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Description
4" Double Door UL/FM Wafer Check ValveThe 4" Double Door UL FM Wafer Check Valve is a high performance, compact check valve designed for backflow prevention in fire protection, HVAC, and industrial piping systems. Featuring a dual plate (double door) design, this valve provides low pressure drop, quick closure, and reliable flow control. UL listed and FM approved, it meets industry standards for fire protection and commercial applications. Specification Details TYPE Double Door Wafer
The 4" Double Door UL/FM Wafer Check Valve is a high-performance, compact check valve designed for backflow prevention in fire protection, HVAC, and industrial piping systems. Featuring a dual-plate (double-door) design, this valve provides low-pressure drop, quick closure, and reliable flow control. UL-listed and FM-approved, it meets industry standards for fire protection and commercial applications.
| Specification | Details |
|---|---|
| TYPE | Double Door Wafer Check Valve |
| DESIGN |
Double-Door (Dual-Plate) Design, Ensures efficient backflow prevention with minimal pressure |
| MATERIAL | Ductile Iron Provides high durability, strength, and corrosion resistance |
| WEIGHT (LBS) | |
| ADDITIONAL INFORMATION | 3.66" Length, 6-3/4" OD |
| BODY MATERIAL | Ductile Iron |
| Disc Material | Stainless Steel AISI 316 |
| FINISH | Fusion Bonded Epoxy Coated |
| NOMINAL SIZE | 4" |
| OPENING SIZE | 5.35" |
| PRESSURE RATING | 300 psi |
| SEAL MATERIAL | PTFE |
| SEAT MATERIAL | EPDM |
| TEMPERATURE RATING | 32 to 212 °F |
| APPLICATIONS |
Ideal for Fire Protection Systems, HVAC & Mechanical Piping, Water Distribution & Plumbing, Industrial & Process Control, Irrigation & Water Treatment |
| BRAND | Midland Industries |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy