1.the backseat , disc and seat ring seating surfaces of all of our valves are hard faced for long service life.
我们所有阀门的后座、阀瓣和阀座环表面都经过硬面处理，使用寿命更长。
2.The forged disc has an integral Stellite hard faced seat and guide surface.
锻造阀瓣具有整体钨铬钴合金硬化阀座和导轨表面。
3.Trim numbers with H have cobalt alloy hard faced seat ring facing.
带有H的阀内件型号具有钴合金硬面阀座环表面。
4.Seating faces are hard faced, ground and lapped .
阀座面经过硬化，研磨和层叠。
5.Seat hard faced with SS 410 seal welded.
配置410不锈钢和密封焊接的阀座硬面。
6.Stellite 6 hard faced CF8M wedge is also available.
也可选用一个钨铬钴合金硬面的CF8M楔板。