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2G / QB Series: Enhanced Filter Silencers for Blowers, Compressors, and Fans

2G Series: This compact multi-stage premium filter silencer is readily available for North American users. Primarily used on PD blowers, the filter silencer has a compact size that minimizes the overall blower package footprint. In addition to traditional silencing tubes, the premium silencing features include a singular high flow attenuation tube in the base. The heavy-duty quiet band technology in the weather hood helps reduce noise escaping the inlet of the blower, compressor, or fan.

QB Series: This heavy-duty filter silencer has integrated silencing tubes that reduces noise. It also boasts an enhanced weather hood with quiet band technology that reduces noise escaping the inlet of the blower, compressor, or fan. It is available in metric threaded or flanged configurations.

For further information on our compressor, fan, and blower intake filters and silencers, contact the Solberg team directly.

  • 2G Family
  • 2G Diagram
  • QB Diagram
2G Family
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Model Inlet Connection Size (in.) Outlet Connection Size (in.) Connection Type Flow (SCFM) Dim A (in.) Dim B (in.) Dim C (in.) Dim D (in.) Dim E (in.) Holding Capacity (gal) Media Micron Rating Replacement Element SelectorConnectionSizeImperial SelectorConnectionType SelectorMediaType
2G-274P-300 3 MPT 300 13.00 3.00 16.00 Paper 2.0 274P 3" to 6" Threaded Paper Add To Cart
2G-274P-400 4 MPT 520 14.00 4.00 16.00 Paper 2.0 274P 3" to 6" Threaded Paper Add To Cart
2G-274P-400F 4 ANSI FLG PATTERN 520 14.00 4.00 16.00 Paper 2.0 274P 3" to 6" Flanged Paper Add To Cart
2G-274P-500 5 MPT 800 14.00 4.00 16.00 Paper 2.0 274P 3" to 6" Threaded Paper Add To Cart
2G-274P-500F 5 ANSI FLG PATTERN 800 14.00 4.00 16.00 Paper 2.0 274P 3" to 6" Flanged Paper Add To Cart
2G-274P-600 6 MPT 1100 15.50 5.25 16.00 Paper 2.0 274P 3" to 6" Threaded Paper Add To Cart
2G-274P-600F 6 ANSI FLG PATTERN 1100 15.50 5.25 16.00 Paper 2.0 274P 3" to 6" Flanged Paper Add To Cart
2G-274QP-300 3 MPT 300 13 3 16 Paper 2.0 274QP 3" to 6" Threaded Paper Add To Cart
2G-274QP-400 4 MPT 520 14 4 16 Paper 2.0 274QP 3" to 6" Threaded Paper Add To Cart
2G-274QP-500 5 MPT 800 14 4 16 Paper 2.0 274QP 3" to 6" Threaded Paper Add To Cart
2G-274QP-600 6 MPT 1100 15.5 5.25 16 Paper 2.0 274QP 3" to 6" Threaded Paper Add To Cart
2G-274RP-400 4 MPT 520 14 4 16 Paper 2.0 274RP 3" to 6" Threaded Paper Add To Cart
2G-274RP-500 5 MPT 800 14 4 16 Paper 2.0 274RP 3" to 6" Threaded Paper Add To Cart
2G-274RP-600 6 MPT 1100 15.5 5.25 16 Paper 2.0 274RP 3" to 6" Threaded Paper Add To Cart
2G-275P-300 3 MPT 300 13.00 3.00 16.00 Polyester 5.0 275P 3" to 6" Threaded Polyester Add To Cart
