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Ambient Air Heated Forced Draft Vaporizers
The performance of ambient forced draft air heated vaporizers, which use the relative “heat” of the atmosphere to derive the energy necessary for the vaporization of the liquid cryogen, is subject to many factors. These include flow rate, duty cycle, ambient temperature, relative humidity, freeze period, altitude, wind, solar radiation, operating pressure and proximity to adjacent structures. The effects of average solar and wind conditions are not included in quoted ratings. Performance is based on mean ambient conditions of 70 0F (210C) and 70% relative humidity. Special conditions may vary considerably for different application, thereby affecting performance. Ambient forced draft vaporizers represent the most cost effective equipment to vaporize or re-gasify liquid cryogens. Once installed there are minimal maintenance costs. All that is required is regular defrosting of the heat transfer elements.
SPECIFICATIONS AND CONNECTIONS
LOW PRESSURE standard all aluminum units MAWPs available: 275 psig (19 bar); 450 psig (31 bar); 588 psig (40 bar) Other MAWPs on request
Connections: Mueller four bolt, ANSI RFWN or SORF or DIN specification flanges.
HIGH PRESSURE standard all aluminum ‘metal lined’ units MAWPs available: 3600psig (250 bar) and 6000psig (400 bar) Models available up to 15,000psig (1000 bar). Connections: SCBW (square cut butt weld); ½” NPTF; others on request. Liner materials available: Types 304, 316 and 310 Stainless Steel, Monel, other materials on request.
All ISPL vaporizers are designed and manufactured in accordance with the UBC and applicable sections of ANSI A 58.1. Units available for seismic zone 4 locations and 100mph (44m/s) wind speed with normal ice loading. Vaporizers may be manufactured in compliance with any internationally recognized pressure specification, such as ASME; TUV; PED; KGC or ISQL. ASME U STAMP VAPORIZERS AVAILABLE.