Spec for Pure Wtr Heaters-Rev1_Redacted.pdf

This is a technical specification document for portable inline electric heaters designed to heat deionized (DI) water, to be used at Puget Sound Naval Shipyard. The specification establishes minimum government requirements for purchasing portable electric inline heaters constructed of 316 or 316L stainless steel that must be electropolished and passivated, with strict requirements for internal wetted surface finish, cleanliness, and materials.

The heaters must continuously heat at least 10 GPM of deionized water from 40°F inlet temperature to a maximum outlet temperature of 115°F at 100% duty cycle, with automatic adjustment capability for lower flow rates. The units must be portable for use at shipyard docks and piers, with a skid platform design allowing transport by forklift, pallet jack, truck and overhead crane. Key technical parameters include: 120KW power rating, 480 VAC 3-phase electrical supply, 150 psig design pressure, NEMA 4X electrical enclosures, and maximum dimensions of 84" length x 50" width x 72" height. The specification includes detailed requirements for materials, construction, testing, quality assurance, safety compliance, and documentation. All equipment must meet OSHA requirements and be certified by a Nationally Recognized Testing Laboratory (NRTL).