Editorial Emphasis: Valves

New Spring-loaded Check Valve Reduces Valve Failure Risk

About The Author: 

For further information, phone Hayward Industrial Products at 908-351-5400.

Activation Date: 
October 22, 2001
Legacy
Legacy ID: 
12714

Coatings Repair 20-year-old Pump, Save Replacement Costs

When one of four circulating water pumps at the Potomac Electric Power Company (PEPCO) Chalk Point Generating Station began to leak, engineers began to worry.

Activation Date: 
July 25, 2001
Files: 
Legacy
Legacy ID: 
12462

Using Variable Frequency Drives for Sewage Lift Stations

High in the Pocono Mountains of Eastern Pennsylvania, the small town of Tobyhanna was in need of a high head, small flow sewage lift pump.

Activation Date: 
July 25, 2001
Files: 
Legacy
Legacy ID: 
12461

New Pumping System Helps Conserve Water, Energy for Utah Conservation District

The Ogden, Utah, area sought more cost effective and energy efficient ways to optimize and conserve its natural resources.

Activation Date: 
July 25, 2001
Legacy
Legacy ID: 
12460

Pumping Up Big John

The John Hancock building, located on Chicago’s Magnificent Mile, needed to revamp its entire pumping and reservoir system without shutting off water to the building’s residents.

Activation Date: 
May 9, 2001
Files: 
Issue Reference: 
Legacy
Legacy ID: 
12345

Updated Sewage System Gives Tourists a Lift

Sewage overflow caused by the influx of visitors during tourist season prompted one community to improve its collection and treatment system.

Deck: 

Collection systems

About The Author: 

Cecil Coombs, P.E., is a project manager for Howard R. Green Company’s Sioux Falls, S.D., office. His project experience includes ground storage reservoirs, water distribution systems, water treatment, water pumping facilities, sewage collection systems, sewage pumping stations and wastewater treatment facility design.

Publication Date: 
December 28, 2000
Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11856

Alberta Plant Protects Pumps With Grinder

A Muffin Monster® grinder located in front of the two peristaltic pumps helped prevent the rupture of the rubberized hose inside the pumps at the Banff, Alberta, Waste Water Treatment Plant.

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11783

Company Rehabs Trunk Sewer While Rerouting 12 mgd of Sewage Flow

Using a temporary sewage bypass pumping system and its nondisruptive pipe rehabilitation methods, Insituform Technologies, Inc., has rehabilitated a half-mile-long section of trunk sewer buried beneath a Tucson roadway.

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11780

Stainless Steel Pump Production

Since the early ’80s, when stainless steel pumps were introduced to the pump market, stainless steel products have faced slow acceptance to date. Comparing the structure of the manufacturing process to that of the traditional cast iron or bronze pumps and parts, the quality, construction, and durability of stainless steel manufacturing faced controversy.

Deck: 

New forming technology produces high-quality and environmentally friendly pumps

About The Author: 

Bill Petersen is the stainless steel product manager for EBARA Intl. Corporation’s Standard Pump Division. For further information, phone 803.327.5005 or visit www.pumpsebara.com

Publication Date: 
December 28, 2000
Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11662

The Secret Is Out: The Advancement of Submersible Pumps

Most of us have viewed with fascination the rapid development and evolution of computer technology in recent years, while perhaps overlooking some important technological advancements in the less glamorous, but nonetheless vital, process machinery sectors. Solid advances in basic machinery such as submersible pumps have demonstrated a measurable potential to enhance basic process tasks, increase equipment dependability and provide a long-term reduction in everyday operating costs.

Deck: 

New Technology

About The Author: 

Perry Stephens, Jr., P.E., is the product manager for USFilter / EMU Products Group, Thomasville, Georgia.

Activation Date: 
December 28, 2000
Files: 
Legacy
Legacy ID: 
11585