2G-275P-400 4 MPT 520 14.00 4.00 16.00 Polyester 5.0 275P 3" to 6" Threaded Polyester Add To Cart
2G-275P-400F 4 ANSI FLG PATTERN 520 14.00 4.00 16.00 Polyester 5.0 275P 3" to 6" Flanged Polyester Add To Cart
2G-275P-500 5 MPT 800 14.00 4.00 16.00 Polyester 5.0 275P 3" to 6" Threaded Polyester Add To Cart
2G-275P-500F 5 ANSI FLG PATTERN 800 14.00 4.00 16.00 Polyester 5.0 275P 3" to 6" Flanged Polyester Add To Cart
2G-275P-600 6 MPT 1100 15.50 5.25 16.00 Polyester 5.0 275P 3" to 6" Threaded Polyester Add To Cart
2G-275P-600F 6 ANSI FLG PATTERN 1100 15.50 5.25 16.00 Polyester 5.0 275P 3" to 6" Flanged Polyester Add To Cart
2G-376P-600 6 MPT 1100 22.00 5.00 22.50 Paper 2.0 376P 3" to 6" Threaded Paper Add To Cart
2G-376P-600F 6 ANSI FLG PATTERN 1100 22.00 5.00 22.50 Paper 2.0 376P 3" to 6" Flanged Paper Add To Cart
2G-376P-800F 8 ANSI FLG PATTERN 1600 23.00 6.00 22.50 Paper 2.0 376P 8" and Larger Flanged Paper Add To Cart
2G-377P-600 6 MPT 1100 22.00 5.00 22.50 Polyester 5.0 377P 3" to 6" Threaded Polyester Add To Cart
2G-377P-600F 6 ANSI FLG PATTERN 1100 22.00 5.00 22.50 Polyester 5.0 377P 3" to 6" Flanged Polyester Add To Cart
2G-377P-800F 8 ANSI FLG PATTERN 1600 23.00 6.00 22.50 Polyester 5.0 377P 8" and Larger Flanged Polyester Add To Cart
2G-384P(2)-1000F 10 ANSI FLG PATTERN 3300 38 6 28.5 Paper 2.0 384P(2) 8" and Larger Flanged Paper Add To Cart
2G-384P(2)-1200F 12 ANSI FLG PATTERN 4700 38 6 28.5 Paper 2.0 384P(2) 8" and Larger Flanged Paper Add To Cart
2G-384P-1000F 10 ANSI FLG PATTERN 3300 23.00 6.00 28.50 Paper 2.0 384P 8" and Larger Flanged Paper Add To Cart
2G-384P-1200F 12 ANSI FLG PATTERN 3300 23.00 6.00 28.50 Paper 2.0 384P 8" and Larger Flanged Paper Add To Cart
2G-384P-800F 8 ANSI FLG PATTERN 1800 23.00 6.00 28.50 Paper 2.0 384P 8" and Larger Flanged Paper Add To Cart
2G-385P-1000F 10 ANSI FLG PATTERN 3300 23.00 6.00 28.50 Polyester 5.0 385P 8" and Larger Flanged Polyester Add To Cart
2G-385P-1200F 12 ANSI FLG PATTERN 3300 23.00 6.00 28.50 Polyester 5.0 385P 8" and Larger Flanged Polyester Add To Cart
2G-385P-800F 8 ANSI FLG PATTERN 1800 23.00 6.00 28.50 Polyester 5.0 385P 8" and Larger Flanged Polyester Add To Cart
2G-484P(2)-1200F 12 ANSI FLG PATTERN 4700 53 6 28.5 Paper 2.0 484P(2) 8" and Larger Flanged Paper Add To Cart
2G-484P-1000F 10 ANSI FLG PATTERN 3300 31.00 6.00 28.50 Paper 2.0 484P 8" and Larger Flanged Paper Add To Cart
2G-484P-1200F 12 ANSI FLG PATTERN 4700 31.00 6.00 28.50 Paper 2.0 484P 8" and Larger Flanged Paper Add To Cart
2G-484P-800F 8 ANSI FLG PATTERN 1800 31.00 6.00 28.50 Paper 2.0 484P 8" and Larger Flanged Paper Add To Cart
2G-485P(2)-1200F 12 ANSI FLG PATTERN 4700 53 6 28.5 Polyester 5.0 485P(2) 8" and Larger Flanged Polyester Add To Cart
2G-485P-1000F 10 ANSI FLG PATTERN 3300 31.00 6.00 28.50 Polyester 5.0 485P 8" and Larger Flanged Polyester Add To Cart
