The ATSM Series is an adjustable speed Muffler is made of Brass with a standard 40 micron sintered Bronze element. The maximum operating pressure is 300 psi for MNPT thread sizes of 1/8 inch, 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, and 1 inch, with the exception of the 10-32 Male UNF threads. The maximum operating pressure for the 10-32 Male UNF threads is 150 psi. The working temperature range for all sizes is 35˚ F to 300˚ F.
This series is also available in 303 Stainless Steel with a 316 Stainless Steel, 70 micron screen. The Stainless Steel Muffler is available with MNPT threads of 1/8 inch, 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, and 1 inch. The maximum pressure is 300 psi and the working temperature range is 35˚ F to 392˚ F.
