Watts DETA - Manual

Series DETA
ASME — Pressurized Expansion
Tanks for Potable Hot Water
Models DETA 5 to DETA 210
Watts Model DETA Tanks are ASME fixed bladder type pre-
charged expansion tanks for commercial and industrial fresh
potable hot water applications. They are designed to accept
the expanded volume of hot water keeping the system pressure
below the relief valve setting. The water is contained in a butyl
bladder.
Features
• ASME Section VIII Construction
• Fixed Butyl Bladder (FDA approved)
• Stainless Steel System Connection
• Precharged to 40 psi (Field Adjustable)
Construction
Shell: Carbon steel
System Connection: Stainless steel
Bladder: Butyl (FDA approved)
Prime painted exterior
Pressure — Temperature
Maximum Design Pressure:
DETA 5 through DETA 210: 150 psi (10 bar)
Precharged to 40 psi (275 kPa)
Maximum Design Temperature: 240°F (115°C)
Specifications
Furnish and install as shown on plans a Watts Model DETA ____
gallon ____ " diameter x ____" (high) pre-charged steel thermal
expansion tank with a fixed butyl bladder. The tank shall have
a top NPT stainless steel system connection and a .301" - 32
charging valve connection (standard tire valve) to facilitate the
on-site charging of the tank to meet system requirements. The
tank must be constructed in accordance with Section VIII of the
ASME Boiler and Pressure Vessel Code.
Model
NuMber
TaNk VoluMe
GalloNs
accepTaNce
VoluMe
GalloNs
TaGGiNG
iNforMaTioN QuaNTiTy
DETA 5 3.5 2.1
DETA 12 5 3.1
DETA 20 8 3.1
DETA 30 15 10.5
DETA 42 22 15.5
DETA 60 26 15.5
DETA 80 35 15.5
DETA 100 45 21
DETA 125 60 21
DETA 160 70 52.5
DETA 180 80 52.5
DETA 210 90 52.5
Schedule
For Potable Hot Water Applications
ES-DETA
Job Name ––––––––––––––––––––––––––––––––––––––––––– Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location ––––––––––––––––––––––––––––––––––––––––– Approval –––––––––––––––––––––––––––––––––––––––––––––
Engineer ––––––––––––––––––––––––––––––––––––––––––––– Contractor’s P.O. No. ––––––––––––––––––––––––––––––––––
Approval ––––––––––––––––––––––––––––––––––––––––––––– Representative ––––––––––––––––––––––––––––––––––––––––
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
*The wetted surface of this product contacted by consumable
water contains less than one quarter of one percent (0.25%) of
lead by weight.
LEAD FREE
*