Merit Brass 650-12 Slip on Pipe Flange 3/4 in 150 Psi Ss 316

Product Description

The MERIT BRASS 650-12 is a slip-on pipe flange designed for 3/4-inch pipe with an outside diameter of 3-7/8 inches. Manufactured from Grade 316 stainless steel, this flange is rated to 150 psi and provides a corrosion-resistant connection point for piping systems in demanding environments. It features four bolt holes with 5/8-inch diameter, centered on a 2-3/4-inch bolt hole circle. Licensed plumbers and pipefitters install this flange in industrial, commercial, and mechanical piping applications where stainless steel is specified for chemical resistance or hygiene requirements.

The MERIT BRASS 650-12 is suited for use in 3/4-inch piping systems operating at or below 150 psi. Typical installations include industrial process lines, food and beverage facilities, chemical handling systems, and commercial plumbing where Grade 316 stainless steel is required for elevated corrosion resistance. The slip-on design allows the pipe to pass through the flange bore before welding, simplifying alignment during assembly.

Key Features

• Grade 316 stainless steel construction for superior corrosion resistance
• Slip-on connection style for straightforward pipe alignment and welding
• Rated to 150 psi working pressure
• 3-7/8 inch outside diameter with 3/4 inch pipe size compatibility
• Four bolt holes at 5/8 inch diameter on a 2-3/4 inch bolt hole circle

Compatibility

Designed as an OEM-style slip-on flange for 3/4-inch pipe systems requiring 150 psi-rated stainless steel connections.

Installation Notes

Installation is performed by licensed plumbers or certified pipefitters. Depressurize and drain the piping system fully before fitting or welding. Slip-on flanges require two fillet welds per ASME B31 piping code guidelines — one at the face and one at the bore — for a leak-tight assembly. Inspect bolt hole alignment before tightening fasteners to the flange pair in a cross-pattern sequence.