讨论了插装阀串在液压支架液压系统中的应用依据和前景，提出了设计方案，分析了工作原理。
The usage basis and prospect of valves sticked together in support hydraulic system are discussed, design plan and analyses work principle is put forward.
阀瓣支架可拆卸进行阀瓣更换，无需拆卸阀门，不需要特殊工具。
Disc holder removable for replacement of disc without dismantling the valve - no special tools required.
介绍了一种适应于煤矿井下液压支架使用的高压、大流量、操作力矩小的先导式平面截止阀，并详细介绍了其工作原理、结构和使用性能特点。
A cut-off plane valve applicable for the hydraulic shield in the coal mine is introduced, which has the feature of high pressure, large flux and small handling moment.
以深度精制的石蜡基馏分油为基础油，添加具有改善油品性能的添加剂研制了液压支架安全阀校阀油。
A calibration valve oil for hydraulic shield safety valves was formulated by a base oilobtalned from the distillate of a deep-refining paraffinic crude with qualified additives.
研究了插装阀在支架液压系统中的应用前景，设计了采用插装阀的某支撑式液压支架的液压系统，并分析了工作原理。
The application prospect of plus-in valve in hydraulic support was studied. A chock-type hydraulic support equipped plus-in valve was designed, and the working principle was analyzed.
针对目前国内液压支架用安全阀存在不足，研制了一种新型液压支架用大流量安全阀。
For the limitation of the present relief valve in hydraulic supports, a new type large flux relief valve used in hydraulic supports was introduced.
讨论了插装阀在电液控制支架液压系统中的应用依据和前景，提出了设计方案，分析了工作原理。
The application prospect of plus-in valve in electrohydraulic control support is studied. A chock-type hydraulic support equipped plus-in valve is designed, and analyzed in working principle.
订货时请注明产品型号、规格、输出力以及支架代号或匹配调节阀通径是否带保护装置。
When ordering please specify the product model, specifications, Output power and bracket matching code or valve bore with or without protection device.
阀杆、塔型盖、格兰通过填料压紧密封，阀杆与执行机构通过固定于支架上的推力螺母实现上下运动。
A valve body is connected with a tower cover through soft seal, and pressed by a bracket through a bolt. The valve rod, the tower cover and a gland are pressed and sealed by filler.
本阀主要由阀体、O型圈、闸板、阀杆、支架、（手轮）气动装置等件组成。
The main valve by valve, O-rings, lock, stem, frame, (hand wheel) pneumatic devices composed pieces.
文章讨论了插装阀在电液控制支架液压系统中的应用依据和前景，提出了设计方案，分析了工作原理。
The application prospect of plus-in valve in electro-hydraulic control support is studied. A chock-type hydraulic support equipped plus-in valve is designed, and analyzed in working principle.
文章讨论了插装阀在电液控制支架液压系统中的应用依据和前景，提出了设计方案，分析了工作原理。
The application prospect of plus-in valve in electro-hydraulic control support is studied. A chock-type hydraulic support equipped plus-in valve is designed, and analyzed in working principle.
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