stop valve

Close off your stop valves so you don't get water backing up into the forward lines.

As a result, use of a stop valve without good reason is prohibited and may lead to fines.

Not until then did I close stop valves and remove the empty bottle.

The flow rate is controlled using a partially opened steam stop valve.

A stop valve usually has a distinctive red handle.

Depending on circumstances and consequences, authorities may even arrest a person for the incorrect use of a stop valve.

However, there are hidden stop valves and simplified train controls, allowing each car to act on its own in need.

The entire reticulation system could be controlled by one person from a set of stop valves located in the machinery shed.

Controllers decided to stop valve cycling in order to increase the pressure and attempt to force a seal before attempting to complete the fast fill process.

Main steam stop valve:

Check valve or clack valve: a non-return stop valve by which water enters the boiler.

Any similar arrangement of a stop valve used to protect leaking past a throttling valve could also be referred to as a guardian valve.

When the gas in the cylinder is ready to be used, the cap is taken off and a pressure-regulating assembly is attached to the stop valve.

There are four main types of valve: stop valves, gate valves, servicing valves and drain valves.

Feedwater check valve or clack valve: A non-return stop valve in the feedwater line.

One Kingston valve serves a pair, but each tank has a vent riser, with air connections and stop valves in the vent riser.

During its service as a gun battery there were a few minor changes involving water proofing and the addition of stop valves for each side of the battery.

For instance, the steam pressure could vary considerably due to changes in circulator speed, water flow through the steam generator, stop valve closure or throttle valve actuation.

The manual says: "Reach over your shoulder with the opposite arm, close stop valves at bottle and helmet, disconnect the shackle-" My pack didn't have shackles; I had substituted straps.

I didn't stop to worry; I peeled away a scrap of adhesive, made sure the bayonet-and-snap joint was clean, got that slightly recharged bottle back on Peewee's suit, opened stop valves.

In most cases this is all that is needed, as the customer's own stop valve will be immediately inside that wall - either under the kitchen sink, or in a coal cellar or garage.

This result in an axial movement of the sleeve followed by the activation of a lever, which in turn actuates the main stop valve to a partially opened position to control the flow rate.

This allows the engine to be stopped within a fraction of a revolution, where using a throttle or stop valve in the steam supply slowed the engine gradually and so would be far less precise.

It supplies the hydraulic oil system required for steam turbine's main inlet steam stop valve, the governing control valves, the bearing and seal oil systems, the relevant hydraulic relays and other mechanisms.

A stop valve prevents complete emptying of the pond in the event of an accident and by-pass valves enable water treatments to be added to the pond without harming the biological balance of the filter.