Product overview TCA series leakage free magnetic drive centrifugal chemical process pump is a world leading high - tech product developed by introducing German technology in accordance with API 685-2000sealless centrifugal pump for petroleum , heavy chemical and natural gas industry . Product advantages 1. Pump material :304,316,904L,dual phase steel,Titanium alloy , Hastelloy ,etc. 2. Manufacturing standard : in accordance with Api685-2000 standard production, TCA foot support and TCE center support. 3. The magnet is a new type of permanent magnet with good magnetism,high temperature resistance and no demagnetization. 4. The shaft sleeve and sliding bearing adopt high wear - resistant silicon carbide ( SSIC ) and are equipped with lubrication grooves to effectively ensure the service life of the pump.