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Male to Female NPT Locking Ball Valve
The 304 Stainless Steel Male to Female NPT Locking Ball Valve is designed for secure flow control in industrial piping systems. With a male NPT thread on one end and a female NPT thread on the other, it allows contractors to easily integrate the valve between threaded components. The locking handle ensures tamper-resistant operation, making it ideal for critical applications involving water, steam, air, or chemicals. Built for durability and corrosion resistance, this valve provides reliable shutoff and long-term performance. Install using standard tools and thread sealant for a leak-free, secure connection in demanding environments.

Key Features
- Proven Technology: Simple and robust connection ensures long-term system reliability.
- Flameless Installation: Clean, safe assembly reduces installation and repair time.
- Cost Efficiency: Achieve over 50% reduction in traditional installation costs.
- Vibration Absorption: Elastomeric connections absorb vibration, thermal expansion, and contraction.
- Corrosion Resistance: Chromium dioxide layer protects against harsh environments.
- Fluid Integrity: No risk of contamination to conveyed fluids.
- UV Stability: No degradation from UV exposure.
- Low Expansion: Thermal expansion factor of only 16, ensuring dimensional stability.
Size Range
Available in 1/2″ to 2″, each valve is supplied with (2) Union Connectors for secure and efficient installation.
Material
- 304 Stainless Steel: Hygienic, durable, and corrosion-resistant for long-term use in industrial environments.
Seal Options
- Valve Body Seal: PTFE for excellent chemical resistance and high-temperature performance.
Applications
- Compressed Air / Inert Gases: Ideal for corrosive environments and food-grade systems
- Chemical Handling: Excellent corrosion resistance
- Cooling Systems: Coolers, cooling towers, and chillers (glycol-based)
- Process Water: Reliable in industrial water systems
- Oils: Suitable for cutting fluids and lubricants
- Power Generation: Built to perform in demanding energy sector conditions
Certifications
- ASME B31.1, ASME B31.3, ASME B31.9
- ASTM A312
- ISO 8573-1
- ISO 9001, ISO 14001
Warranty
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- 10-Year Warranty on all AP Stainless fittings

Additional information
Weight
1.76 lbs
Male NPT to Female NPT
16mm-1-2-pipe-to-1-2-female-npt, 20mm-3-4-pipe-to-3-4-female-npt, 25mm-1-pipe-to-1-female-npt, 32mm-1-1-4-pipe-to-1-1-4-female-npt, 40mm-1-1-2-pipe-to-1-1-2-female-npt, 50mm-2-pipe-to-2-female-npt
Color
Silver Metallic
Features
High Flow
Pressure
188 PSI, 1mbar/0.03inhg (Full industrial vacuum), 200 PSI
Connection
Threaded
Temperature
EPDM -4°F to +248°F
Material
Stainless Steel
AP Stainless Certification
ASME, CE, EN, ISO 14001, ISO 45001, ISO 9001, TS, TUV, UL, ASME B31.1, ASME B31.3, ASME B31.9, ASTM A312, ISO 8573-1, ISO 9001, ISO 14001