Copied VR20 3/4" Vacuum Relief Valve with Dust Cover
VR20 3/4" Vacuum Relief Valve with Dust Cover
Features:Prevents internal vacuum conditions: Guards against siphonage, burnt-out heaters, and collapsing of storage tanks and negative pressure.Opens quickly in emergencies: Opens on a one-inch mercury vacuum.Listed by CSA: Inspector friendly, peace of mind.Every valve is tested for performance before shipping: Specify and install with confidenceApplications:For protection of commercial hot water supply systems and pressure vessels against negative pressureThe Cash Acme VR20 Vacuum Relief Valve is designed to protect hot water supply systems and pressure vessels against negative pressure. It is especially well-suited for many domestic and commercial systems.It works by preventing internal vacuum conditions that could result in burned-out heaters and collapsed storage tanks - especially copper. Installed on the cold water supply line, the Cash Acme VR20 closes tightly under pressure and opens at a 1" mercury vacuum. The atmosphere admitted to the system breaks the vacuum, preventing the collapse of the storage tank. It is recommended that the VR20 be installed in an upright position.The VR20 also features a low-profile design with a slotted vent hole. Circular dust protects the vent hole cover approximately 1.75" in diameter. This valve features an all-brass body and body cap, a heat-resistant silicone seat disc, an integral body seat, and brass internal working parts. ... Show More Show Less
Price Comparison
|
BEST PRICE 1 Product Purchase
|
|
$33.00 | $21.88 |
|
$21.88 | See Site | Visit Store |
Reviews
Questions & Answers
3/4" Encapsulated Ball Valve Repair Kit, SS
$144.90
153742 Aluminum Safety Lockout Padlock
$58.49
GlobalMark ToughWash Resistant Label
$521.00
DG High Prism Sign: "Dip"
$246.87
Timberline 100-04 Carbide Tipped Straight Plunge Single Flute Economy 1/16 Dia x 3/16 CH x 1/4 Shank Router Bit
$14.11
Artorch Single Oxygen Hose
$41.77
BigSigns Sign Notice "No Smoking", Aluminum
$1,310.40
10,6 Max GPM Pressure Control Unit, 580 Max PSI
$153.40
Wilkerson Modular Sleeve/Wall Mounting Bracket
$24.55
French Sign "Lunettes De Securite ..."
$316.10
F Style Cam and Groove Coupler, MNPT
$23.95
Transducer Range 4 - in. lbs
$1,855.00
Sign "Premiers Soins" & Right Arrow Symbol
$36.99
ANSI Safety Sign "Employees Only."
$316.10
Screw Pitch Gage U.S Threads, 4-42 TPI
$9.26
Pipe Marker-To-Go "Caustic", Plastic
$26.99
OSHA Danger Safety Sign "Argon" Accu-Shield
$792.20
3/8" HD Soldering Iron, 175 Watt
$130.05
1-1/2" Polypropylene Female Coupler X Male NPT
$9.87
Enteral Feeding Syringe, 60cc with Pole Bag, Non-Sterile
$28.59
FFY FY8003-23 Stylish PU Leather Women Folding Short Wallet Cards Cash Carrying Bag - Apricot
$5.34
11-7/8" x 3-3/4" Yellow Removable Vinyl Footprint
$106.19
Intersection Sign "Right Turn Signal" DG High Prism
$358.72
1940PC 1-1/4" MPT x Press x Flex Hose
$352.90
Slim Taper Saw File with Triangular Shape
$10.84
Dura-Vinyl Sign "Be Careful Overhead Hoist"
$17.65
3D Non-Adhesive Window Film
$24.99
1/4" Female NPTF x 1/4" Male NPTF Adapter
$8.62
Powder Coated Cast Floor Flange
$127.80
Osha Sign
$29.58
Cable with Temperature Compensation
$268.40
3/8" NPT Male Steel Coupler, 5200 psi
$10.10
Valve Tag w/ Legend: CWR 201, Black on Brass
$43.10
Rotarus Stand Holder
$234.50
Safety Poster, 22", English, Non-Laminated
$22.84
Libro Double Diner - - PetsStop
$109.95
