PURPOSE: A double anti-backflow valve is provided to prevent the generation of noise and vibration in a piping by absorbing the impact generated in a second valve through a first valve.;CONSTITUTION: A double anti-backflow valve(1) comprises a first frame(10), a second frame(30), a first...
3, Metal seated,seat material is optional according to different medium.4, Small Volume, light weight, need less space.5, This valve should be install to the outlet side of the pump to prevent the backflow of the medium. This valve is one way...
Install a Solar Water Heater (178 projects) $3,706Average National Cost View Costs in Your Area Plumbing Repair Cost Guide Hiring a plumber costsan average between$175 and $450. Most jobs are billed hourly at$45 to $200 per hour. Labor is almost always going to be your biggest expense....
The cost to install a drip irrigation system runs around$1,800 to $2,500per acre. One of the most common forms of irrigation, the drip irrigation system, rests on the ground and provides a designated amount of water to plants in a small area directly into the soil. The most significant...