A method of repairing a leak, where there is a water network with a main shutoff valve. An isolation valve is inserted in the pipe a short distance upstream of the leak, and the leak is repaired by using the local isolation valve to keep water from the repair location. This enables ...
Install a bleed valve (G) to use as a shutoffwhenservicingthedispense valve. graco.com graco.com 安装排气阀 (G) 以用于在维修分配阀时关闭气路。 graco.com graco.com Servicingandmaintenance practices continue to be poor, the most common ones being: refrigerant refilling withoutrepairingleaks, flu...
within vacuum chamber 18. Chamber 18 has a top hopper 20 attached to hopper table 20A. Hopper shut-off valve is shown at 21 and auxiliary intake port at 22. The flow then proceeds through venturi 19 and conduits 23 and 24A into storage tank 40. Conduit 24A is inside tank 40 such that...
If you suspect a trickling valve is spoiling performance, you can shut off or disconnect your water supply completely (make sure you have a solid shutoff valve, not even allowing a trickle) at the end of the harvest, and see if the performance problem goes away for the rest of that ...
Extending through the end cap 20 are a bladder control line 24, a fluid injection line 26 and an air escape valve 28 (FIG. 6). [0057] At the forward end of carrier tube 17 is a rigid collar 30 (FIG. 5). A pair of end flaps 32, 34 have their rear ends engaging the collar ...
More specifically, the sealing apparatus for repairing a pipe is configured such that a connection unit, a shut-off valve, a fixing housing and a sealing unit are sequentially installed in a branch pipe to tightly seal a repaired pipe, a plug is easily fastened to the connection unit by ...
;SOLUTION: When the valve closing performance is deteriorated by the secular use, and an abnormality such as leakage is generated, a valve disk 7 in an abnormal condition is evacuated in a bonnet 9, and the bonnet 9 is removed from a shut-off device 11 after the communication of a ...
Installing a shut-off valve in an operating pipeline requires much more specialized equipment and skills than does repairing a leak with a split sleeve. A device available from International Piping Services Co. allows a trained crew to isola...
A device for servicing closed refrigerating systems comprising a double valve body with a transverse bore through a main shut off valve. The invention disclosed herein consist of methods for entering a closed refrigeration system for testing, charging and exiting the system, vacuum processes to ...
The device facilitates the repair of the head by lifting the riser from within the sprinkler head so that a replacement nozzle can be attached. In an alternative embodiment the alert device has an integral shut-off valve which prevents the discharge of water in the event that a subsequent ...