Specification Sheet

Delta reserves the right (1) to make changes in specifications and materials, and (2) to change or discontinue models, both without notice or obligation.
Dimensions are for reference only. See current full-line price book or www.specselect.com for finish options and product availability.
Note: Measurements may vary ± 6mm (0.25")
DSP–R2570-MIXLF Rev. A Page 4.C.1
Refer to www.specselect.com for individual models. Note: Use this page as a product submittal sheet.
Thermostatic Mixing Valve
o R2570-MIXLF
SPECIFICATION: (example)
 •Thermostaticmixingvalve
 •Brassbody
 •Thermostaticelementsensestheoutlet
water temperature and reacts to maintain
a constant delivery temperature even under
changing flows or variations in supply
temperatures or pressures
 •Regulatingpistonmadefrom
Engineered polymer
 •Outletflowreducedtoatrickleintheevent
of a cold water supply failure
 •Snap-oncoveroveraspindlemechanism
that requires a special tool to adjust
temperature.Thespecialtoolisprovided
with each valve.
 •Suppliedwithintegralpoppetstylecheck
valves on both inlets to prevent crossflow
 •Inlets/outlets:1/2"coppersweat
 •Outlettemperaturerange:
95 - 120˚F (35 - 49˚C)
 •Hottemperaturesupplyrange:
120 - 180˚F (49 - 82˚C)
 •Minimumacceptabletemperature
differential of hot water inlet to tempered
water outlet is 5˚F (3˚C)
 •Workingpressure:
145psi(1,000kPa)max.
 •Pressuredifferencebetweenhotandcold
supplyshouldnotexceed± 20%
 •Maximumflowrate@45psipressureloss
–11.0gpm(42L/min)
 •Minimumflowrate@45psipressureloss
–0.34gpm(1.29L/min)
THERMOSTATIC MIXING VALVE
117.6 mm
(4.63")
119.4 mm
(4.7")
1/2"SWEATINLET
HOT
1/2"SWEAT
INLET
COLD
1/2"SWEATOUTLET
MIXED
38.9 mm
(1.53")
66 mm
(2.6")
FLOW RATE vs PRESSURE
Approvals:
• ListedtoASSE1069,ASSE1070and
CSAB125.3
• Verifiedcompliantwith0.25%weighted
average Pb content regulations
(ContactDeltaRepresentativeforStateand/or
Local Approvals.)
10
12
8
6
4
2
00
7.6
15.1
22.7
30.3
37.9
45.4
0
10 20 30 40 50
Pressure Differential (psi)
FLOW
(L/min.)
FLOW
(GPM)
DSP–R2570-MIXLF Rev. A