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249 ACC E S S O R I E S 8 For more information or for additional configurations, please contact us at NASInsideSales@imi-precision.com SILENCERS NST Series Silencers » Straight-through design » Felt liner provides low frequency sound » Male and female connections » 19 models » Reliable – straight through design – non-clogging » Maximize performance – silences pneumatic equipment without back pressure » Increase productivity and operator safety » Reduces irritating noise, improves working environment » Increase savings – reduces maintenance costs, increases equipment life The NST Series Silencers are designed with a straight through flow path that eliminates clogging by allowing the contaminants to pass directly through the silencer. Each silencer is tuned in proportion to its exhaust flow to minimize noise. As air passes through the silencer, the dense felt element absorbs the noise, thus reducing high pitch exhaust noise to a gentle, low frequency sound. Even in the most adverse conditions, contaminants pass through the silencer making the NST Series ideal for silencing vacuum generators that are continuously ingesting dirt and debris. A I R F L O W A B C ØD ØE Part Number Dimensions Weight oz (g) Construction Noise Level A in. (mm) B in. (mm) C in. (mm) D in. (mm) E in. (mm) Body Element NST4AX 1/4 NPT F 3.19 (81.0) 3.56 (90.4) 0.50 (12.7) 1.00 (25.4) 1.8 oz (51g) Anodized Aluminum Felt 75dB NST6AX2 3/8 NPT F 2.17 (55.1) 2.55 (64.7) 0.50 (12.7) 1.00 (25.4) 1.8 oz (51g) 75dB NST6BX 3/8 NPT F 4.19 (106.4) 4.82 (122.4) 0.72 (18.3) 1.25 (38.1) 3.4 oz (96g) 77dB NST8BX 1/2 NPT F 4.19 (106.4) 4.80 (121.9) 0.73 (18.5) 1.25 (31.8) 3.1 oz (88g) 76dB NST16FC 1 NPT F 6.39 (162.3) 7.14 (181.4) 1.25 (31.8) 2.00 (50.8) 7.6 oz (215g) 80dB NST24FC 1 1/2 NPT F 7.10 (180.3) 7.85 (199.4) 1.25 (31.8) 2.00 (50.8) 7.9 oz (224g) 82dB NST Series Silencers: Female Threads NST Series Silencers Specifications: Max. Operating Pressure: Not to exceed 150 PSI Noise level: Measured 4.5 on the diagonal from the silencer while attached to a Norgren generator. Noise levels will vary on Norgren and non-Norgren products. Note 1: Norgren strongly recommends the use of silencers on all vacuum generators. Note 2: Norgren silencers may be used on all types of pneumatic devices i.e. air-operated vacuum generators, air motors, valves, cylinders and more. Note 3: NST Silencers may be used on all Norgren vacuum generators. Note 4: For Metric availability, consult factory. How to Specify: » For Silencer only: Order by Model #. » Norgren generator/silencer combinations: Norgren recommends silencers that have been sized to ensure maximum generator performance. See specific generator for silencer options. » Non-Norgren pneumatic devices: The thread size on the exhaust port of the pneumatic device determines the size of the silencer. » Equipment and applications may vary. Consult factory for proper silencer selection.