Bulletin Boards

These paid advertisements showcase new technical bulletins, literature and products for the municipal water/wastewater industry.

Mar 1st, 2008
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These paid advertisements showcase new technical bulletins, literature and products for the municipal water/wastewater industry. The next WaterWorld Bulletin Board will be in the April issue. For advertising information, call Milt Alexander at 248-356-5440.

Plastic Diaphragm Valves

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Newly expanded line of Plastic Diaphragm Valves are engineered to provide superior handling of difficult media such as corrosive fluids, abrasives and slurries. They also feature a multi-turn design for precise control, can be used for on/off, throttling, high purity, and sanitary service, and are self-draining on one side so that little to no dead volume remains in the valve. A choice of PVC, CPVC, PVDF or PPL valve bodies and EPDM, FPM or PTFE diaphragms is available in manual or actuated models in ½” – 10” ANSI flanged, ½” – 2” ASTM True Union, and ½” – 1” threaded body sizes.

Hayward Flow ControlWeb: www.haywardflowcontrol.com
E-mail: hflow@haywardnet.com

Circle No. 93 on Reader Service Card

PennWell Books: TMDL

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PennWell Books announces the publication of Total Maximum Daily Load: Approaches & Challenges. Edited by Tamim Younos, TMDL presents concepts, approaches, case studies, and applications of the cutting- edge technologies used to develop and implement an effective and innovative TMDL program. Case studies discussed in this book mostly focus on bacteria, sediments, and nutrients.

PennWell Books
P.O. Box 21288
Tulsa, OK 74121-9971
Tel: 800-752-9764 or 1-918-831-9421
Web: www.pennwellbooks.com

Circle No. 94 on Reader Service Card

Water Flow Calculator

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For plant, process, environmental and utility engineers, this instrument rapidly and accurately helps solve most water-flow calculations over an extremely wide range of parameters.

FOR TUBES, PIPES & TUNNELS

  • 0.5-in. to 240-in. dia.
  • 1.5 to 1,000,000 gpm flow range.

FOR OPEN CHANNELS

  • 0.7 to 2,000 sq.ft. channel area.
  • 50 to 5,000,000 gpm flow range.

Superb quality instrument of solid perspex acrylic precision, engraved in three colors. Model M.7 - Price $129.95

HUNTER PRODUCTS, INC.
PO Box 6795
Bridgewater, NJ 08807-99801
Tel: 908-526-8440
Fax: 908-526-8348
Web: www.hunterproducts.com
E-mail: sales@hunterproducts.com

Circle No. 95 on Reader Service Card

Battery-Operated Actuators

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OPEN and CLOSE cylinder valves from the Control Room. ROBO-CONTROL® manufactures battery-operated actuators to remotely open and close hazardous gas cylinder valves such as Chlorine and Sulfur Dioxide. The actuator mounts to the valve without interfering with existing hardware or dispensers. The actuator can communicate with a PLC for SCADA or In-Plant control. Integral leak detection is an option in some actuators. Each actuator has integral display to show actual valve position.

Robo-Control, Inc.
200 E. Roundbunch
Bridge City, TX 77611
Tel: 409-697-2666
Fax: 409-697-2668
Web: www.robo-control.com
E-mail: robocontrol@aol.com

Circle No. 96 on Reader Service Card

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