Attwood Marine Stainless Steel Scupper Valve Barbed - 1-1/2 inch Hose Size

Stainless Steel Scupper Valve Barbed - 1-1/2" Hose Size

Polish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat

Rugged Stainless Construction:

• Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance


• All visible areas are polished to a mirror finish, then passivate each part for additional protection


• Thick steel sidewalls withstand continual stress and hose flexing

Faster, Simpler Installation:

• Each Scupper Valve is available with a new silicone gasket


• A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal


• All models have wrench flats or an end notch to hold as a gripping surface; one installer can tighten all connections from inside the hull


• The barbed tail ends provide plenty of room to hold multiple clamps

Stainless Steel Scupper Valves, Barbed:

• The Scupper Flap is tough neoprene rubber with a molded V that fits into the grooved body to reduce backwash


• Fasteners are concealed and corrosion-proof

Specifications:

• Hose size: (inch) 1-1/2" inner diameter


• Thread Diameter: (inch) 1-7/8"


• Flange O.D. (outside diameter): (inch) 3"


• Thread Length: (inch) 3-1/2"


• Barb Length: (inch) 1-1/2"


• Total Length: (inch) 5-1/2"


• Install Hole Saw Size: (inch) 2"


• Thread NPSM: (inch) 1-1/2"


• Max Hull Thickness: (inch) 3"

*Stainless Steel Thru-Hull Connectors are designed for installation above the water line only

Enhance your boat's drainage system with the Attwood Marine Stainless Steel Scupper Valve Barbed, designed for 1-1/2 inch hose connections. Constructed from certified Enhanced 316 stainless steel, this durable fitting offers exceptional strength and corrosion resistance for a lifetime of reliable performance. All visible surfaces are polished to a mirror finish and passivated to provide additional protection against the harsh marine environment, ensuring your boat maintains a sleek appearance while resisting rust and corrosion. The thick steel sidewalls are engineered to withstand continual stress and hose flexing, making this fitting suitable for demanding marine applications. Its rugged construction guarantees longevity and dependable operation in various conditions.
The installation process is faster and more straightforward thanks to features like a silicone gasket included with each unit, and a channel under the flange designed to hold a bead of sealant for a secure, trouble-free seal. The valve includes wrench flats or an end notch to facilitate tightening from inside the hull, allowing a single installer to complete the setup efficiently. The barbed tail ends provide ample room for multiple clamps, ensuring a tight and secure connection to your hoses. The durable neoprene rubber flap with a molded V reduces backwash, maintaining proper flow and preventing water from re-entering the vessel. Concealed, corrosion-proof fasteners complete the design, combining functionality with a clean aesthetic.
Designed specifically for above-waterline installations, this stainless steel thru-hull connector features a 1-1/2 inch inner diameter hose size, with a 1-7/8 inch thread diameter and a 3-inch flange outside diameter. The thread length measures 3-1/2 inches, and the barb length is 1-1/2 inches, with a total length of 5-1/2 inches. It requires a 2-inch install hole saw and is compatible with 1-1/2 inch NPSM threads. The maximum hull thickness accommodated is 3 inches, making it suitable for a range of boat hulls. Investing in this high-quality stainless steel scupper valve ensures a durable, corrosion-resistant, and easy-to-install solution for your marine drainage needs.

Features:

• Constructed from certified Enhanced 316 stainless steel for maximum strength and corrosion resistance

• Mirror-polished and passivated surfaces for enhanced durability and appearance

• Thick steel sidewalls withstand continual stress and hose flexing

• Includes a silicone gasket for faster, easier installation

• Flange with a channel for bead of sealant ensures a reliable, trouble-free seal

• Wrench flats or end notches allow for easy tightening from inside the hull

• Barbed tail ends provide room for multiple clamps for secure hose connections

• Neoprene rubber flap with molded V reduces backwash and maintains flow

• Corrosion-proof concealed fasteners for a clean, durable finish

• Designed for above-waterline installation with a 1-1/2 inch hose size