API 594 20" Wafer Check Valve with 316 SS Trim
API 594 20" Wafer Check Valve with 316 SS Trim
SKU:INL-adc423
Prevent water hammer with the API 594 20" Wafer Check Valve, featuring 316 SS trim & ASME Class 150 compliance.
Regular price
$1,299.99
Regular price
Sale price
$1,299.99
Unit price
per
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The API 594 20" Wafer Check Valve is a spring-assisted, center guided valve designed to prevent water hammer and reverse flow. With API 594 Face-to-Face dimensions, it fits compactly between flanges. Featuring a 316 SS trim, stainless steel seat, disc, and bushing, this check valve is ideal for liquid, gas, or steam applications. Its crack pressure spring, silent closing, and horizontal/vertical installation options ensure reliable performance. Meeting ASME Class 150 standards and various industry codes, this valve is suitable for a wide range of industrial applications.
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 450ºF)
Codes And Standards Ansi
B1.1 | B16.34 | B16.5
Codes And Standards Astm
A216GR WCB | A351GR CF8M
Codes And Standards Mss
SP-25 | SP-6 | SP-61
Codes And Standards Other
API 594 | API PED
Features 0
API 594 Face-to-Face dimensionsWafer RF endsSpring-assisted silent closingHorizontal or vertical installationSizes 2" thru 24"ASME Class 150 and 300Standard body materials:- A216 WCB- A351 CF8MStainless steel seat, disc & bushingNitronic 60 stemInconel® X-750 Spring0.5 psi cracking pressure springSeat Leakage per MSS SP-61Tapped holes in body for lifting lugs Axial flow Nozzle style
Materials Of Construction Body
A351 CF8M
Materials Of Construction Body Material
316 Stainless Steel
Materials Of Construction Bushing
A479 316
Materials Of Construction Discstem Assembly
316 SS/Nitronic 60
Materials Of Construction Gasketing
CFG (316SS/Graphite)
Materials Of Construction Seat
316 SS
Materials Of Construction Spring
Inconel® X-750
Materials Of Construction Trim
316 SS
Options 0
Body Materials:Alloy 20Hastelloy®Others upon request316 SS springCustom sizing - low flowStellited trimNACESoft-Seat
Specifications Asme Class
150
Specifications B Dia
23.75 in | 603.3 mm
Specifications Cold Working Pressure
275 psig | 18.98 barg
Specifications Cracking Pressure Cp
0.54 psig | 0.037 bar
Specifications Cv
3750
Specifications Dimension A
8.62 in | 219 mm
Specifications Dimension B
23.75 in | 603.3 mm
Specifications Ends
Wafer (RF)
Specifications Series
ALC®
Specifications Size
20.0 in | DN 500
Specifications Temperature Rating
-460 to 450 ºF
Specifications Weight
545 lb | 247.2 kg
Specifications Working Steam Pressure
180 psig