Use the pvc primer on the female connectors and both ends of the pipe. Geon® pvc and corzan® cpvc body materials in 1/4, 1/2, 3/4, 1, 1 1/2, 2 and 3 sizes. Many anti siphon valves come with a sprinkler head attached;
Rain Bird DASASVF100 AntiSiphon Valve with Flow Control
Primary seal is a teflon diaphragm.
Dig 25 psi hose thread pressure regulator.
4.2 out of 5 stars. Pool/spa, irrigation and commercial water systems. Cut below pvc male/slip unscrew (right) it may be easier to screw a male/slip (left side) bring it up a few inches with pipe. It is made of durable pvc construction and makes precise flow adjustments.
Female hose thread x 1/2 in.
First tried using rectorseal tplus2 on the threads, they seeped. Because of the design of the rvdt, this valve actually closes more tightly when unwanted siphon occurs. You can also use unions if your prefer. High flow at optimum pumping pressures.
90 degree configuration for easy piping from tank top to grade level.
Generally that means using metal pipe such as copper, brass, or galv. However, if yours does not, you will need to install one. Ptfe laminated to epdm diaphragm. This valve features a pvc construct, which makes it resistant to weathering, abrasion, and chemical rotting.
Screw in male/slip on both sides of valves and plop that bad boy down.
Coupler and pipe on right size same height. I've had trouble in the past with small seepages when i use male pvc threaded adapters to connect to brass valves' female threads. Teflon tape on threads primer and glue on slip Many anti siphon valves come with a sprinkler head attached;
Nobody expects more from us than we do.
Ss spring maintains a positive seal even when no back pressure is present. (consult local building code.) caution: Free shipping on orders over $25 shipped by amazon. 2 psi minimum flow pressure is required to open valve.
Then, secure the pipe to the valve and the sprinkler head with pvc glue.
Get it as soon as tue, feb 22. Unique spring design allows for optimum opening pressure. Also known as vacuum breakers, they have vents that open when pressure drops to relieve vacuum conditions and prevent backward suction from drawing liquid into upstream piping. This item is a replacement for stock # 34958.
Flow rates range from 2 to 75 gpm and set pressures from 5 to 150 psi.
Plastic body materials, sizes & features: This valve has a santoprene diaphragm for improved strength, dimensional. However, if yours does not, you will need to install one. Choose from pvc‚ cpvc‚ pvdf‚ ptfe or polypropylene construction.
Choose from pvc‚ cpvc‚ pvdf‚ ptfe or polypropylene construction.
Pvc diaphragm standard in pvc body valves. It has precise flow control adjustment and is of fnpt pvc construction. Use the pvc primer on the female connectors and both ends of the pipe. Then, secure the pipe to the valve and the sprinkler head with pvc glue.
Compatible in suction or pressure systems.
The ratchet handle prevents over tightening damage. It has an internal and external bleed, ensuring a dependable mechanism for system flushing. Flow direction indicator molded into body.