2G-485P-1200F 12 ANSI FLG PATTERN 4700 31.00 6.00 28.50 Polyester 5.0 485P 8" and Larger Flanged Polyester Add To Cart
2G-485P-800F 8 ANSI FLG PATTERN 1800 31.00 6.00 28.50 Polyester 5.0 485P 8" and Larger Flanged Polyester Add To Cart
2G-685P-1200F 12 ANSI FLG PATTERN 4700 38.00 6.00 28.50 Polyester 5.0 685P 8" and Larger Flanged Polyester Add To Cart
QB-230P-200 2 MPT 135 12.25 2.25 10.00 Paper 2.0 230P Up to 2.5" Threaded Paper Add To Cart
QB-230P-250 2.5 MPT 195 12.50 2.50 10.00 Paper 2.0 230P Up to 2.5" Threaded Paper Add To Cart
QB-230P-300 3 MPT 300 13.00 3.00 10.00 Paper 2.0 230P 3" to 6" Threaded Paper Add To Cart
QB-231P-200 2 MPT 135 12.25 2.25 10.00 Polyester 5.0 231P Up to 2.5" Threaded Polyester Add To Cart
QB-231P-250 2.5 MPT 195 12.50 2.50 10.00 Polyester 5.0 231P Up to 2.5" Threaded Polyester Add To Cart
QB-231P-300 3 MPT 300 13.00 3.00 10.00 Polyester 5.0 231P 3" to 6" Threaded Polyester Add To Cart
2G-HE274P-500 5 MPT 385 14 4 16 HEPA 0.3 HE274P 3" to 6" Threaded Other
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Model Inlet Connection Size (in.) Outlet Connection Size (in.) Connection Type Flow (m3/hr) Dim A (mm) Dim B (mm) Dim C (mm) Dim D (mm) Dim E (mm) Holding Capacity (L) Media Micron Rating Replacement Element SelectorConnectionSizeMetric SelectorConnectionType SelectorMediaType
QB-230P-201 2 BSPT 230 311 57 254 Paper 2.0 230P Up to 2.5" Threaded Paper
QB-230P-251 2.5 BSPT 332 318 64 254 Paper 2.0 230P Up to 2.5" Threaded Paper
QB-230P-301 3 BSPT 510 330 76 254 Paper 2.0 230P 3" to 6" Threaded Paper
QB-231P-201 2 BSPT 230 311 57 254 Polyester 5.0 231P Up to 2.5" Threaded Polyester
QB-231P-251 2.5 BSPT 332 318 64 254 Polyester 5.0 231P Up to 2.5" Threaded Polyester
QB-231P-301 3 BSPT 510 330 76 254 Polyester 5.0 231P 3" to 6" Threaded Polyester
QB-234P-301 3 BSPT 510 330 76 406 Paper 2.0 234P 3" to 6" Threaded Paper
QB-234P-DN100 DN100 PN10 FLG Pattern 883 356 102 406 Paper 2.0 234P DN 80 and Larger Flanged Paper
QB-234P-DN80 DN80 PN10 FLG Pattern 510 330 76 152 Paper 2.0 234P DN 80 and Larger Flanged Paper
QB-235P-301 3 BSPT 510 330 76 406 Polyester 5.0 235P 3" to 6" Threaded Polyester
QB-235P-DN100 DN100 PN10 FLG Pattern 883 356 102 406 Polyester 5.0 235P DN 80 and Larger Flanged Polyester
QB-235P-DN80 DN80 PN10 FLG Pattern 510 330 76 152 Polyester 5.0 235P DN 80 and Larger Flanged Polyester
QB-244P-301 3 BSPT 510 330 76 406 Paper 2.0 244P 3" to 6" Threaded Paper
QB-244P-401 4 BSPT 883 356 102 406 Paper 2.0 244P 3" to 6" Threaded Paper
QB-244P-501 5 BSPT 1359 356 102 406 Paper 2.0 244P 3" to 6" Threaded Paper
QB-244P-DN100 DN100 PN10 FLG Pattern 883 356 102 406 Paper 2.0 244P DN 80 and Larger Flanged Paper
QB-244P-DN125 DN125 PN10 FLG Pattern 1359 356 102 406 Paper 2.0 244P DN 80 and Larger Flanged Paper
