Description
Armstrong International C3510-10 Series 11LD Stainless Steel Free Floating Lever Drain Trap
The Armstrong International C3510-10 is a heavy-duty Series 11LD free floating lever drain trap engineered for reliable, automatic condensate removal in demanding steam and compressed air systems. Built with a stainless steel body for superior corrosion resistance, this trap is designed to handle high-pressure industrial applications with confidence.
Key Specifications
- Inlet Connection: 3/4″ NPT
- Outlet Connection: 1/2″ NPT
- Maximum Operating Pressure: 400 PSI
- Orifice Size: 1/8″
- Series: 11LD (Free Floating Lever)
- Body Material: Stainless Steel
Product Features & Benefits
- Free Floating Lever Design: The free floating lever mechanism allows the trap to open and close in direct response to condensate load, providing continuous and efficient drainage without manual intervention.
- Stainless Steel Construction: Offers excellent resistance to corrosion, oxidation, and the harsh conditions found in steam and compressed air systems, extending service life and reducing maintenance costs.
- High-Pressure Rated: Rated to 400 PSI, making it suitable for high-pressure steam distribution lines, compressed air systems, and industrial process piping.
- 1/8″ Orifice: Precisely sized orifice ensures efficient condensate discharge while preventing live steam loss, optimizing system energy efficiency.
- Reduced-Port Outlet: The 3/4″ NPT inlet to 1/2″ NPT outlet configuration provides flexibility in piping layouts and system design.
- Dependable Armstrong Quality: Engineered and manufactured by Armstrong International, a globally recognized leader in steam management and fluid handling solutions.
Typical Applications
- High-pressure steam distribution and process piping
- Compressed air and gas drip leg drainage
- Industrial manufacturing and processing facilities
- Commercial HVAC steam heating systems
- Drip trap service on steam mains and branch lines
Why Choose the Armstrong Series 11LD?
The Series 11LD free floating lever trap is a proven workhorse in steam and compressed air systems. Its simple, robust mechanism delivers reliable automatic drainage with minimal maintenance. The stainless steel body ensures long-term durability in corrosive or high-purity environments, while the 400 PSI pressure rating gives engineers and contractors the confidence to specify this trap across a wide range of demanding applications.







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