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| | .jpg) | Our Centurion series of Cast Iron Blowers and Exhausters are built to the highest industry standards, and are 100% Made in the U.S.A. Many models are direct replacements for Lamson units, including 100% parts interchangability.
Select models in this line are now available with cast aluminum and a NEW option- cast Stainless Steel Casings! | |
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| | .jpg) | Millennium Series
For lower flow applications, our Millennium series fabricated units offer flexible construction and material options tailored to meet your specific requirements
Aluminum or stainless steel casings Cast Aluminum or fabricated stainless steel impellers Carbon steel or stainless steel shafts Packing gland seal on drive end standard Gas tight bearings Flexible inlet and outlet positions. | |
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| | .jpg) | For those special air or gas applications where severe conditions exist... corrosive, toxic or high temperature, National Turbine offers solutions. Our premier cast product is available in a myriad of materials to offer trouble-free operation 24 hrs/day, 7 days/week, 365 days/year. Manufacured 100% in the United States of America, our standard multistage centrifugal can be offered with the following features:
Housings: Cast iron Cast aluminum Cast stainless steel.
Impellers: Cast Aluminum Fabricated stainless steel.
Built to industry standards, tested for performance, verification, each centrifugal has been designed to provide satisfactory performance decade after decade. | |
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| | .jpg) | M165 Multi Stage Centrifugal Blowers and exhausters
Designed to meet the lower flows required by many smaller systems, the MC165 series unique construction features and wide variety of options make it a perfect choice for numerous applications.
Cast 319 aluminum inlet and outlet heads Precision machined cast aluminum impellers Heavy duty steel casing (Optional stainless steel or aluminum) Direct or belt driven (Depending upon performance) Heavy duty steel base Flows to 800 CFM Pressures to 6.5 PSIG - Vacuums to 10.5" Mercury | |
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| | .jpg) | ROTARY POSITIVE DISPLACEMET BLOWERS AND EXHAUSTERS
National Turbine can provide a wide variety of PD blower and exhauster packages to meet your system requirement.
Our standart pakaches include a heavy duty steel base with high efficiency discharge silencer, belt drive, motor slide base, OSHA compliant belt guard, motor and cast iron rotary positive displacemtn unit. | |
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| | .jpg) | NT225 Multi Stage Centrifugal Blowers & Exhausters
Technical Specifications: Number of Stages: 1 through 5 Inlet Connection: 2 7/8 Pipe, (optional) 2 1/2 NPT or 3 (76.2 mm) Flange, ASA 125# Drilling Outlet Connection: 2 7/8 Pipe, (optional) 2 1/2 NPT or 3 (76.2 mm) Flange, ASA 125# Drilling Operating Speed: 3550, 7050 or 8180 RPM Maximum Casing Pressure: 15 PSIG (1.05 kg/cm2) Seals (air): Labyrinth Bearings: Ball, 10-Year Minimum Life Per AFBMA B-10 Standard (Made in U.S.A.) Lubrication: Grease Impeller Diameter: 11" (279.4 mm) Impeller Tip Speed: 23557 FPM at 8180 RPM Drive Type: Belt drive or direct coupled Max. Vibration Spec.: 0.48 in/sec (ISO overall spec.), 3.0 mils peak to peak Shaft End: 7/8" (22.3 mm) Diameter, Inlet Drive Standard Noise Level: Compliant With OSHA Standards (Certified test available) | |
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| | .jpg) | NT331 Multi Stage Direct Drive Centrifugal Blowers & Exhausters
Technical Specifications: Number of Stages: 1 through 11 Inlet Connection: 3 (76.2 mm) Flange, ASA 125# Drilling Outlet Connection: 3 (76.2 mm) Flange, ASA 125# Drilling Operating Speed: 3550 RPM Maximum Casing Pressure: 15 PSIG (1.05 kg/cm2) Seals (air): Labyrinth Seals (gas): Packing Gland Style Bearings: Ball, 10-Year Minimum Life Per AFBMA B-10 Standard (Made in U.S.A.) Lubrication: Grease Impeller Diameter: 14.5 (368.3 mm) Impeller Tip Speed: 13,476 FPM (4,107 m/min) Drive Type: Direct Coupled (belt drive available) Max. Vibration Spec.: 0.25 in/sec (ISO overall spec.), 1.25 mils peak to peak Shaft End: 1.125 (28.58 mm) Diameter, Inlet Drive Standard Noise Level: Compliant With OSHA Standards (Certified test available) | |
