Coupling pipe coupling Figure 472

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Overview
The Grinnell Figure 472 Rigid Coupling is manufactured in cast 316 stainless steel and is rated for working pressures up to 41.4 bar (600 psi). Its universal tongue-and-groove housing provides a 360° grip on the pipe circumference. Sizes DN32–DN100 (1 1/4"–4") include gripping teeth to prevent rotation during installation.

Features

• Available sizes: 1 1/4" (DN32) through 12" (DN300)
• Listings and approvals: UL, ULC & FM
• Suitable for corrosive environments due to 316 stainless steel construction
• Pressure capability: up to 41.4 bar (600 psi) as standard; some configurations reference capability up to 750 psi depending on pipe size and wall thickness — see technical data sheets
• Faster installation compared with threading, welding or flanging
• Available with multiple gasket options

Product Information (table)
Product Type: Rigid coupling
Listings and Approvals: UL and ULC Listed; FM Approved
Sizes: DN32 to DN300 (1-1/4 to 12 in.) — varies by model; see technical data sheet G569 for details
Regional Availability: Not available in the US or Canada

Technical characteristics / specifications

• Model: Figure 472
• Material: Cast 316 stainless steel
• Sizes: DN32 to DN300 (1-1/4" to 12")
• Pressure rating: Up to 41.4 bar (600 psi) as stated; page also references capability up to 750 psi depending on pipe size and wall thickness — refer to technical data sheets G560 / G569 for details
• Design: Universal tongue-and-groove housing providing 360° pipe circumference grip
• Gripping teeth: Provided on sizes 32mm–100mm (1 1/4"–4") to prevent rotation during installation
• Gasket options: Available with several gasket types
• Regional note: Not available in the US or Canada