F85DJ DOUBLE SPHERE RUBBER FLEXIBLE JOINT

PN16/PN25     Fig No.: F85DJ16/F85DJ25

GENERAL
Absorbs and reduces vibration and shock in the system.
Absorbs the stress generated by the expansion and compression of the pipe line.
Provides flexibility to the system as allowance connection and installation error.
Excellent resistance against pressure.

FEATURES
Molded and vulcanized in hydraulic presses.
Solid carbon steel internal reinforcing ring.
3-pin ductile iron screwed connection to EN 10226-1 (ISO 7).

APPLICATIONS
Building Services, Air-Conditioning, Fire-Protection, Cold Water Plumbing, Sewerage & Water Treatment, Marine Services, General Industries.
Suitable for suction and discharge within specify working pressure.

Materials

Part Material 
Union Flange Ductile Iron
Bolt Mild Steel
Nut Mild Steel
Washer Mild Steel
Inner Rubber EPDM
Outer Rubber EPDM
Reinforcing Cord Synthetic Fiber
Union Edge Malleable Iron

 

Operating Limits

Operating Pressure & Temperature

Dimensions (mm)

Diameter Dimension Pre-Gap Allowable Movements(mm)
mm inch L
(mm)
L
(mm)
Axial Elongation
(mm)
Axial Compression
(mm)
Lateral Displacement
(mm)
Angle of Deflection
(°)
15 ½ 120 30 10 15 15 30
20 ¾ 120 30 10 15 15 30
25 1 120 30 10 15 15 30
32 175 35 10 15 15 30
40 175 35 10 15 15 30
50 2 175 40 10 15 15 30

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