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| | .jpg) | NT331 Multi Stage Belt Drive Centrifugal Blowers & Exhausters
Technical Specifications: Number of Stages: 1 through 9 Inlet Connection: 3 (76.2 mm) Flange, ASA 125# Drilling Outlet Connection: 3 (76.2 mm) Flange, ASA 125# Drilling Operating Speed: 5075 RPM Standard Maximum Casing Pressure: 15 PSIG (1.05 kg/cm2) Seals (air): Labyrinth Seals (gas): Packing Gland Style Bearings: Ball, 10-Year Minimum Life Per AFBMA B-10 Standard (Made in U.S.A.) Lubrication: Grease Impeller Diameter: 14.5 (368.3 mm) Impeller Tip Speed: 19,265 FPM (5,872 m/min) @ 5075 RPM Drive Type: 3 V Belt Max. Vibration Spec.: 0.25 in/sec (ISO overall spec.), 1.25 mils peak to peak Shaft End: 1.125 (28.58 mm) Diameter, Inlet Drive Standard Noise Level: Compliant With OSHA Standards (Certified test available) | |
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| | .jpg) | NT541 Multi Stage Centrifugal Blower
Technical Specifications: Number of Stages: 1 through 10 Inlet Connection: 5 (127 mm) Flange, ASA 125# Drilling Outlet Connection: 5 (127 mm) Flange, ASA 125# Drilling Operating Speed: 3550 RPM Maximum Casing Pressure: 20 PSIG (1.41 kg/cm2) Seals (air): Labyrinth Seals (gas): Packing Gland (Special Seals Available) Bearings: Ball, 10-Year Minimum Life per AFBMA B-10 Standard (Made in U.S.A.) Lubrication: Grease (Standard) or Oil (Optional) Impeller Diameter: 22 (558.8 mm) Impeller Tip Speed: 20,447 FPM (6,232 m/min) First Critical Speed: 4505 RPM (10 stages) Direct Drive: Direct Coupled (belt drive available) Max. Vibration Spec.: 0.25 in/sec (ISO Overall Spec.), 1.25 Mils Peak to Peak Shaft End: 1.625 (41.28 mm) Diameter, Inlet Drive Standard Noise Level: Compliant With OSHA Standards (Certified test available) | |
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| | .jpg) | NT551 Multi Stage Centrifugal Blower
Technical Specifications: Number of Stages: 1 through 10 Inlet Connection: 5 (127 mm) Flange, ASA 125# Drilling Outlet Connection: 5 (127 mm) Flange, ASA 125# Drilling Operating Speed: 3550 RPM Maximum Casing Pressure: 20 PSIG (1.41 kg/cm2) Seals (air): Labyrinth Seals (gas): Packing Gland (Special Seals Available) Bearings: Ball, 10-Year Minimum Life per AFBMA B-10 Standard (Made in U.S.A.) Lubrication: Grease (Standard) or Oil (Optional) Impeller Diameter: 22 (558.8 mm) Impeller Tip Speed: 20,447 FPM (6,232 m/min) First Critical Speed: 4505 RPM (10 stages) Direct Drive: Direct Coupled (belt drive available) Max. Vibration Spec.: 0.25 in/sec (ISO Overall Spec.), 1.25 Mils Peak to Peak Shaft End: 1.625 (41.28 mm) Diameter, Inlet Drive Standard Noise Level: Compliant With OSHA Standards (Certified test available) | |
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| | .jpg) | NT552 Multi Stage Centrifugal Blower
Technical Specifications: Number of Stages: 1 through 10 Inlet Connection: 6 (127 mm) Flange, ASA 125# Drilling Outlet Connection: 5 (127 mm) Flange, ASA 125# Drilling Operating Speed: 3550 RPM Maximum Casing Pressure: 20 PSIG (1.41 kg/cm2) Seals (air): Labyrinth Seals (gas): Packing Gland (Special Seals Available) Bearings: Ball, 10-Year Minimum Life per AFBMA B-10 Standard (Made in U.S.A.) Lubrication: Grease (Standard) or Oil (Optional) Impeller Diameter: 22 (558.8 mm) Impeller Tip Speed: 20,447 FPM (6,232 m/min) First Critical Speed: 4505 RPM (10 stages) Direct Drive: Direct Coupled (belt drive available) Max. Vibration Spec.: 0.25 in/sec (ISO Overall Spec.), 1.25 Mils Peak to Peak Shaft End: 1.625 (41.28 mm) Diameter, Inlet Drive Standard Noise Level: Compliant With OSHA Standards (Certified test available) | |
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| | .jpg) | NT883 Multi Stage Centrifugal Blower & Exhausters
Technical Specifications: Number of Stages: 1 through 7 Inlet Connection: 8 (203.2 mm) Flange, ASA 125# Drilling Outlet Connection: 8 (203.2 mm) Flange, ASA 125# Drilling Operating Speed: 3550 RPM Maximum Casing Pressure: 20 PSIG (1.41 kg/cm2) Seals (air): Labyrinth Seals (gas): Packing Gland Style Bearings: Ball, 10-Year Minimum Life per AFBMA B-10 Standard (Made in U.S.A.) Lubrication: Grease (Standard) or Oil (Optional) Impeller Diameter: 24 (609.6 mm) Impeller Tip Speed: 22,305 FPM (6,799 m/min) Direct Drive: Direct Coupled Max. Vibration Spec.: 0.25 in/sec (ISO Overall Spec.), 1.25 Mils Peak to Peak Shaft End: 1.875 (47.63 mm) diameter, inlet drive standard Noise Level: Compliant With OSHA Standards (Certified test available) | |
