An object of the present invention is to achieve both weight reduction of a shut-off valve and difficulty in leaking refrigerant. A valve body includes a first component and a second component. The first component 56 includes a first connection portion 56a connected to the refrigerant pipe 12,...
diagram in Fig. 13.2. In addition to balls other elements like cones, diaphragms or disks are used. 186 13 Shut-Off Valves 1 2 Fig. 13.1. Cut-away view of a non-return valve, partially open Fig. 13.2. Symbol of a non-return valve A simple mathematical model of a non-return valve ...
N562 Series Emergency Shutoff Valves (ESVs) are designed for railcar protection and attach to the shutoff valves on railroad tank cars. Typically, three Type N562s are used: two on the liquid lines and one on the vapor line. Pneumatically operated, the valve is opened and closed by means...
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A shut-off valve for flexible tubing Design of light weight valve for flexible tubing is described. Valve is hand operated and provides positive sealing in normally closed position. Diagram is provided to show construction of valve. Principles of operation are explained. WW Reyburn 被引量: 0发表...
Stainless Shut Down Valve A shutdown valve (also referred to as SDV or emergency shutdown valve, ESV, ESD, or ESDV
A gas valve assembly includes a solenoid coil, a linearly actuated plunger, and a stop member. The plunger is disposed in the coil so that a gap exists between the plunger and the s
In a high-pressure check valve (shut-off valve), particularly in a hydraulic pressure system with a high fluid delivery capacity, the pressure device for the valve element has a number of pressure rings, which are arranged as a stack and can be moved essentially in the axial direction, i....
pressed against the valve seat 3 by the urging force of the Coyle spring 4.The emergency shut-off valve is a mechanical type of the unlocking mechanism 20 having a simple structure, and can surely shut off the flow path 1a in the valve box 1 even when a power failure occurs.Diagram ...
A shutoff valve installed on the discharge side of a pump to automatically shutoff hazardous liquid flow in the event of a rupture on the downstream side of the shutoff valve. The shutoff valve operat