≥12 | 13.5 | ||||||||||||
2) | Tensile yield (%) | ≥450 | 560 | ||||||||||||
3) | Tension set at break (%) | ≤25 | 20 | ||||||||||||
4) | Hardness (Shore A hardness) | 60±5 | 60 | ||||||||||||
5) | Brittleness temperature (°C) | ≤-30 | -40 | ||||||||||||
6) | Cohesive strength (between cord fabric) (KN/m) | ≥2.0 | 4.8 | ||||||||||||
7) | 100°Cx48h Hot air aging | Rate of Tensile Strength Reduction | ≤25 | 15 | |||||||||||
Rate of Ultimate Elongation Reduction | ≤30 | 20 | |||||||||||||
8) | Mass change (10%H2SO4*Room temperature) % | ≤3 | 2 | ||||||||||||
9) | Mass change (10%H2SO4*Room temperature) % | ≤3 | 2 | ||||||||||||
5. Technical Parameters for Double Sphere Flexible Rubber Joint : | |||||||||||||||
DN Diameter | FF Length (mm) | Axis displacement | Radial displacement | Deflexion displacement | |||||||||||
Type-I | Type-II | Type-I | Type-II | Type-I | Type-II | ||||||||||
mm | inch | Extension | Compression | Extension | Compression | ||||||||||
32 | 1¼″ | 90 | 6 | 10 | 9 | ±7.5° | |||||||||
40 | 1½″ | 95 | 7 | 10 | 9 | ±7.5° | |||||||||
50 | 2″ | 105 | 7 | 10 | 10 | ±7.5° | |||||||||
65 | 2½″ | 115 | 7 | 13 | 11 | ±7.5° | |||||||||
80 | 3″ | 135 | 8 | 15 | 12 | ±7.5° | |||||||||
100 | 4″ | 150 | 10 | 19 | 13 | ±7.5° | |||||||||
125 | 5″ | 165 | 12 | 19 | 13 | ±7.5° | |||||||||
150 | 6″ | 180 | 12 | 20 | 14 | ±7.5° | |||||||||
200 | 8″ | 210 | 16 | 25 | 30 | 35 | 22 | 25 | ±7.5° | ±10° | |||||
250 | 10″ | 230 | 16 | 25 | 30 | 40 | 22 | 25 | ±7.5° | ±12° | |||||
300 | 12″ | 245 | 16 | 25 | 30 | 40 | 22 | 25 | ±7.5° | ±12° | |||||
350 | 14″ | 255 | 16 | 25 | 35 | 45 | 22 | 30 | ±7.5° | ±12° | |||||
400 | 16″ | 255 | 16 | 25 | 35 | 45 | 22 | 30 | ±7.5° | ±12° | |||||
450 | 18″ | 255 | 16 | 25 | 36 | 47 | 22 | 30 | ±7.5° | ±12° | |||||
500 | 20″ | 255 | 16 | 25 | 36 | 48 | 22 | 30 | ±7.5° | ±12° | |||||
600 | 24″ | 260 | 16 | 25 | 40 | 50 | 22 | 33 | ±7.5° | ±12° | |||||
700 | 28″ | 260 | 16 | 25 | 40 | 55 | 22 | 33 | ±7.5° | ±12° | |||||
750 | 30″ | 260 | 40 | 55 | 33 | ±12° | |||||||||
800 | 32″ | 260 | 16 | 25 | 45 | 55 | 22 | ±7.5° | ±12° | ||||||
900 | 36″ | 260 | 16 | 25 | 45 | 55 | 22 | 35 | ±7.5° | ±12° | |||||
1000 | 40″ | 260 | 16 | 25 | 45 | 60 | 22 | 35 | ±7.5° | ±12° | |||||
1100 | 44″ | 300 | 45 | 60 | 35 | ±7.5° | ±12° | ||||||||
1200 | 48″ | 300 | 16 | 25 | 50 | 60 | 24 | 38 | ±7.5° | ±10° | |||||
1300 | 52″ | 300 | 50 | 60 | 38 | ±10° | |||||||||
1400 | 56″ | 350 | 50 | 70 | 40 | ±10° | |||||||||
1500 | 60″ | 350 | 60 | 70 | 40 | ±10° | |||||||||
1600 | 64″ | 350 | 18 | 25 | 60 | 70 | 24 | 46 | ±7.5° | ±10° | |||||
1800 | 72″ | 400 | 18 | 25 | 60 | 75 | 24 | 48 | ±7.5° | ±10° | |||||
2000 | 80″ | 450 | 70 | 75 | 50 | ±10° | |||||||||
2200 | 80″ | 400 | 70 | 75 | 50 | ±10° | |||||||||
2200 | 88″ | 500 | 70 | 80 | 60 | ±10° | |||||||||
2400 | 96″ | 500 | 80 | 80 | 60 | ±10° | |||||||||
2600 | 104″ | 500 | 85 | 80 | 60 | ±10° | |||||||||
2800 | 112″ | 550 | 85 | 80 | 60 | ±10° | |||||||||
3000 | 120″ | 550 | 85 | 80 | 60 | ±10° |
Product Categories : Ductile Iron Pipe Joint
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