Product Advantages
1.  Good performance disc in temperature resistance. Both axons side of the disc have been processed by CNC lath to ensure the medium is not contact directly with stem.
2.  The diameter of body holes and the surface are highly finishing by lath, and make it closer cooperate with seat and the little tension of the Close/Open.
3.  The hole for assembling the body and stem is processed by boring machine which to assure the stability of the seal.
4.  The handle made of ABS engineering plastic assure it is not easy to break, it is detachable and convenient to assemble.
5.  100% pressure testing before leaving the factory.