Steel-Plastic Coated Rubber Ring Joint 45° Elbow for Water

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A steel-plastic coated rubber ring joint 45° elbow with rubber ring sockets on both ends. The external metal reinforcement layer provides ultra-high strength.
  • Diameter Range: 63-1200mm
  • Pressure Rating: PN10, PN16, PN25
  • Applicable Standards: GB/T 10002.2, ISO 1452-3
  • Stock Availability: In stock
  • Sample Policy: Free sample available
  • Lead Time: 5–30 days

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The Steel-Plastic Coated Rubber Ring Joint 45° Elbow for Water is a double-socket 45° elbow with a steel-reinforced body, designed for smooth low-angle turns in large-diameter water supply systems.

Steel-Plastic Coated Rubber Ring Joint 45° Elbow for Water
Nominal Diameter Φ63 Φ75 Φ90 Φ110 Φ125 Φ140 Φ160 Φ200 Φ225 Φ250 Φ280 Φ315 Φ355 Φ400 Φ450 Φ500 Φ560 Φ630 Φ710 Φ800
Inside Diameter Φ64.5 Φ77 Φ92 Φ112 Φ127 Φ142 Φ162.5 Φ203 Φ228 Φ253 Φ283 Φ318 Φ359 Φ405 Φ455 Φ506 Φ566 Φ637 Φ717 Φ808
Tolerance +0.5 +0.5 +0.5 +0.5 +1.2 +1.2 +1.2 +1.2 +1.2 +1.5 +1.5 +1.5 +1.5 +2 +2 +2 +2 +2 +2 +2
L±3 100 115 120 125 125 130 135 150 170 175 185 185 210 225 235 245 250 285 290 300

Key Features of Steel-Plastic Coated Rubber Ring Joint 45° Elbow for Water

  • Steel-plastic composite structure gives external metal reinforcement for ultra-high strength.
  • Double socket design has rubber ring sockets on both ends.
  • 45° smooth turn provides low local resistance and smooth flow transition.
  • Large diameter capability reaches up to 1200mm.

Manufacturing Process of Steel-Plastic Coated Rubber Ring Joint 45° Elbow for Water

Each is produced by forming the internal UPVC layer, applying external metal reinforcement coating, and machining rubber ring grooves in both sockets.

Critical Process Parameters of Steel-Plastic Coated Rubber Ring Joint 45° Elbow for Water

  • Bonding strength between metal reinforcement and PVC layer.
  • Rubber ring groove accuracy on both sockets.
  • 45°±1° bend angle control.

Raw Material Characteristics of Steel-Plastic Coated Rubber Ring Joint 45° Elbow for Water

  • Inner layer: UPVC.
  • Outer layer: Steel or ductile iron.
  • Sealing rings: EPDM.

Typical Applications of Steel-Plastic Coated Rubber Ring Joint 45° Elbow for Water

  • is used for low-angle turns on large-diameter water supply pipes.
  • serves pipes following terrain slopes.
  • is used with 45° wye tees for streamlined branches.

Application Scenarios of Steel-Plastic Coated Rubber Ring Joint 45° Elbow for Water

  • 45° smooth directional changes for large-diameter water supply pipes — is the standard elbow for these transitions.
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