自力式调节阀又称自力式控制阀，是一种依靠流经阀内介质自身的压力、温度作为能源驱动阀门自动工作，不需要外接电源和二次仪表的调节阀。 自力式调节阀主要分为自力式压力调节阀、自力式压差调节阀、自力式温度调节阀、自力式流量调节阀。
直接作用仪表：direct acting instrument 直接作用式调节阀;自力式调节阀：direct-operated regulator 直接作用式电压调整器：direct-acting voltage regulator ..
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... self-absorption自吸 self-actuated regulator自力式调节阀 self-compensating propeller自补偿旋桨 ...
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self-operated pressure regulator自力式压力调节阀 self-operated regulator自力式调节阀 self-operated temperature regulator自力式温度调节阀 ..
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进口自力式调节阀概述: 德国力特LIT进口自力式调节阀（Self-regulating valve），依靠流经阀内介质自身的压力、温度作为能源驱动
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自力型自力式调节阀 weight-loadedrcgulator
重力型自力式调节阀 weight-loaded regulator
弹簧型自力式调节阀 spring loaded regulator ; loaded regulator
直接作用自力式调节阀 dircct-operated regulator
进口自力式调节阀 Self-regulating valve
自力式压力调节阀 self-operated pressure regulator ; ZZYP ; operated pressure regulator ; ZZY
自力式温度调节阀 self operated temperature regulator ; operated temperature regulator ; ZZWP ; Self-acting type temperture control valve
自力式液位调节阀 operated level regulator ; self-operated level regulator
自力式流量调节阀 operated flow regulator ; self operated flow regulator ; Operated flow control valve
自力式调节阀虽然调节精度不高，但能自成一个调节系统。
Although regulator has low precision, it is a complete self adjusting system.
针对高炉恒流量供水冷却方式的弊端，提出采用温差自力式调节阀使高炉按恒温差供水冷却方式冷却。
In this paper, temperature difference self-power adjusting valve is used to make BF cooling apparatus change constant flux water supply mode to constant difference in temperature cooling mode.
介绍了波纹管平衡型自力式压差调节阀的结构与工作原理。
Structure and operation principle of the bellows-balance self-operated pressure regulator are described in the paper.
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