Stainless Steel Grooved Rigid Coupling

The Model SS-7 Stainless Steel Rigid Coupling is designed to provide a secure, rigid grooved pipe connection for Schedule 5S, Schedule 10S, and Schedule 40S stainless steel pipe. Its tongue-and-groove housing design creates a positive rigid joint, making it an excellent choice for systems where movement or deflection is not desired.

Manufactured with CF8 (304) or CF8M (316) stainless steel housings, an EPDM gasket, and stainless steel track bolts with heavy-duty nuts, the SS-7 delivers dependable performance in demanding commercial and industrial piping applications.

Key Features

• Rigid grooved coupling for stainless steel pipe
• Compatible with Schedule 5S, 10S, and 40S pipe
• Tongue-and-groove housing design for a positive rigid connection
• Heavy-duty bolt pad design for added joint strength
• No built-in teeth to protect light-wall pipe and fittings
• Available with CF8 (304) or CF8M (316) stainless steel housings
• EPDM gasket for reliable sealing performance
• Supplied with stainless steel track bolts and heavy-duty nuts

Construction Details

The Model SS-7 consists of two identical stainless steel housing segments that engage with a tongue-and-groove mechanism to create a rigid, positive joint without relying on pipe-gripping teeth.

An EPDM gasket provides dependable sealing, while stainless steel track bolts and heavy-duty nuts ensure secure assembly and corrosion resistance.

The toothless housing design helps protect lighter-wall stainless steel pipe and fittings from damage during installation and operation.

Important Notes

Designed specifically for use with grooved Schedule 5S, Schedule 10S, and Schedule 40S stainless steel pipe.

Available in CF8 (304) and CF8M (316) stainless steel materials to suit a variety of application requirements.

Always follow the manufacturer's installation instructions and verify gasket compatibility with the intended service media.

Product Documents

SS-7 Submittal Technical Data Installation Handbook Performance Data Stainless Steel Applications