150# Stainless Steel Union ISO 49

150# Stainless Steel Union ISO 49 fittings provide a reliable threaded connection that allows piping systems to be easily disconnected for maintenance or equipment replacement. Manufactured from corrosion-resistant stainless steel, these unions deliver long-lasting performance in demanding industrial, commercial, and chemical processing environments.

Available in AISI 304 or AISI 316 stainless steel, these standard pattern cast fittings conform to ISO 49-1983 (E) dimensional standards and are certified to NSF/ANSI 61 for low lead potable water applications.

Key Features

• 150 lb threaded stainless steel union
• Available in AISI 304 or AISI 316 stainless steel
• Low lead certified to NSF/ANSI 61
• Conforms to ISO 49-1983 (E) dimensional standards
• Standard pattern cast construction
• Excellent corrosion and rust resistance
• Helps prevent contamination from rust, scale, and particles
• High strength and durability at elevated temperatures
• Designed for long service life with easy installation and maintenance

Construction Details

Manufactured using precision cast stainless steel for dependable strength, dimensional consistency, and excellent resistance to corrosion in harsh environments.

The three-piece union design allows piping sections to be disconnected quickly without disturbing adjacent piping, simplifying installation and maintenance.

Stainless steel construction offers superior resistance to a wide range of industrial chemicals and process fluids while providing a significantly longer service life than many alternative materials.

Important Notes

Certified low lead for potable water systems in accordance with NSF/ANSI 61.

Manufactured to ISO 49-1983 (E) dimensional requirements using AISI 304 or 316 stainless steel.

Verify material grade, thread compatibility, and pressure requirements before installation.

Product Documents

Merit Stainless Steel Standard Pattern Cast Fittings Pipe Chart: Common Diameters & Wall Thicknesses