Product Description
The Durabla 8004 3/4" BSS is a stainless steel, spring-assisted, in-line Basic-Check® valve designed for reliable, low-maintenance service across a wide range of liquids, steam, and gases at varying pressure and temperature conditions. The valve features a precision-lapped metal-to-metal disc and seat for tight shutoff, and can be installed in horizontal or vertical orientations. It consists of a guard cage, spring, valve disc, retaining ring, and seat, and is compatible with standard pipe fittings such as reducing couplings and drain elbows for versatile pipeline and OEM applications.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Durabla |
| Model / Part Number | 8004 3/4" BSS |
| Product Series | Basic-Check® |
| Style | BSS (Basic Stainless Steel) |
| Valve Type | In-Line Check Valve (Non-Slam) |
| Valve Ways & Position | 2-Way |
| Operation | Spring Assisted |
| Line Size (Inlet) | 3/4" |
| Line Size Inlet FNPT (A) | 3/4" (0.75 in / DN 20) |
| Outside Thread MNPT (B) | 1-1/2" (1.50 in) |
| End Connection | Female NPT x Male NPT (Threaded) |
| Piping Configuration | Straight (In-Line) |
| Cold Working Pressure (CWP) | 2000 PSI (138 barg) |
| Pressure Range | 450 to 6000 CWP (series range) |
| Valve Cracking Pressure | 0.44 PSI (0.03 bar / 12.1 in. water) ±10% |
| Cv Flow Coefficient | 13.2 |
| Friction Loss | 6 feet of pipe (1.8 meters) |
| Body / Guard Material | CF8M (Cast 316 Stainless Steel) |
| Seat Material | 303 Stainless Steel |
| Disc Material | 316 Stainless Steel |
| Spring Material | 316 Stainless Steel |
| Retaining Ring Material | 316 Stainless Steel |
| Max Operating Temperature (Metal Seat) | -460°F to 450°F (316 SS Spring) |
| Closing Action | Spring-Assisted Silent Closing |
| Installation Orientation | Horizontal or Vertical |
| Application / Media | Liquids, Gas, Steam, Water |
| Soft Seat Options | Buna-N, EPDM, TFE-Viton, Viton, Zelon |
| Standards / Codes | ANSI B1.20.1, MSS SP-25 |
| Approximate Net Weight | 0.88 lb (0.4 kg) |
| Cryogenic Service | Suitable (all stainless steel construction) |
We warranty all items for 30 days from date of purchase.
Other Details
We warranty all items for 30 days from date of purchase. If you experience any issues with your item within this period, please contact us and we will work with you to resolve the problem. This warranty covers defects in functionality but does not cover damage caused by misuse, improper installation, or normal wear and tear.Product Videos
Custom Field
GTIN 679523686161
Connection Type NPT Threaded
Material Stainless Steel
Pressure 450 to 6000 CWP (series)
Application Liquids, Gas, Steam, Water
Ratio Straight
Manufacturer Durabla
Empty Weight 0.88 lb (0.4 kg)
Part Number 8004 3/4" BSS
Series Basic-Check®
Shelf K-10
Model 8004 3/4" BSS
MPN 8004 3/4" BSS
Type Check Valve
