1/4" 3.3 psig Restrictor Threaded Check Valve
1/4" 3.3 psig Restrictor Threaded Check Valve
SKU:INL-f4f0ed
Premium 1/4" Check Valve with 3.3 psig cracking pressure, stainless steel construction, and versatile application in fluid and gas environments.
Regular price
$89.99
Regular price
Sale price
$89.99
Unit price
per
Delivery via Maden
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The 1/4" 3.3 psig Restrictor Threaded Check Valve is a premium solution designed to meet the stringent demands of applications requiring higher cracking pressures. With cracking pressures ranging from 2 to 40 psi, this valve ensures reliable performance in various fluid and gas environments. Constructed with durable stainless steel materials, it features a spring-assisted mechanism for silent closing, tight shut-off with lapped disc & seat, and horizontal or vertical installation flexibility. Ideal for autoclaves, chemical lines, compressor discharge, and more, this valve offers easy maintenance and versatile application possibilities.

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
303 SS
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
0.38 lb | 0.2 kg
Specifications Cold Working Pressure
0 psig | 2500 psig | 0 barg | 172 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
1.00 in
Specifications Series
Restrictor Check
Specifications Valve Cracking Pressure
3.3 psi | 0.228 bar
Specifications Valve Cracking Pressure Tolerance
±10%