3/4 in. Lead-Free Brass Swing Check Valve, Female NPT | 940353LF
3/4 in. Lead-Free Brass Swing Check Valve, Female NPT | 940353LF
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The 3/4 in. Lead-Free Brass Swing Check Valve (940353LF) is a lead-free brass swing check valve suitable for potable water supply lines — lead-free per the federal Safe Drinking Water Act definition; certification documents available on request. Female NPT connections for threaded installation.
Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer Part Number (MPN) | 940353LF |
| Nominal Size | 3/4 in. |
| Valve Type | Swing check valve, lead-free brass |
| End Connections | Female NPT x Female NPT |
| Body Material | Lead-Free Brass (≤0.25% Pb) |
| Pressure Rating | 200 psi WOG |
| Temperature Range | Full manufacturer spec sheet available on request |
Key Features
- Lead-free brass body — ≤0.25% lead by weighted average, meets the federal Reduction of Lead in Drinking Water Act (2014)
- Swing check design — full port, low headloss when open
- Female NPT connections for straightforward threaded installation
- Suitable for potable water supply lines — new construction, repairs, and replacements
Common Applications
Potable water distribution, domestic water supply, and municipal service lines where lead-free certification is required by code. Backflow prevention on pump discharge and supply lines feeding drinking water systems.
Technical Resources
- How to Choose the Right Valve for Your Application
- Check Valve Types Explained (Swing vs. Spring vs. Wafer)
Other Sizes in This Series
The Lead-Free Brass Swing Check Valve (FIP x FIP) is available in the following sizes:
| Size | Part # | Price | Cart |
|---|---|---|---|
| 1/2 in. | 940352LF | $12.99 | Add to cart |
| 3/4 in. | 940353LF | $11.99 | (this page) |
| 1 in. | 940354LF | $18.99 | Add to cart |
| 1-1/4 in. | 940355LF | $32.99 | Add to cart |
| 1-1/2 in. | 940356LF | $42.99 | Add to cart |
| 2 in. | 940357LF | $64.99 | Add to cart |
| 2-1/2 in. | 940358LF | $147.99 | Add to cart |
| 3 in. | 940359LF | $236.99 | Add to cart |
| 4 in. | 940360LF | $338.99 | Add to cart |
Need copper (sweat) connections instead of threaded? See the Copper x Copper Lead-Free Swing Check series.
Expert Guides for This Product
- Check Valve Orientation & Installation — flow direction and mounting rules
- Check Valve Sizing Guide — why line size isn't valve size
- Slamming & Water Hammer — causes and fixes
- Check Valve Leaking? — diagnose and fix it
- Check Valve Chattering — the sizing problem nobody checks
- Buna vs. Viton Seats — which elastomer fits your media