4" Stainless Steel BSSV Style Vacuum Breaker Check Valve
4" Stainless Steel BSSV Style Vacuum Breaker Check Valve
SKU:INL-e97986
Protect your equipment with the 4" Stainless Steel BSSV Threaded Check Valve. Reliable, durable, and compliant with ANSI and MSS standards.
Regular price
$189.99
Regular price
Sale price
$189.99
Unit price
per
Delivery via Maden
Expect your order to arrive on time.
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The 4" Stainless Steel BSSV Style Vacuum Breaker Threaded In-Line Check Valve is designed to safeguard pressure vessels, prevent condensate backup, and withstand transient pressure drops. With a stainless steel construction, spring-assisted silent closing, and tight shut-off lapped disc & seat, this valve offers reliability and ease of maintenance. Ideal for applications in steam systems, tanks, and heat exchangers, it meets ANSI and MSS standards for quality assurance.
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 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
303 SS
Materials Of Construction Spring
316 SS
Options 0
Inconel® 750 SpringSoft seat
Specifications Approx Net Weight Each
7.00 lb | 3.2 kg
Specifications Cold Working Pressure
0 psig | 450 psig | 0 barg | 31.0 barg
Specifications Cv
90
Specifications Ends
NPT (Threaded)
Specifications Friction Loss Feet Of Pipe
16
Specifications Friction Loss Meter Of Pipe
4.9
Specifications Nominal Size Mnpt A
4.00 in
Specifications Series
Vacuum Breaker
Specifications Size
4.00 in | DN 100
Specifications Style
BSSV
Specifications Unthreaded Inlet Bore B
2.22 in | 56 mm
Specifications Valve Cracking Pressure
0.1 psi | 0.007 bar | 2.6 in.water | 66 mm.water | 4.8 mmHg
Specifications Valve Cracking Pressure Tolerance
±10%