• Belmark Industries

Air Shaft

Belmark Industries manufactures Air Expanding Shaft. This is a core-holding device suitable for 3 inches core inside diameter and 70mm core diameter. Air valve shaft rubber bladder, Lugs type Air expanding shaft can locate at face length or shaft end according to requirements. In case of failure of airshaft rubber bladder, the service mechanic can easily replace the tube. Importance is given to valve fitting and Teflon tape sealing of valve thread to avoid damage of O-rings. To avoid overfilling of air and puncture of air bladder, special air gun are available with pressure so that know the in built air pressure inside the air shaft. If require special hardened ends, bearing size is available on request.