DFT Inc. →

ALC Wafer Check Valve 4" 316 Stainless Steel Class 150 & 300

ALC Wafer Check Valve 4" 316 Stainless Steel Class 150 & 300

SKU:INL-2a344d

Reliable ALC® Wafer Check Valve, prevents water hammer, meets API 594 standards, ideal for liquids, gases, and steam applications.

Regular price $899.99
Regular price Sale price $899.99
Sale

Initiate Order

ALC Wafer Check Valve 4" 316 Stainless Steel Class 150 & 300

ALC Wafer Check Valve 4" 316 Stainless Steel Class 150 & 300

$899.99

Quantity: 1

Claim Your Seller Account

ALC Wafer Check Valve 4" 316 Stainless Steel Class 150 & 300

ALC Wafer Check Valve 4" 316 Stainless Steel Class 150 & 300

$899.99

Quantity: 1

Delivery via Maden

Expect your order to arrive on time.

Secure Payments

All orders are processed through a secure, PCI-compliant checkout.

View full details
The ALC® Wafer Check Valve is a spring-assisted, silent closing valve designed to prevent water hammer and reverse flow. Meeting API 594 Face-to-Face dimensions, this compact valve is easy to install between mating flanges, suitable for liquids, gases, and steam applications. With stainless steel construction, Buna-N seat, and Inconel® X-750 spring, it ensures reliable performance. Options for custom sizing, alloy materials, and soft seats make it versatile for various industrial applications.

Ready to Grow Without Cash Flow Constraints?

Get Net 30, 60, or 90 day terms at 0% interest on any purchase

Ready to Grow Without Cash Flow Constraints?

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 (Corrugated Flexible Graphite)
Materials Of Construction Seat
Buna-N (75 dur.)
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 | 300
Specifications B Dia
7 in | 177.8 mm
Specifications Cold Working Pressure
720 psig | 49.68 barg
Specifications Cracking Pressure Cp
0.59 psig | 0.041 bar
Specifications Cv
430
Specifications Dimension A
2.88 in | 73 mm
Specifications Dimension B
7 in | 177.8 mm
Specifications Ends
Wafer (RF)
Specifications Series
ALC®
Specifications Size
4.00 in | DN 100
Specifications Temperature Rating
-70 to 250 ºF
Specifications Weight
17.4 lb | 7.9 kg
Specifications Working Steam Pressure
590 psig