When it is necessary to shut off or open the valve, the cap is removed from the top of the sleeve and a tool, usually a socket wrench on the end of an elongated rod, is inserted into the sleeve to actuate the valve. If the pipe or sleeve is free from debris, the valve can be ...
In the area of high vacuum die casting,the main problems needed to be solved are mold-sealing and Vacuum Shut-Off Valve.In this paper we summarize the proc... Y Lin,JH Wang,ZH Tang,... - 《Mechanical & Electrical Engineering Technology》 被引量: 0发表: 2013年 VACUUM INSTRUMENTS FOR ...
A security device for a utility shutoff valve and a tool for inserting and removing the security device. The security device and tool are utilized for water and gas shutoff valves located underground that are accessed through a vertical access pipe. The invention is a cylindrical plug which is...
PURPOSE:To automatically discharge a gas penetrating into a fuel oil and enable prevention of bubble blockage and rapid removal of bubbles, by providing a small diameter short-circuiting orifice in a passage for communication between a pressure-receiving chamber and a discharging port. CONSTITUTION:An...
Close the shut-off valve in the pipeline while the valve is being installed. 2. Remove the protective caps from the valve ports before installing the regula- tor. 3. Lift the valve using suitable lifting equip- ment to the site of installation. Observe the flow direction through the valve....
Shut off valvePolypropylen Characteristics: Two levers at the bottom part of the housing * Secure locking ensured by four locking points * Minimal space requirements and high locking force * Ideal for laterally arranged connectors Two levers on th...
Shut-off Valve is not just about precision; it's also about convenience. The 180-degree tip swivel allows for easy spraying on walls and ceilings, while the pressure-activated mechanism ensures that the valve operates smoothly without the need for manual adjustments. This feature is particularly ...
spray sprinkler equipped with a flow shut off valve. However, the shut off valve is relatively high in the flow conduit. Therefore, if the flow conduit is cut or broken at a point at or below the shut off valve, water will flow from the conduit, and the shut off valve will not ...
Compressed-air screwdriver with shutoff bypass means The invention relates to a compressed-air screwdriver including a tool spindle, displacable against the action of a spring; an automatic shutoff having a valve for the motor, which upon attaining a predetermined torque is turned off and ... ...
Wellhead valve removal and installation tool A tool (10) for the installation and removal of back pressure valves or plugs in a wellhead under pressure conditions to permit repair and replacement of w... ...