3" Stainless Steel Vacuum Breaker Check Valve
3" Stainless Steel Vacuum Breaker Check Valve
SKU:INL-1872e3
Protect pressure vessels with the 3" Stainless Steel Vacuum Breaker Check Valve. Ensures safety & performance in various applications.
Regular price
$129.99
Regular price
Sale price
$129.99
Unit price
per
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The 3" Stainless Steel Vacuum Breaker Check Valve is an essential component for maintaining pressure vessel integrity. This valve prevents condensate back-up, breaks siphons, and provides air addition to dampen water hammer effects. With 316 SS construction, tight shut-off capabilities, and spring-assisted closing, it ensures reliable performance in various applications like boiler feeds, steam systems, and sterilizing chambers. Meeting ANSI B1.20.1 and MSS SP-25 standards, this valve offers durability, easy maintenance, and versatile installation options.
Product Specifications
Application 0
Antisiphon Applications | Boiler Feed & Discharge | Heat Exchangers | Irrigation System | Jacketed Pans | Steam Coils | Steam Mains | Steam Systems | Sterilizing Chambers | Storage Ressels | Tanks
Available Soft Seat Materials Available Soft Seat Materials
Buna-N (-70 to 250ºF) | EPDM (-75 to 300ºF) | TFE®-Viton® (-40 to 400ºF) | Viton® (-40 to 400ºF) | Zelon® (37 to 470ºF)
Codes And Standards Ansi
B1.20.1
Codes And Standards Astm
303 SS not acceptable for CRN
Codes And Standards Mss
SP-25
Features 0
1" to 4" size450 to 6000 CWPThreaded O.D. (MNPT)Unthreaded inlet boreStainless Steel ConstructionSpring-assisted silent closingHorizontal or vertical installationTight shut-off - lapped disc & seatEasy maintenanceVersatile
Materials Of Construction Disc
316 SS
Materials Of Construction Guard
CF8M
Materials Of Construction Retaining Ring
316 SS
Materials Of Construction Seat
316 SS
Materials Of Construction Spring
316 SS
Options 0
Inconel® 750 SpringSoft seat
Specifications Approx Net Weight Each
3.75 lb | 1.7 kg
Specifications Cold Working Pressure
0 psig | 900 psig | 0 barg | 62.1 barg
Specifications Cv
57.4
Specifications Ends
NPT (Threaded)
Specifications Friction Loss Feet Of Pipe
11
Specifications Friction Loss Meter Of Pipe
3.4
Specifications Nominal Size Mnpt A
3.00 in
Specifications Series
Vacuum Breaker
Specifications Size
3.00 in | DN 80
Specifications Style
BSSV6
Specifications Unthreaded Inlet Bore B
1.72 in | 44 mm
Specifications Valve Cracking Pressure
0.15 psi | 0.01 bar | 4.2 in.water | 107 mm.water | 7.8 mmHg
Specifications Valve Cracking Pressure Tolerance
±10%