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Model 20 HT/GT Agitators

Model 20 HT/GT Agitators
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Model 20 HT/GT Agitators

Product catalog summary
Overview
The Chemineer Model 20 HT/GT Agitators are engineered for versatile and efficient performance across various industrial applications. They feature specialized gearboxes in right angle (HT) and parallel shaft (GT) configurations, suitable for processes from chemical reactors to storage.
Specifications
These agitators are equipped with oversized output shafts to minimize gear deflection and noise, enhancing mechanical integrity. They comply with standards such as AGMA, OSHA, ANSI, IEC, DIN, EU, and ATEX.
Design and Performance
The Model 20 HT/GT integrates proven agitator designs into a modular package, offering double and triple reduction gearing options, with helical/spiral bevel (HT) and all helical (GT) configurations for efficient energy use and reduced noise. The cast gearbox housing and bath lubrication ensure durability and low maintenance.
Drive Features
Key features include a drop collar shaft support for easy seal changes, optional throttle bushing, and a debris well design to enhance seal life. Various seal options from major vendors provide flexibility and performance for different sealing needs.
Shaft and Impeller Design
Shafts are designed to withstand torsional loads and bending moments, with options for custom couplings and steady bearings. Impeller technology supports a wide range of applications, ensuring effective mixing from lab to full-scale operations.
Advanced Design Initiative
The Chemineer Advanced Design Initiative offers technical expertise and state-of-the-art tools like CFD, DPIV, and FEA for optimized mixing solutions, ensuring high-quality, reliable products tailored to specific process needs.
Support and Services
NOV provides timely replacement parts and services to maximize system uptime, offering the latest technology to enhance agitation and mixing performance.
Technical Support
Technical support is available via phone for installation, startup, maintenance, or replacement parts. Field service technicians offer on-site support, including installation, troubleshooting, reliability audits, and operator training.
Installation Services
Expert assistance is available for installing single or multiple agitators, with field service technicians supervising or completing the installation process efficiently.
Authorized Service Centers
Service centers provide repair, diagnostic, and maintenance work, offering quick responsiveness backed by the manufacturing facility. On-site repairs, maintenance, reliability audits, and service agreements for routine maintenance are available.
Parts and Inventory
A large inventory supports quick fulfillment of maintenance and repair needs, with emergency parts shipped within 24 hours. The drive exchange program offers rapid replacement for Chemineer and competitive drives.
Warranty
The Model 20 HT/GT agitator comes with a comprehensive product warranty.
Contact Information
Emergency hotline and contact details for corporate headquarters, manufacturing, and sales facilities in various countries are provided.
Disclaimer
The brochure is for general information and not intended for design purposes. National Oilwell Varco disclaims liability for any loss, damage, or injury resulting from the use of the information.
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Catalog excerpts

Model 20 HT/GT Agitators-1

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

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Model 20 HT/GT Agitators-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 designed...

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Model 20 HT/GT Agitators-4

Seal Features and Benefits Features Benefits

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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 contamination...

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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 Shafting...

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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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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 MAX....

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Model 20 HT/GT Agitators-10

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 and state of the art tools, such as: •...

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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 alignment. Chemineer replacement...

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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 liability for any loss, damage or injury resulting from the use of information and data herein. All applications for the material described are at the user’s risk and are the user’s responsibility. © 2015 National Oilwell Varco | AH Rights Reserved Bulletin 705 Rev 02 Corporate Headquarters 7909 Parkwood Circle Drive Houston,...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.