In addition, the lead free gasoline is being used in the engine, so vavle seat insert (VSI) must be made by scpecial materials.
燃料改用无铅汽油以后，阀座部分必须用特种材料制造的镶圈来补强，这种镶圈就是通常所谓的阀座圈。
Especially several high cobalt containing sintered materials are used as exhaust valve seat insert materials because(it s) high wear and heat resistant properties.
特别是,一些高钴烧结材料由于耐磨耗与耐热性高而广泛用作排气阀座圈材料。
Design and Develop of Alloy Valve Seat Insert (VSI) in the Engine of Lead-Free Gasoline;
无铅汽油发动机合金排气阀座圈的设计及研制
Design and Study of Valve Seat Insert Which Used for Automobile Engine of Lead Free Gasoline;
无铅汽油发动机双层排气阀座圈的设计及研制
Seat Face: Negates need for flange gaskets.
阀座表面:不需要使用阀兰垫圈。
To reverse the seat disc, unscrew the disc screw and disassemble the disc washer and disc rubber from the disc holder assembly.
为了翻转阀座阀瓣，则要拧松阀瓣螺丝，从阀瓣固定器总成拆解阀瓣垫圈和阀瓣橡胶。
safety valve dome
安全阀汽包，安全阀座
All valve seats and seat discs shall be replaceable.
所有阀门阀座和阀座阀瓣应该是可更换的。
valve seater
阀座修整刀具, 阀座(加工)刀具
Remove the pressed in relief valve seat and seat O-ring.
拆卸压进去的安全阀阀座和阀座O形环。
valve seat insert(valve seat ring)
气门座镶圈（嵌镶式气门座圈）
cross-over seat
转换阀座钻屑天然气
The check valve and relief valve seats shall be push-in type.
这种止回阀和安全阀阀座应该是推入式的。
Seat discs shall be reversible to extend check valve life.
阀座阀瓣应该是双向的，能够延长止回阀寿命。
Stem – machined stem has a backseat design.
阀杆-经过机加工的阀杆具有后座结构。
The valve's seat is at the opposite end from the handle.
阀门的阀座位于手柄对面的另一端。
The check valve seats shall be of molded thermoplastic construction.
止回阀阀座应该是模制热塑塑料结构。
Stem– precision machined stem has a backseat design.
(11) 阀杆-精加工阀杆配置后座结构。
Disc is guided by the mating surface of the seat.
可通过所匹配的阀座表面导引阀瓣。
The use of seat screws as a retention method is prohibited.
禁止采用阀座螺丝作为固定阀座的方法。