Polyurethane coupling inserts also called PU spiders or urethane coupling spiders are made of excellent quality PU from famous companies and with varieties of designs,colors and sizes including series of GR,GS,MT,T,L,R,NM,HRC,YOX etc.And also can customized according to buyers' special requirements.They are the key parts to jaw type flexible couplings.

PU jaw coupling spiders also called polyurethane jaw coupling inserts from Yantai Zhengyuan Polyurethane Co.,Ltd. are made of excellent polyurethane from well known companies in the world.

The superior polyurethane used has following advantages.

· Rubber elasticity,Metal toughness and durability and Plastic shape and color flexibility

· Broad range of adjustable hardness

· Corrosion resistant

· Abrasion resistant

· Oil and solvent resistant

· Load bearing capacity

· Excellent noise abatement properties

So PU jaw coupling spiders from Yantai Zhengyuan Polyurethane Co.,Ltd. are of many designs to match different types of jaw couplings.

PU jaw coupling spiders from Yantai Zhengyuan Polyurethane Co.,Ltd. are produced to be self-sacrifice, which means that if the PU jaw coupling spider wears out, the jaw coupling hubs' teeth will mate and the coupling will continue to transmit torque without damaging the equipment.