March 2012 | AIChE

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March 2012

Rotary Air-Powered Explosionproof Fans

Suitable for use in explosive and caustic environments, these rotary air-powered explosionproof fans eliminate expensive magnetic starters and heavy hardwall conduit lines. Approximately 70% lighter than comparable belt-driven fans, these easy-to-install units feature flanged housings, permitting quick fastening to flexible duct or other accessories. Adjustable turbo-vane air motors operate in any mounting position and cannot be overloaded. These streamlined motors limit fan housings to a depth of 12–15 in.

Radial-Tip Belt-Drive industrial fans

Safe and customizable, the Radial-Tip Belt-Drive industrial fans are used for make-up air and general ventilation duty. They can also serve as components in dust collection and cyclone receiver systems. Available with pedestal or unitary bases, the fans can generate flowrates from 1,000 ft3/min to 100,000 ft3/min. The wheels are statically and dynamically balanced for smooth running and the V-belt drive allows fine-tuning of fan speed and flowrate by changing pulleys and belts.

JET series inline polypropylene fans

Designed to operate in highly corrosive air applications, the JET series inline polypropylene fans operate in conditions up to 190°F and at speeds up to 1,725 rev/min for the JET 30 model, or 3,450 rev/min for the JET 20 and 25 models. The fans create a high plume of air to ensure maximum dilution of gases and to prevent fumes from returning into the facility. The housing for both the fan and motor is made from high-density UV-treated polypropylene.

ROOTS EasyAir8000 Factory Blower Package System

The simple-to-install ROOTS EasyAir8000 Factory Blower Package System is designed for vacuum or pressure applications. The blower package includes a noise-abatement enclosure that offers up to 22-dBA free field noise attenuation, and a pre-assembled, skid-mounted blower unit. The enclosure is powder-coated for protection from harsh environments and features lightweight, removable panels for simplified maintenance. The system has front-mounted differential filter and discharge pressure gauges for easy viewing and integrated forklift slots for convenient, balanced transportation.

Cyclonaire Blower Packages

Cyclonaire Blower Packages are designed to meet customers’ elevation, temperature, noise-reduction, and application needs. Each blower is mounted on a rigid-channel iron frame, and can be configured as a standard belt drive, jack shaft drive, or direct drive. Intermediate-pressure (15 psig) models are designed for semi-dense phase vacuum loading/pressure conveying and PD railcar/truck unloading. Low-pressure (8 psig) models handle dilute-phase conveying, silo and hopper aeration, and air-shoot conveying applications.

Rotron regenerative blowers

A cost-effective alternative to multi-stage or positive air-displacement blowers, the low-noise Rotron regenerative blowers develop ideal air pressures and vacuums using few moving parts. They can reach flows up to 1,800 ft3/min, pressures upwards of 264 in. H2O (gauge), and vacuums approaching 13.4 in. Hg. The blowers can be used in a variety of applications, including: agitating solutions; conveying parts and product; performing vacuum hold-down and pick-up operations; and drying and cleaning parts. Custom-ization and optional accessories are available.

Hogen GC and Hogen S series onsite hydrogen generators

The compact Hogen GC and mid-size Hogen S series onsite hydrogen generators are highlighted in this brochure, which describes the units’ construction and summarizes their features, capabilities and benefits. Technical specifications are provided in table format.

Motorized Control Valves

This catalog highlights the 830 and 835 Series two-way motorized control valves. These on/off and modulating valves feature integrated linear actuators, are self-calibrating, and are available in bronze or stainless steel. The literature includes valve selection tables, a coil options chart, and detailed product drawings.

N-838.18 laboratory vacuum pump

A patented structured diaphragm, which was stress-optimized using finite element analysis, afflords the N-838.18 laboratory vacuum pump high pneumatic performance — despite its small size —as well as long service life. Depending on the model, it can achieve an ultimate vacuum as low as 12 mbar absolute and can pump up to 37 L/min. Components that come in contact with the pumped fluid can be made of several different materials, and a version with a PTFE-coated diaphragm is available for transferring aggressive gases.

Greerco homogenizer

The Greerco homogenizer — which can be used to replace or supplement common agitators in lab through full-scale tank operations where solids incorporation, de-agglomeration and dispersion are critical — is the subject of this 4-page brochure. Detailed information, including product features and benefits, processing and reliability advantages, and typical applications, as well as full-color illustrations and graphics, are provided.

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