Viega 91930 MegaPress 316 Stainless Steel Press Union 3/4 Inch FKM

The Viega 91930 MegaPress 316 FKM union fitting delivers professional-grade press connection technology for stainless steel piping systems. Designed for demanding applications in marine, industrial, and hydronic environments, this 3/4-inch union fitting features 316 stainless steel construction with FKM (fluoroelastomer) sealing elements for superior chemical resistance and durability.

Key Features:

• 316 stainless steel construction for maximum corrosion resistance
• Compatible with Schedule 5 to Schedule 40 stainless steel pipe
• FKM sealing element provides excellent chemical and temperature resistance
• Smart Connect technology identifies unpressed connections during pressure testing
• Press connection eliminates threading and welding
• Engineered with 420 stainless steel grip ring and separator ring
• Creates secure connections in seconds with compatible press tools

System Components:

• Factory-installed FKM sealing elements
• 420 stainless steel grip rings for secure mechanical joint
• 304 stainless steel separator rings
• AFM flat gasket included

Applications:

• Hydronic heating and cooling systems
• Compressed air and industrial gas distribution
• Marine plumbing and piping systems
• Industrial process piping
• Chemical transfer systems requiring FKM compatibility

The MegaPress 316 FKM system eliminates the need for hot work permits, fire watches, and messy cutting oils. Installation is fast and reliable using approved Viega press tools with MegaPress rings and actuators. The white dot indicator confirms FKM sealing element specification. Meets ASTM A312 standards for stainless steel pipe systems and conforms to IAPMO/ANSI/CAN Z1117 performance criteria.