它最早是一家水电厂的安全闸阀。
闸阀可作为流体双向有效的关闭阀。
Gate valves serve as efficient stop valves with flow in either direction.
与标准刀闸阀不同，不需要库存脱水。
它将可取代闸阀、截止阀及球形阀。
It will be replaced valve, the cut-off valve and ball valve.
它将可取代闸阀、截止阀及球形阀。
It will be replaced by valve, the cut-off valve and ball valve.
闸阀的主要启闭零件是阀瓣和阀座。
橡胶闸阀并可做流量调节阀使用。
The soft-sealing gate valve is also used as flow adjusting valve.
简单形式的闸阀如图所示。
A comparatively simple form of gate valve is illustrated in the figure.
只选用全通道球阀或闸阀。
闸阀，截止阀，角阀和止回阀型号编制体系。
进口油用闸阀结构合理，密封可靠，操作轻便。
Oil gate valve reasonable structure, reliable sealing, easy operation.
闸阀和截止阀(金属与金属连接)阀座不具备不透气关闭的性能。
Gate and globe metal to met seats cannot provide bubble tight shut-off.
目前国产高温闸阀有气动高温平板闸阀和电动高温闸阀两种类型。
There are two sorts of high temperature gate valve of home products at present.
所有压力密封闸阀都可以配置实心硬楔形闸板。订购时请指定型号55006。
All pressure seal gate valves are available with a solid wedge. Specify figure number 55006.
所有压力密封闸阀都可以配置实心硬楔形闸板。订购时请指定型号55006。
All pressure seal gate valves are available with a solid wedge. Specify figure number 55006.
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