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Free-Float Operated Valves drain liquid and vent air.

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April 3, 2007 - While Drainer NLD Series removes liquids from pressurized air or gas systems, Venter NAV Series removes air and other gases from pressurized liquid systems. Both provide automatic, positive shutoff and proper seating under all operating conditions and instantly adjust to variations in flow and pressure. Offered in x in. and x in. sizes with NPT connections, corrosion- and freeze-resistant valves are rated for pressures to 400 psig and temperatures to 500F.

Free-Float Lever Liquid Drainer and Air Venter

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Spence Engineering
150 Coldenham Rd., P.O. Box 230
Walden, NY, 12586-0230

Press release date: March 1, 2007

Spence Engineering Company, of Walden, NY, announces its' Drainer NLD Series free-floating liquid drainer and Venter NAV Series free-floating air venter. These valves are used on pressurized air, gas, and liquid systems such as: hydronic heating systems, cooling systems, and liquid chilling operations. The Drainer NLD will remove liquids from pressurized air or gas systems and the Venter NAV will remove air and other gases from pressurized liquid systems.

Available in sizes " x " and " x " with NPT connections, for pressures to 400 PSIG, and temperatures to 500F, the Drainer NLD and the Venter NAV are maintenance free, float operated valves that have corrosion resistant, stainless steel components, and tamper proof sealed welded bodies that resist freezing. These valves provide automatic, positive shutoff, and proper seating under all operating conditions and will instantaneously adjust to variations in flow and pressure.

Spence Engineering Company is an ISO 9001, ASME, ASME "U" Stamp, PED and TUV certified manufacturer of steam specialty and fluid control devices including: pressure and temperature regulators, control valves, safety and relief valves, desuperheaters, noise suppression products, steam traps, air traps, and condensate pumps, fabricate and cast strainers, butterfly, check, and triple duty valves, suction diffusers and expansion joints.

Contact information: Matthew Mullen, Marketing Coordinator Spence Engineering Company, Inc. 150 Coldenham Road Walden, NY 12586 Tel: (800) 398-2493 Email: Web:
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