QB-244P-DN80 DN80 PN10 FLG Pattern 510 330 76 152 Paper 2.0 244P DN 80 and Larger Flanged Paper
QB-245P-301 3 BSPT 510 330 76 406 Polyester 5.0 245P 3" to 6" Threaded Polyester
QB-245P-401 4 BSPT 883 356 102 406 Polyester 5.0 245P 3" to 6" Threaded Polyester
QB-245P-501 5 BSPT 1359 356 102 406 Polyester 5.0 245P 3" to 6" Threaded Polyester
QB-245P-DN100 DN100 PN10 FLG Pattern 883 356 102 406 Polyester 5.0 245P DN 80 and Larger Flanged Polyester
QB-245P-DN125 DN125 PN10 FLG Pattern 1359 356 102 406 Polyester 5.0 245P DN 80 and Larger Flanged Polyester
QB-245P-DN80 DN80 PN10 FLG Pattern 510 330 76 152 Polyester 5.0 245P DN 80 and Larger Flanged Polyester
QB-274P-301 3 BSPT 510 330 76 406 Paper 2.0 274P 3" to 6" Threaded Paper
QB-274P-401 4 BSPT 883 356 102 406 Paper 2.0 274P 3" to 6" Threaded Paper
QB-274P-501 5 BSPT 1359 356 102 406 Paper 2.0 274P 3" to 6" Threaded Paper
QB-274P-601 6 BSPT 1868 381 127 406 Paper 2.0 274P 3" to 6" Threaded Paper
QB-274P-DN100 DN100 PN10 FLG Pattern 883 356 102 406 Paper 2.0 274P DN 80 and Larger Flanged Paper
QB-274P-DN125 DN125 PN10 FLG Pattern 1359 356 102 406 Paper 2.0 274P DN 80 and Larger Flanged Paper
QB-274P-DN150 DN150 PN10 FLG Pattern 1868 381 127 406 Paper 2.0 274P DN 80 and Larger Flanged Paper
QB-274P-DN80 DN80 PN10 FLG Pattern 510 330 76 152 Paper 2.0 274P DN 80 and Larger Flanged Paper
QB-275P-301 3 BSPT 510 330 76 406 Polyester 5.0 275P 3" to 6" Threaded Polyester
QB-275P-401 4 BSPT 883 356 102 406 Polyester 5.0 275P 3" to 6" Threaded Polyester
QB-275P-501 5 BSPT 1359 356 102 406 Polyester 5.0 275P 3" to 6" Threaded Polyester
QB-275P-601 6 BSPT 1868 381 127 406 Polyester 5.0 275P 3" to 6" Threaded Polyester
QB-275P-DN100 DN100 PN10 FLG Pattern 883 356 102 406 Polyester 5.0 275P DN 80 and Larger Flanged Polyester
QB-275P-DN125 DN125 PN10 FLG Pattern 1359 356 102 406 Polyester 5.0 275P DN 80 and Larger Flanged Polyester
QB-275P-DN150 DN150 PN10 FLG Pattern 1868 381 127 406 Polyester 5.0 275P DN 80 and Larger Flanged Polyester
QB-275P-DN80 DN80 PN10 FLG Pattern 510 330 76 152 Polyester 5.0 275P DN 80 and Larger Flanged Polyester
QB-376P-DN150 DN150 PN10 FLG Pattern 1868 559 127 572 Paper 2.0 376P DN 80 and Larger Flanged Paper
QB-376P-DN200 DN200 PN10 FLG Pattern 3057 559 127 572 Paper 2.0 376P DN 80 and Larger Flanged Paper
QB-377P-DN150 DN150 PN10 FLG Pattern 1868 559 127 572 Polyester 5.0 377P DN 80 and Larger Flanged Polyester
QB-377P-DN200 DN200 PN10 FLG Pattern 3057 559 127 572 Polyester 5.0 377P DN 80 and Larger Flanged Polyester
QB-384P(2)-DN250 DN250 PN10 FLG Pattern 5603 965 152 724 Paper 2.0 384P(2) DN 80 and Larger Flanged Paper
QB-384P(2)-DN300 DN300 PN10 FLG Pattern 7980 965 152 724 Paper 2.0 384P(2) DN 80 and Larger Flanged Paper
