Shopping security
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 |
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order