Viega 91940 MegaPress 316 Stainless Steel Union 1-1/4 Inch FKM

The Viega 91940 MegaPress 316 Union delivers a reliable, flame-free connection solution for 1-1/4 inch stainless steel piping systems. Engineered for professional plumbing and mechanical applications, this press fitting eliminates the need for welding, threading, or flanging, significantly reducing installation time while maintaining superior joint integrity.

Key Features:

• Premium 316 stainless steel construction for exceptional corrosion resistance in demanding environments
• Compatible with Schedule 5 through Schedule 40 stainless steel pipe
• FKM (fluoroelastomer) sealing elements provide superior chemical resistance and high-temperature performance
• Press connection technology creates permanent, leak-proof joints in seconds
• Union design allows for easy disassembly and maintenance access
• Smart Connect feature—unpressed fitting will leak if system is pressurized, alerting installers to incomplete connections

Complete System Components:

• AFM flat gasket for reliable sealing
• FKM sealing elements for chemical and temperature resistance
• Grip rings for secure mechanical connection
• Separator rings for proper alignment and fitting integrity

Ideal for industrial, commercial, and marine applications where 316 stainless steel is specified for corrosive environments, chemical processing, or food-grade systems. The FKM seal material is particularly suited for applications involving oils, fuels, and high-temperature fluids up to 248°F (120°C).