905N1B4A3 Genuine DFT Wafer Style Check Valve ALC Series, "6", "6", "4"
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905N1B4A3 Genuine DFT Wafer Style Check Valve ALC Series
This industrial-grade wafer-style spring-assisted check valve is engineered to prevent pipeline backflow, minimize dynamic water hammer shockwaves, and guarantee quick-closing non-slam reliability under high-velocity fluid conditions in critical process piping networks.
Key Features
- Designed to match or exceed applicable specifications
- Provides the function required for the intended system or assembly
- Built for dependable performance and service life
- Backed by DFT quality and engineering.
Specifications
| Brand | DFT |
| Part Type | Wafer Style Check Valve |
| SKU | 905N1B4A3 |
| OEM Cross Reference | 902N1B4A3, DFT 9058, D9058 |
| UPC | 705035AT |
| Weight | 43.0 lb |
Brand Information
Brand: DFT
As a global benchmark in inline, spring-assisted check valves and severe-service control valves, DFT Inc. utilizes heavy-duty carbon or stainless steel castings, micro-machined metal-to-metal or soft seats, and advanced pressure-seal laboratories to engineer pipeline components that completely fulfill elite industrial ASME and API technical guidelines.
| Model | Component | Year | Serial Numbers |
| Industrial Steam & Condensate Systems | Main Pipeline Non-Slam Backflow Prevention Valve | 2013-2026 | All Models |
| Chemical & Petrochemical Refining Plants | High-Pressure Volumetric Flow Isolation Node | 2015-2026 | All Series |
| Commercial HVAC Water Distribution Networks | Auxiliary Centrifugal Pump Protection Line Assembly | 2014-2026 | All Models |
| Power Generation Fluid Transmission Infrastructure | Main Boiler Feedwater Reverse Flow Safeguard Unit | 2012-2026 | All Series |
Shipping Information
Processing time
In-stock parts ordered by 6:30 PM ET (Mon–Fri) leave our Arden, NC warehouse the same business day. Orders placed after the cutoff, or on weekends and holidays, ship the next business day.
Special-order and non-stock items typically add 1–2 business days of processing before shipping. If anything will take longer, we'll contact you first.
Delivery speeds
We ship with trusted national carriers (UPS, FedEx, USPS). Typical transit times after your order ships:
| Service | Transit time | Best for |
|---|---|---|
| Next Day Air | 1 business day | Down equipment — when every hour counts |
| 2nd Day Air | 2 business days | Urgent jobs on a schedule |
| Ground | 1–5 business days | Most orders — fast from NC to most of the eastern US |
| Economy / Standard | 3–7 business days | Non-urgent orders |
Freight & oversized items
Large or heavy items (housings, axles, large assemblies) may ship via LTL freight. If your order requires freight, we'll contact you with delivery details before dispatch.
- Freight deliveries are typically curbside.
- Lift-gate, residential, or inside delivery may add carrier fees — we'll quote these up front.
- The carrier may call to schedule a delivery appointment.
International shipping
Yes, we ship internationally. Rates and delivery times vary by destination and are shown at checkout. International customers are responsible for any duties, taxes, customs, or brokerage charges required by their country or carrier.
Free shipping offers
When we run free-shipping promotions, they apply to qualifying items and selected methods within the contiguous United States. Oversized/freight items aren't eligible unless specifically stated.
Damaged, lost, or missing items
Refused shipments
If you need to refuse a delivery, contact us first. Refused packages may be subject to return shipping charges unless the item is defective or damaged.
Track your order → · Call +1 (855) 994-4114 (Mon–Fri, 6 AM–10 PM ET) · support@speedysparts.com
Contact the Speedy's Parts team
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2398 Hendersonville Rd, Arden, NC 28704
