Check valves

Tideflex(R)check valves are available in new, smaller sizes of less than one inch in the Microcheckseries. Sizes range from 25 mm to 2.5 mm, and the product comes in a variety of styles and configurations to fit different applications. The valves are also said to include the same features as their larger counterparts, including all-rubber construction, passive operation, and absolute backflow prevention.

Red Valve , 700 N Bell Ave., Carnegie, PA 15106; www.redvalve.com.

For Information, enter 651

Inert proportional valve

Designed for use with corrosive or high-purity fluids, the inert proportional valve is a solenoid-operated diaphragm isolation valve said to provide infinitely variable flow control. Flow is proportional to the magnitude of the current input into the 24V dc valve driver. According to the company, the poppet and seat are configured to provide bubble tight leakage characteristics.

South Bend Controls , 1237 Northside Blvd., South Bend, IN 46615; FAX (219) 234-3948; www.sbcontrols.com.

For Information, enter 652

Peristaltic pumps

MityFlex(R)peristaltic pumps feature variable speed controls with flow rates ranging from 0.04 to 3,800 m(LITER)/min. Ac voltages range from 24 to 240V in 60 or 50 Hz, and in 12 and 24V dc. The pumps are designed to be sealless and self-priming, with consistent positive displacement. They are reportedly capable of carrying a variety of viscosities from gasses to heavy slurries.

Anko Products Inc. , 3007 29 ^th Ave. E, Bradenton, FL 34208; FAX (941) 748-2307; www.ankoproducts.com.

For Information, enter 653

Pump

Intended for transfer of flammable or volatile liquids without static electricity build up, the E5 Acetal pump features the Elima-Matic(R)shoe valve for non-stalling, anti-icing, and lubrication-free service. The inlet and discharge swivel 360 degrees , reportedly increasing flexibility. Additionally, the inlet and discharge are threaded internally and externally for more leak-free installation options.

Versa-Matic Pump , 6017 Enterprise Dr., Export, PA 15632; FAX (724) 327-4300; www.versamatic.com.

For Information, enter 654

Pickup filters

This company's line of pickup filters is said to be lightweight, compact, and adaptable to 3/16 or 1/4 inch inside diameter tubing. The product is designed to be mounted on the end of tubing to protect internal mechanisms by cleaning fluid as it is drawn in.

Industrial Specialties Mfg. , 2741 W. Oxford Unit 6, Englewood, CO 80110; FAX (303) 761-7939; www.industrialspec.com.

For Information, enter 655

Heat exchangers

BCF(R)heat exchangers from this company are said to provide basic, pre-engineered, fixed tubesheet designs for industrial applications with stringent heat transfer requirements. All models feature non-ferrous construction with non-asbestos, compressed-fiber gasketing.

ITT Standard , Box 1102 175 Standard Pkwy., Buffalo, NY 14240; FAX (716) 897-1777; www.ittstandard.com.

For Information, enter 656