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| | .jpg) | NT882 Multi Stage Centrifugal Blower
Technical Specifications: Number of Stages: 1 through 9 Inlet Connection: 8 (203.2 mm) flange, ASA 125# drilling Outlet Connection: 8 (203.2 mm) flange, ASA 125# drilling Operating Speed: 3550 RPM Maximum Casing Pressure: 20 PSIG (1.41 kg/cm2) Seals (air): Labyrinth Seals (gas): Packing Gland (special seals available) Bearings: Ball, 10-year minimum life per AFBMA B-10 standard Lubrication: Grease (standard) or Oil (optional) Impeller Diameter: 24 (609.6 mm) Impeller Tip Speed: 22,305 FPM (6,799 m/min) Drive Type: Direct coupled Max. Vibration Spec.: 0.25 in/sec (ISO overall spec.), 1.25 mils peak to peak Shaft End: 1.875 (47.63 mm) diameter, inlet drive standard Noise Level: Compliant with OSHA standards (certified test available) | |
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| | .jpg) | NT1221 Multi Stage Centrifugal Blower
Technical Data: Number of Stages: 1 through 7 Inlet Connection: 12 (304.8 mm) flange, ASA 125# drilling Outlet Connection: 12 (304.8 mm) flange, ASA 125# drilling Operating Speed: 3550 RPM Maximum Casting Pressure: 25 PSIG (1.76 kg/cm2) Seals (air): Labyrinth Seals Seals (gas): Stuffing Box type (special seals available) Bearings: Ball, 10-year minimum life per AFBMA B-10 standard Lubrication: Grease (standard), oil (optional) Impeller Diameter: 25 (635.0 mm) Impeller Tip Speed: 23,235 FPM (7,082 m/min) Drive Type: Direct coupled Max. Vibration Spec.: 0.25 in/sec (ISO overall spec.), 1.25 mils peak to peak Shaft End: 1.875 (47.63 mm) diameter, inlet drive standard Noise Level: Compliant with OSHA standards (certified test available) | |
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| | .jpg) | NT1222 Multi Stage Centrifugal Blower
Technical Data: Number of Stages: 1 through 7 Inlet Connection: 12 (304.8 mm) flange, ASA 125# drilling Outlet Connection: 12 (304.8 mm) flange, ASA 125# drilling Operating Speed: 3550 RPM Maximum Casting Pressure: 25 PSIG (1.76 kg/cm2) Seals (air): Labyrinth Seals Seals (gas): Stuffing Box type (special seals available) Bearings: Ball, 10-year minimum life per AFBMA B-10 standard Lubrication: Grease (standard), oil (optional) Impeller Diameter: 25 (635.0 mm) Impeller Tip Speed: 23,235 FPM (7,082 m/min) Drive Type: Direct coupled Max. Vibration Spec.: 0.25 in/sec (ISO overall spec.), 1.25 mils peak to peak Shaft End: 1.875 (47.63 mm) diameter, inlet drive standard Noise Level: Compliant with OSHA standards (certified test available) | |
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| | .jpg) | NT1223 Multi Stage Centrifugal Blower
Technical Data: Number of Stages: 1 through 8 Inlet Connection: 12 (304.8 mm) Flange, ASA 125# Drilling Outlet Connection: 12 (304.8 mm) Flange, ASA 125# Drilling Operating Speed: 3550 RPM Maximum Casting Pressure: 20 PSIG (1.41 kg/cm2) Seals (gas): Packing Gland Style Seals (air): Non Contact Labyrinth Bearings: Ball, 10-year minimum life per AFBMA B-10 standard (U.S.A. Made) Lubrication: Grease (standard) or Oil (optional) Impeller Diameter: 26 (609.6 mm) Impeller Tip Speed: 24,500 FPM (7468 m/min) Drive Type: Direct Coupled Max. Vibration Spec.: 0.25 in/sec (ISO overall spec.), 1.25 mils peak to peak Shaft End: 2.25 (57.15 mm) diameter, inlet drive standard Noise Level: Compliant with OSHA standards (certified test available). | |
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| | .jpg) | NT1226 Multi Stage Centrifugal Blower
Technical Data: Number of Stages: 1 through 8 Inlet Connection: 12 (304.8 mm) Flange, ASA 125# Drilling Outlet Connection: 12 (304.8 mm) Flange, ASA 125# Drilling Operating Speed: 3550 RPM Maximum Casting Pressure: 20 PSIG (1.41 kg/cm2) Seals (gas): Packing Gland Style Seals (air): Non Contact Labyrinth Bearings: Ball, 10-year minimum life per AFBMA B-10 standard (U.S.A. Made) Lubrication: Grease (standard) or Oil (optional) Impeller Diameter: 25 (609.6 mm) Impeller Tip Speed: 23,234 FPM (7082 m/min) Drive Type: Direct Coupled Max. Vibration Spec.: 0.25 in/sec (ISO overall spec.), 1.25 mils peak to peak Shaft End: 2.25 (57.15 mm) diameter, inlet drive standard Noise Level: Compliant with OSHA standards (certified test available). | |