Product Overview

MX SERIES VALVES
38-00035EFS—02 2
SPECIFICATIONS
Fig. 1. Dimensions of Union NPT model.
Fig. 2. Dimensions of Flange model.
Maximum working pressure: 150 psi (1034 kPa).
Replacement Parts
OPERATION
Automatic operation is provided by the thermostatic
element. Element will control hot and cold supply based on
valve setting. If cold water is shut off, valve reduces mixed
flow in seconds (speed/residual flow rates vary by size).
CAUTION
Do not override calibration. Test temperature
with thermometers.
Service
To remove dirt, flush valve. To remove calcium and lime
deposits, soak valve in vinegar for 24 hours and flush or
contact factory for assistance. Do not attempt to field
repair this calibrated valve.
M23693A
SIZE
SIZE
SIZE
A
D MINIMUM
BA
C
H
C
M
MX127LF-130LF
M36174
MX131LF - 132LF
B
A
C
A
D MINIMUM
SIZE
Table 1. MX Series Valve Models.
Product
Number Size NPT
C
v
Min.
Flow
(GPM)
GPM @
30 psi
Temp.
Range
Weight in
Lbs (kg)
Dimensions in inches (mm)
AB C D
MX127LF 1 in. 4.0 1.0 22 113°-149° F
(45°-65° C)
3.6 (1.6) 2.8 (66) 3.7 (94) 6.5 (165) 6.0 (152)
MX128LF 1-1/4 in. 9.3 2.5 50 6.4 (2.9) 3.3 (84) 4.4 (112) 7.7 (196) 6.9 (175)
MX129LF 1-1/2 in. 13.5 3.5 75 8.4 (3.8) 3.6 (91) 5.0 (127) 8.6 (218) 7.0 (178)
MX130LF 2 in. 18.0 5.0 100 13.1 (5.9) 4.2 (107) 5.8 (147) 10.0 (254) 7.3 (185)
MX131LF** 2-1/2 in.
Flange
34.0 8 186 113°-149° F
(45°-65° C)
51 (23.1) 5.7
(144.8)
5.7
(144.8)
11.4
(289.6)
4.0
(101.6)
MX132LF** 3 in.
Flange
50.0 12 274 113°-149° F
(45°-65° C)
62 (28.1) 6.1
(154.9)
6.1
(154.9)
12.2
(309.9)
4.0
(101.6)
MX 050-RP Recirculation Adapter Kit 0.2 (0.1)
* Union models include 1/2-in. recirculation adapter.
** Flange models recirculation adapter size (MX131LF 1 in. and
MX132LF 1-1/4 in.)
Maximum Temperature:
MX127LF, 128LF, 129LF, 130LF, 131LF, 132LF: 221° F (105° C)
Maximum working Pressure 150 psi (1034 kPa).
Minimum temperature difference between hot and mix
should be 10° F (6° C).
Product
Number Description
MX050-RP 1/2 inch Recirculation Adapter
MX100-RP 1 inch Gasket Kit for MX Series mixing
valves
MX125-RP 1 1/4 inch Gasket Kit for MX Series mixing
valves
MX150-RP 1 1/2 inch Gasket Kit for MX mixing valves
MX200-RP 2 inch Gasket Kit for MX mixing valves
MX250-RP 2 1/2 inch Gasket Kit for MX mixing valves
MX300-RP 3 inch Gasket Kit for MX mixing valves