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Page No. 5
Proposal No. Q10515
Date: June 7, 2017
Note 1 – Ludell Field Service
Ludell has included in its proposal the services of our field engineer for one visit, for
two (2) consecutive days at no added cost. The engineer will: inspect the equipment for
proper installation, adjust controls to factory standards, verify performance guarantees,
and instruct your personnel on the equipment features, maintenance and operational
use. It is necessary to contact the Ludell Service Department two (2) weeks prior to your
planned equipment start-up. Service is scheduled to begin and end during the normal
work week (Monday – Friday). Normal workday is 8 hours, any overtime will be billed
separately. Weekend travel and/or short term notice start-up service will be charged at
additional cost. Additional trips and service will be billed on a per diem basis, plus
travel and living expenses at cost.
Note II - Ludell's Additional Features
A. The Ludell Direct Contact Water Heater reduces the dissolved oxygen
content of the water which is a physical law of nature when water is heated.
B. The Ludell patented tangential firing provides the user with the additional
feature of circular heating motion. The circular heating eliminates surface
impingement associated with the straight in firing concepts and reduces
metal wall temperatures and efficiency loss.
C. The Ludell burner is externally mounted to provide the user with ease of
access to the valves and componentry.
D. The Ludell Direct Contact Water Heater is fabricated by certified welders
that perform in accordance with ASME welding procedures. Ludell is the
holder of ASME Code Stamp No. 18439.
Note III - Customer to Provide
A. Constant minimum gas pressure to the entrance of the gas train of:
27” W.C. (1 psig) minimum.
B. Constant water pressure to the entrance of the water heater of:
35 PSIG minimum.
C. Minimum/Maximum constant water flow to the heater entrance:
16 GPM, 32 GPM, respectively.
