Style M – 316 SS – 450 PSI rated – 4″


SKU: M0400-C-BTSS-SS-SS Category:


Piedmont Style M Grooved Coupling

Featured Highlights:

  • Solid 316 stainless steel* Grade CF8M, conforming to ASTM A351.
  • Stainless steel 316 is used for its resistance to corrosion. Highly durable, stainless steel requires low maintenance and is ideal for freshwater applications.
  • EPDM rubber gasket, suitable for hot and cold water service. NSF/ANSI 61 approved for drinking water system components. Not suitable for petroleum service.
  • Nuts and bolts are Round-head, square-neck, type 316 stainless steel bolts and heavy hex nuts conform to ASTM F-593 and 594, Group 2, condition CW.
  • Sizes are 3/4″- 16″ Nominal size pipe.

Note: Working pressure ratings based upon generally accepted pressure piping design standards and testing in accordance with ASME Section VIII Division 1 pressure vessel test method.


  • This item requires a minimum quantity of 2 to be purchased.

Additional information

Weight 1.5 lbs
Dimensions 3.63 × 5 × 1.7 in

316L SS

Pressure Rating

300 PSI

Nominal Size

2.5", 3", 4"

Gasket Material


Coupling Style

Style M 316SS (CF8M)