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Leading Flexible Hose & Expansion Joint Manufacturer & Supplier

dgff_dgww

DGFF / DGWW Double Gimbal

Description
Two metal bellows elements connected by a pipe centre spool fitted with flanges or pipe weld ends, with external gimbal rings and offset hinge plates and pins, to contain complex multi-plane movements in a piping system.
These joints are virtually two single GFF joints connected by a factory fitted pipe piece thereby reducing the system weight by involving two flanges instead of four, and assisting in installation by not having to provide the spool piece on site.

Movement Capability
Suitable for large lateral offset movements in any lateral plane with minimal reaction forces.

Standards
Manufactured to the guidelines laid down in the Standards of the Expansion Joint Manufacturers Association Inc. (EJMA).

Pressure Rating – standard joints
4, 10 and 20 bars – subject to pressure capability of attached hardware.

Bore Size Range – standard
50 – 1500mm

Product Code
Type DGFF – flanges both ends
Type DGWW – pipe weld ends both ends
Type DGFW – flange one end, weld end the other

Pipework System Notes
Gimbal hardware is attached to contain pressure thrust forces and in many cases support the dead weight of the adjacent pipework.
Heavy expensive main anchors are usually not necessary, and only minimal guiding is required.

RADCOFLEX recommends you consult your pipework engineer on pipework design and expansion joint selection.

Full technical specification booklets are available from RADCOFLEX to assist.

Price

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