It has special unitized construction which consists of the seat, disc and stem assembly, and strainer screen all together in one unit for complete replacement maintenance.

它具有特殊的整体结构，由阀座，阀瓣和阀杆总成，以及过滤器网等整合在一个整体中，完全能够进行更换维护。

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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。

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Special off-set Disc lifts quickly from seat to reduce wear and reduce operating torque.

特殊的偏置阀瓣能够迅速从阀座上升起，以减少磨损，降低操作力矩。

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"This is taking my 1966 Mustang and making sure that it has got four-wheel disc brakes, it's got seat belts, it's got all of the things that it ought to have to be responsible, to maintain control over and be able to use and develop these weapons in a safe, secure way, " he explained.

CENTERFORSECURITYPOLICY: STRATCOM: Safe, reliable deterrence critical