JH Cylindrical – Hospital Grade Series
For an exceptional level of performance, this silencer utilizes both absorptive and reactive designs to reach a high degree of attenuation. It is ideally suited for equipment operating in very quiet environments.

TYPICAL ATTENUATION – 35 TO 40 DB(A)
Connections sizes are nominal. Dimensions are in inches. Weights are in pounds, depend on selected options, and are approximate.
STANDARD PRODUCT
- Dual shell construction to eliminate shell radiated noise and increase durability
- No mounting or integrated mounting options (f); see Cylindrical Silencer Mounting Options (p.34)
- Aluminized steel, carbon steel or 304 stainless steel construction (m); aluminized steel is only available for 8′ and smaller
- Aluminized/carbon steel housings coated with satin black paint rated to 1200°F
- Connections:
- Male NPT on 3.5” and smaller
- 125/150# ANSI flanges on 4” and larger
CONFIGURABLE OPTIONS
- Side inlet (c) and side outlet (d) orientation
- Side inlet and size outlet “F” dimension (n)
- Inlet size and connection type (i/j) and outlet connection type (p)
- Dual inlet (h/n)
- See EM Silencers Part Number Legend (p.6); dual inlet and “F” dimension options require a part number from MIRATECH
CUSTOM OPTIONS
- Custom configurations, materials, connections, overall dimensions, etc.
- Part numbers will be confirmed upon receipt of project design requirements. specifications, or order