DFT 1" Restrictor Threaded In-Line Check Valve
DFT 1" Restrictor Threaded In-Line Check Valve
SKU:INL-dafc8e
Versatile 1" check valve with 4.2 psig cracking pressure, ideal for diverse applications
Regular price
$89.99
Regular price
Sale price
$89.99
Unit price
per
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The DFT® 1" Restrictor Threaded In-Line Check Valve is a versatile solution designed for applications requiring higher cracking pressures. With a cracking pressure of 4.2 psig and stainless steel construction, this valve ensures reliable performance for a wide range of fluids and gases. Featuring a spring-assisted silent closing mechanism and lapped disc & seat for tight shut-off, this valve is suitable for various settings from autoclaves to refrigeration systems. Easy to maintain and available with soft seat options, it is a durable choice for institutional and industrial needs.

Product Specifications
Application 0
Autoclaves | Boiler Feed & Discharge | Chemical Lines | Compressor Discharge | Condensate Lines | Cookers | Cooling Towers | Crude & Refined Product Lines | Cryogenics | Digester | Evaporators | Fly Ash System | Generator Inlet & Discharge | Hydraulic Lines | Metering Pumps | Mine Dewatering | Nitrogen Purge | Process Lines | Pump Discharge | Refrigeration | Steam Lines | Vacuum Breaker | Water Lines | Water Treatment
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
Higher cracking pressures (2 to 40 psi)1/4" to 2 1/2" Line size450 to 2500 CWPThreaded endsStainless 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
302 SS
Options 0
Soft seat
Specifications Approx Net Weight Each
1.25 lb | 0.6 kg
Specifications Cold Working Pressure
0 psig | 1500 psig | 0 barg | 103 barg
Specifications Ends
NPT (Threaded)
Specifications Friction Loss Feet Of Pipe
7
Specifications Friction Loss Meter Of Pipe
2.1
Specifications Outside Thread Mnpt B
2.00 in
Specifications Series
Restrictor Check
Specifications Valve Cracking Pressure
4.2 psi | 0.29 bar
Specifications Valve Cracking Pressure Tolerance
±10%