Z4-type expansion joint sets of features: Z4-type expansion sleeve by the taper of different openings double cone inner ring and open double cone outer ring and two double cone compression ring, with hex bolts lock. Compared with the Z2 type, the combination of face length, high precision, for high precision rotation and the need to pass a larger load of the occasion.

Tag example

Inner diameter d = 130mm, diameter D = 180mm Z2-type expansion joint sleeve: expansion sleeve Z2-130 × 180

Install the reference example

• Z2 type expansion joint sets
• Z19A type locking connection