The internal plug-type metering valve is an integral part of the steam separator and is completely steam-jacketed to prevent condensation through radiation.
内置式柱塞定量阀是汽―水分离室整体的一部分，完全被蒸汽包围，从而避免了因热辐射造成的冷凝。
2
By sowing disc and plug transmission automatic control and current feedback control of pneumatic metering components, for seed high accuracy, high efficiency automatic seeding.