A. Double-acting pneumatic actuators allow for bidirectional motion, providing both opening and closing actions.B. They are designed with two air ports to control the actuator in both directions.C. These actuators offer versatility, reliability, and are c
WJ-2 type ballastless track fastener system is a ballastless track fastener system developed for laying various types of ballastless track and meeting the technical requirements of the passenger special line fastener system.
The valve body is different: a piece of a plug will be fixed by a ball; two-piece ball valve is fixed by two pieces of the valve body clamped ball, maintenance is relatively complex, the middle of the bolt tightness is critical.
HEX BOLT DIN 933 /ISO 4017Â are fully threaded, have external coarse machine screw threads and, like other hex head screws, are used with both tapped holes and nuts. Their dimensions are similar to ISO 4017 and are available in Class 8.8, 10.9 and 12.9, a
The depressed center cutting wheel also called cutting disc, which is made of good quality alumina material. Its usage is very wide, and depressed center design can make it cutting and grinding.
PTO Drive Shafts are carriers of torque: they are subject to torsion and shear stress, which represents the difference between the input force and the load. They thus need to be strong enough to bear the stress, without imposing too great an additional in
Landing gear is also known as the stabilizers, located in the front-rear frame of the semi-trailer, it is needed when the semi-trailer is breaking away from the tractor.Landing Gear is one of the important equipments of semi-trailer. It is adopted when li