QB-384P-DN200 DN200 PN10 FLG Pattern 3057 584 152 572 Paper 2.0 384P DN 80 and Larger Flanged Paper
QB-384P-DN250 DN250 PN10 FLG Pattern 5603 584 152 724 Paper 2.0 384P DN 80 and Larger Flanged Paper
QB-384P-DN300 DN300 PN10 FLG Pattern 5603 584 152 724 Paper 2.0 384P DN 80 and Larger Flanged Paper
QB-385P-DN200 DN200 PN10 FLG Pattern 3057 584 152 572 Polyester 5.0 385P DN 80 and Larger Flanged Polyester
QB-385P-DN250 DN250 PN10 FLG Pattern 5603 584 152 724 Polyester 5.0 385P DN 80 and Larger Flanged Polyester
QB-385P-DN300 DN300 PN10 FLG Pattern 5603 584 152 724 Polyester 5.0 385P DN 80 and Larger Flanged Polyester
QB-484P(2)-DN300 DN300 PN10 FLG Pattern 7980 1346 152 724 Paper 2.0 484P(2) DN 80 and Larger Flanged Paper
QB-484P-DN200 DN200 PN10 FLG Pattern 3057 787 152 724 Paper 2.0 484P DN 80 and Larger Flanged Paper
QB-484P-DN250 DN250 PN10 FLG Pattern 5603 787 152 724 Paper 2.0 484P DN 80 and Larger Flanged Paper
QB-484P-DN300 DN300 PN10 FLG Pattern 7980 787 152 724 Paper 2.0 484P DN 80 and Larger Flanged Paper
QB-485P(2)-DN300 DN300 PN10 FLG Pattern 7980 1346 152 724 Polyester 5.0 485P(2) DN 80 and Larger Flanged Polyester
QB-485P-DN200 DN200 PN10 FLG Pattern 3057 787 152 724 Polyester 5.0 485P DN 80 and Larger Flanged Polyester
QB-485P-DN250 DN250 PN10 FLG Pattern 5603 787 152 724 Polyester 5.0 485P DN 80 and Larger Flanged Polyester
QB-485P-DN300 DN300 PN10 FLG Pattern 7980 787 152 724 Polyester 5.0 485P DN 80 and Larger Flanged Polyester
QB-685P-DN250 DN250 PN10 FLG Pattern 5603 965 152 724 Polyester 5.0 685P DN 80 and Larger Flanged Polyester
QB-685P-DN300 DN300 PN10 FLG Pattern 7980 965 152 724 Polyester 5.0 685P DN 80 and Larger Flanged Polyester
  • Overview
  • Product Documents
  • Alternative Solutions

Features

  • Fully drawn carbon steel weatherhood (3” to 6” connections only)
  • Multiple silencing features to reduce and deaden sound
  • Tubular Silencing: tubes placed to maximize attenuation
  • Quiet Band Support: “Quiet band” technology utilizes sound suppression in the design of the housing
  • Internal Silencer: center tubular silencer
  • 1/8” tap hole (standard on 2G series)
  • Temp (continuous): min -15°F (-26°C) max 220°F (104°C)
  • Filter change out differential: 15-20" H2O (37‐50 mbar) over initial Δ P
  • Polyester: 99%+ removal efficiency standard to 5 micron
  • Paper: 99%+ removal efficiency standard to 2 micron

Options

  • Pressure drop indicator
  • Various media
  • Stainless steel construction
  • Various finishes and connection styles
  • Side Access Filter Silencers (LQB Series) available for space restricted enclosures (select models)

Applications

  • Blowers-Centrifugal
  • Blowers-Regenerative
  • Blowers-Side Channel
  • Vacuum Lifters
  • Vacuum Pump-Regenerative
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