1-1/2" FNPT x 1-1/2" MegaPress Stainless Steel Adapter

Designed for non-potable water applications up to 200 psi and 250°F. Ideal for quick, leak-proof connections with Schedule 10-40 stainless pipe without welding

SKU: P-WAT-2825
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$134.99

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The 1-1/2" FNPT x 1-1/2" MegaPress Stainless Steel Adapter, identified by MPN 4112, is a high-performance, straight crimp adapter fitting designed for robust fluid connections in demanding commercial and industrial applications, including various aspects of a car wash tunnel such as the Ladder Rack system.


This adapter features a 1-1/2 inch Press-Fit connection on one end and a 1-1/2 inch Female Pipe Thread (FNPT) connection on the other, allowing for seamless integration of piping systems. It is constructed from 304 Grade Stainless Steel, which provides exceptional resistance to corrosion, high temperatures, and the corrosive cleaning materials typically found in car wash operations.


Inside the adapter is a versatile FKM (Fluoroelastomer) sealing element along with a stainless grip ring. This combination ensures a reliable, leak-proof connection that can withstand high temperatures and pressures. These adapters are ideal for use with Schedule 10 to Schedule 40 stainless steel pipe, providing a secure and durable system.


A significant advantage of this MegaPress adapter is that it allows for wet connections and eliminates the need for welding, grinding, or heavy equipment for installation. This drastically simplifies and speeds up plumbing work. The fitting is capable of handling pressures up to 200 psi and has an operating temperature range of 0°F to 250°F. It complies with numerous industry standards including CRN, IAPMO/UPC, ICC, and TSSA/ASME B31 series.

  • Product Type: Crimp Adapter Fitting / MegaPress Adapter
  • Manufacturer Part Number (MPN): 4112
  • Fitting Shape: Straight Adapter
  • Material: 304 Stainless Steel
  • O-Ring Material: FKM
  • End 1 Connection Type: Press-Fit
  • End 1 Pipe Size: 1-1/2 in
  • End 2 Connection Type: Female Pipe Thread (FNPT)
  • End 2 Pipe Size: 1-1/2 in
  • Maximum Operating Pressure: 200 psi
  • Operating Temperature Range: 0°F to 250°F
  • Overall Length: 3 9/32 in (approx. 3.28 inches or 3-5/16")
  • Compatibility: Schedule 10 - Schedule 40 stainless steel pipe
  • Application: Non-Potable Water
  • Compliance & Standards: CRN: 13492.5 A/B, IAPMO/UPC PS-117, ICC LC1002, TSSA-ASME B31, ASTM A312, TSSA/ASME B31.1, TSSA/ASME B31.3, TSSA/ASME B31.9
  • MegaPress Technology: Allows for quick, flameless, and secure connections without welding or threading.
  • Durable Stainless Steel (304 Grade): Provides exceptional resistance to corrosion, high temperatures, and harsh chemicals.
  • Leak-Proof FKM Seal: Ensures a reliable and long-lasting connection under pressure.
  • High Pressure & Temperature Rating: Suitable for demanding applications with operating ranges up to 200 psi and 250°F.
  • Versatile Application: Ideal for connecting stainless steel pipes in commercial and industrial settings, including car wash tunnels.
  • Wet Connection Capability: Can be installed on systems that are still wet, increasing flexibility during maintenance.

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