4 in. Female x Female Lead-Free CSA Full Port Ball Valve
4 in. Female x Female Lead-Free CSA Full Port Ball Valve
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The 4 in. Female x Female Lead-Free CSA Full Port Ball Valve is a lead-free, dezincification-resistant (DZR) forged-brass full-port ball valve. Female NPT × Female NPT connections for standard threaded pipe. Midland's product documentation lists this ball-valve family as IAPMO- and CSA-listed to NSF/ANSI 61, NSF/ANSI 372 and IAPMO IGC 157 (lead-free). Apex has not independently confirmed the current listing certificate for this SKU; confirm current certification documentation before specifying it for regulated or potable-water service.
Manufacturer Part Number (MPN): 941161LF
Product photo shown is a representative image of the FNPT connection family (photographed unit: 941151LF); this listing is 941161LF. Port size and dimensions vary by SKU — see specifications above for this item's exact size.
Technical Specifications
| Specification | Value |
|---|---|
| Body Material | Lead-Free Brass (≤0.25% Pb), DZR forged |
| Listing (per manufacturer) | IAPMO- and CSA-listed to NSF/ANSI 61, NSF/ANSI 372, IAPMO IGC 157 |
| End Connections | Female NPT x Female NPT |
| Pressure Rating | 600 psi WOG / 150 psi WSP (per manufacturer) |
| Application | Potable and general water service — confirm certification documentation |
| Lead Content | ≤0.25% weighted average (manufacturer-designated lead-free) |
Key Features
- Manufacturer-designated lead-free, dezincification-resistant (DZR) forged brass (≤0.25% Pb weighted average)
- Midland documents IAPMO and CSA listing to NSF/ANSI 61 and NSF/ANSI 372 (IAPMO IGC 157)
- Full-port ball valve, 600 psi WOG / 150 psi WSP (per manufacturer)
- Confirm current certification documentation before specifying for regulated or potable-water service
When Lead-Free Certification Is Required
Federal law requires lead-free plumbing for valves installed in systems conveying drinking water — new construction, repairs, and replacements. Industrial-only applications (HVAC, steam, process) are exempt. See our full brass ball valve and check valve selections for both standard and lead-free options.