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63-8702 11
Mixing Valves
Pressure Drop Chart
1.0
0.90.70.50.4
1.0
0.7
0.6
0.5
0.4
0.3
0.25
0.2
0.15
0.1
0.09
0.08
1.5
2.0
2.5
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10
15
20
25
PRESSURE DROP (PSI)
FLOW (GPM)
M34700
1.5 2.0 2.5 3.0 4.0 5.0 6.0 7.0
8.0
9.0
10
15 20 25 30 40 50 60 70 80 90
100
MX 3"
150 200 250
300
MX 2-1/2" MX 2" MX 1-1/2" MX 1-1/4" MX 1"
Material
Number
Pipe Size
in/(DN)
Connection
Type
Capacity
(Cv)
Operating Temperature
°F (°C)
Description Approvals,
ASSE
Comments
MX127LF/U 1 in. (DN25) NPT 4 Cv 113°F to 149°F (45°C to 65°C) 1 inch NPT MX Mixing Valves Lead Free 1017 Low Lead Content <.25%
by weighted average
MX128LF/U 1 1/4 in. (DN32) NPT 9.3 Cv 113°F to 149°F (45°C to 65°C) 1 1/4 inch NPT MX Mixing Valves Lead Free 1017 Low Lead Content <.25%
by weighted average
MX129LF/U 1 1/2 in. (DN40) NPT 13.5 Cv 113°F to 149°F (45°C to 65°C) 1 1/2 inch NPT MX Mixing Valves Lead Free 1017 Low Lead Content <.25%
by weighted average
MX130LF/U 2 in. (DN50) NPT 18 Cv 113°F to 149°F (45°C to 65°C) 2 inch NPT MX Mixing Valves Lead Free 1017 Low Lead Content <.25%
by weighted average
MX131LF/U 2 1/2 in. (DN65) Flanged 34 Cv 113°F to 149°F (45°C to 65°C) 2 1/2 inch Flanged MX Mixing Valves Lead
Free
1017 Low Lead Content <.25%
by weighted average
MX132LF/U 3 in. (DN80) Flanged 50 Cv 113°F to 149°F (45°C to 65°C) 3 inch Flanged MX Mixing Valves Lead Free 1017 Low Lead Content <.25%
by weighted average
MX Series Valves Replacement Parts
Material Number Pipe Size in/(DN) Description
MX050-RP/U 1/2 in. (DN15) 1/2 in. Recirculation adapter kit MX mixing valves. Includes 1/2 in. MNPT union nut and gasket
MX100-RP/U 1 in. (DN25) Replacement gasket kit for MX127 mixing valves. Includes 3, 1-in. gaskets
MX125-RP/U 1 1/4 in. (DN32) Replacement gasket kit for MX128 mixing valves. Includes 3, 1-1/4-in. gaskets
MX150-RP/U 1 1/2 in. (DN40) Replacement gasket kit for MX129 mixing valves. Includes 3, 1-1/2-in. gaskets
MX200-RP/U 2 in. (DN50) Replacement gasket kit for MX130 mixing valves. Includes 3, 2-in. gaskets
MX250-RP/U 2 1/2 in. (DN65) Replacement gasket kit for MX131 mixing valves. Includes 3, 2-1/2-in. gaskets
MX300-RP/U 3 in. (DN80) Replacement gasket kit for MX132 mixing valves. Includes 3, 3-in. gaskets