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Model 20 HT / GT
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Catalog excerpts

Model 20 HT / GT - 1

Chemineer™ Model 20 HT/GT Agitators Efficient and Versatile Performance

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Model 20 HT / GT - 2

Premium Performance The Model 20 HT/GT units feature a gearbox designed specifically for agitator service. Available in right angle (HT) and parallel shaft (GT) configurations, this rugged performer can be tailored to meet virtually any process, from critical chemical reactor systems to storage applications. Combining the benefits of the HT and GT time proven agitators into a modular design package, the Mixing Technologies Group of NOV provides solutions to optimize your mixing applications today and flexibility to handle your changing requirements in the future. The Model 20 HT/GT is...

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Model 20 HT / GT - 3

Drive Features and Benefits Features Double and triple reduction options • Double/triple reduction decreases gear loads • Lowers noise levels • Allows for non-synthetic lubrication over competitive single reduction designs • Most efficient gearing available • Reduces energy costs • Reduces wear rate for 20+ year service life Reverse rotation capability • Available option for process flexibility Cast gearbox housing • Modular design with right angle (HT) and parallel shaft (GT) configurations • Reduces noise level Standard R&O oils and grease • No synthetic lubrication is required • Saves...

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Model 20 HT / GT - 4

Seal Features and Benefits Features Drop collar shaft support during seal change • Shaft drops easily by loosening coupling bolts, and engages by tightening the coupling bolts • Shaft only drops 0.5" eliminating steady bearing disengagement • Allows for wetted parts to remain in place for seal change out Optional throttle bushing and debris well design • Clean fluid flush eliminates process build up in seal area improving seal life • Eliminates particle shedding from entering tank Swing out or spacer spool seal change designs • No need to pull shaft up through gearbox or in-tank shaft...

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Model 20 HT / GT - 5

Sealing and Mounting Options Open Tank • Drive Mounted to Beams Using a heavy duty, cast housing capable of handling maximum loads, the agitator mounts readily to support beams or similar structures for common open tank applications. Auxiliary seals are an option. • Pedestal Mounted to Beams The rugged, cast iron pedestal of the agitator raises the gear drive 10 to 14 inches away from the support structure to prevent exposure of the drive to the fluid and to facilitate service. Closed Tank—Seal Options • Lip Seal The spring loaded, nitrile rubber lip seal protects process fluid from...

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Model 20 HT / GT - 6

Shaft Design Both process and mechanical considerations determine shaft design. Shafts are sized to resist torsional loads and bending moments induced by hydraulic forces acting on the impeller, as well as to avoid excessive vibration due to the coincidence of critical frequencies and operating speed. Shafting is straightened to tight tolerances for long seal life and smooth operation — less than 0.003 inches total run out per foot of shaft length (0.25 mm per meter). Custom couplings, impellers, shafts and steady bearings are available upon request, including sanitary designs. Types...

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Model 20 HT / GT - 7

Impeller Technology Our impeller technology is effectively applied across any spectrum of applications ensuring successful, repeatable results from lab scale to full scale operations. Our mixing expertise includes high flow, low shear liquid-liquid agitation, solids suspension, gas dispersion, high shear blending and viscous mixing. Whether it is R&D or production phase, we have the expertise to solve your mixing challenges.

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Model 20 HT / GT - 8

Dimensions Agitator Dimensions Bolt Pattern Case Size 8" — 150# ANSI (holes straddle center line) 10" — 150# ANSI (holes on center line) 12" — 150# ANSI (holes straddle center line) 14" — 150# ANSI (holes straddle center line) 8" — 150# ANSI (holes straddle center line) 10" — 150# ANSI (holes on center line) 12" — 150# ANSI (holes straddle center line) 14" — 150# ANSI (holes straddle center line) 1 Agitator output speed, shaft diameter and extension, impeller design and other optional features to suit application 2 Alternate flange sizes are available HT F: FLANGE MOUNTING BOLT PATTERN E...

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Model 20 HT / GT - 9

Swivel Dimensions Case Size Motor Dimensions Frame Size Typical Drive Assembly Swivel Dimensions Drive assembly pivots at top of pedestal to allow change out of mechanical seals. See IOM for special motor conduit instructions. (4) “O” DIAMETER MOUNTING HOLES LOCATED AT DIMENSIONS P, R & S (4) HOLES FOR LIFTING EYE BOLTS Drive Assembly Dimensions Case Size

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Model 20 HT / GT - 10

Chemineer Advanced Design Initiative The Chemineer Advanced Design Initiative brings proven technical expertise to each mixing solution, from basic mixer and impeller design through complex process application analysis. Continuing research in both mechanical and process aspects of mixing allows us to provide high quality and high value products and services. Combined with proprietary data evaluation methodology and extensive field experience, we provide the most accurate application evaluation possible. Let us optimize your application, saving you time and money, by applying our experience...

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Model 20 HT / GT - 11

Aftermarket Parts and Services At NOV we offer customers immediate assistance to help achieve operating performance goals for agitation and mixing processes. This is accomplished in two ways: ensuring replacement parts and services are available in a timely manner to increase the “uptime” of your systems, and ensuring customers are offered the latest technology to improve the performance of agitation and mixing systems. The Right Part Every Time We provide drop in replacement parts of standard and custom Chemineer agitator components, minimizing installation problems like improper fit up or...

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Model 20 HT / GT - 12

Sales Facilities US Ohio +1 937 454 3200 chemineer@nov.com US North Andover +1 978 687 0101 navinfo@nov.com United Kingdom +44 1332 363 175 chemineeruk@nov.com Manufacturing Facilities US +1 937 454 3200 chemineer@nov.com United Kingdom +44 1332 363 175 chemineeruk@nov.com China +86 21 6124 0001 chemineercn@nov.com National Oilwell Varco has produced this brochure for general information only, and it is not intended for design purposes. Although every effort has been made to maintain the accuracy and reliability of its contents, National Oilwell Varco in no way assumes responsibility for...

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All NOV Inc. catalogs and technical brochures

  1. CD-6

    2 Pages

  2. BT-6

    2 Pages

  3. HE-3

    2 Pages

  4. 20 HT/GT

    12 Pages

  5. Merlin range

    1 Pages

  6. KM Mixers

    2 Pages

  7. KMX-V Mixers

    1 Pages

  8. ChemSeal

    2 Pages

  9. MR Mixers

    12 Pages

  10. Maxflo WSE

    1 Pages

  11. RL-3

    2 Pages

  12. XE-3

    1 Pages

  13. HS Agitators

    10 Pages

  14. HT & HTM

    4 Pages

  15. WVM Mixers

    2 Pages

  16. SC-3

    2 Pages

  17. IBC Mixers

    4 Pages

Archived catalogs

  1. HT

    4 Pages