Catalog excerpts
The internal expansion and support device Performance and Purpose The device is taking advantage ot polyurethane elastomer of h.gh elasticity, high strength characteristics to design the internal expansion and support device for the pipe threading machine, when used iust can pul conica1 extrusion ring, the expansion ring engenders uniform rodiol deformation by the action of conical extrusion ring, which makes the exponsion ring enclose the hole of steel pipe firmly in order to fixed steel pipe and centering, the device has type i and it . copied with car product Of Type Z expansion ring for ppe-threading machine. Working conditions Working medium: water, emulsion, hydroullc Oi Working temperature: -20 to ♦80'C Material: Polyurethane- Steel Skeleton Design standards: Refer fo GB/T3672.1-2002 tolerance. Sample tor ordering sign: Marked 'he type, size ond order no. of the seating components. Order No. only is also permitted. Type Order No. Order length by dient Size of steel pipe Structure of device
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