How To Repair Ball Valve

26 Aug

How to repair a PVC brawl valve

A PVC ball valve is a type of valve that has a spherical disc that controls the flow of water or air through information technology. A ball valve is a crucial component of the plumbing organisation equally it provides shutoff during seepage times. However, this does not mean that the PVC ball valve is already allowed to wear. In fact, there are times when the brawl valve becomes loose before the leak gets worse. When it comes to PVC ball valve repair, you just need to know the basics of plumbing and for this detail task, and the skill you will proceeds from this project will help you rectify other problems yous volition run across in your plumbing system. For this DIY project, you will demand the following things to go the job done chop-chop.

Spiral
Screwdriver
Allen wrench
Replacement parts
Lubricating oil or petroleum jelly
Dry cloth or sponge

Footstep 1 – Plough off the water supply

To carry out this task properly, you must disconnect the water supply so that the period of water does not interrupt your work while yous repair your ball valve. Once the valve is closed, empty the backlog water into the jug or container and wipe the valve dry with a dry out cloth or sponge. Remove the handle that holds the PVC ball valve. Y'all will observe that the ball valve is held firmly together with a set up of screws, so use an Allen wrench or screwdriver to remove the ball valve.

Step 2 – Remove the ball valve

To evaluate your problem ball valve, detach the unabridged valve and examine each office and check for worn or destroyed parts. You tin can purchase the replacement kit you need to repair your PVC ball valve from the hardware store. It volition likewise help if you bring the worn part to the hardware with y'all while you look for the replacement office. Exist sure to proceed all the bolts and other parts of the brawl valve in a safety place so that you can easily put it back in lodge later on.

Disassemble

Keep the PVC ball valve in the half-open position to flush out the dangerous substances that may be inside and outside the brawl valve.
Close the PVC ball valve, remove the bolts and nuts on the flanges on both sides, and completely remove the valve from the pipeline.
Disassemble the drive device-actuator, connecting bracket, lock washer, stem nut, butterfly shrapnel, glam, clothing-resistant slice, stem packing in order.
Remove the body cover connecting bolts and nuts, separate the valve embrace from the valve torso, and remove the valve embrace gasket.
Ostend that the valve ball is in the "off" position, which can be easily taken out of the valve torso, and and so remove the valve seat.
Gently push the valve stem down from the hole in the valve body until it is completely taken out, and and then accept out the O-band and packing ring.
Annotation: Delight operate carefully to avoid scratching the surface of the valve stalk and the packing seal of the valve.

Step 3 – Supersede the worn parts of the ball valve

One time you have located the worn part of the ball valve, brand sure yous have the exact replacement and replace the damaged part. Before reassembling everything, apply petroleum jelly or lubricating oil to the valve to brand it easy to replace the parts without whatever bug. Putting the pieces together and putting everything in social club is very easy. All y'all have to do is contrary what you did while disassembling the valve. Secure the parts with the screw before testing the ball valve for whatsoever leaks by turning on the mainline of your plumbing system. Then check if the PVC brawl valve is nevertheless leaking.

Footstep 4 Reassemble

Make clean and inspect the parts nether investigation. It is strongly recommended to supercede the seat and bonnet gaskets and seals with spare parts kits.
Contrary the gild of disassembly and associates.
Employ the specified torque to tighten the flange bolts crosswise.
Tighten the nut with the specified torque.
Later on installing the actuator, rotate the valve stem to drive the spool to rotate the corresponding input signal to make the valve open and close.
If possible, afterward installing the pipeline, examination the sealing force per unit area and performance of the valve according to the standard