Siemens Building Technologies Mixing MT Series Valve Catalog Page
Three-way Mixing MT Series Valve Specifications
A-142
Valves
Valve Size .............................................................1/2 to 1" (15 to 25 mm)
Body Style ....................................................................................... Globe
Seat Style ...........................................................................Metal to Metal
Action ........................................................................... Three-way Mixing
Valve Body Rating .......................................................... ANSI Class 250
Stem Travel (Stroke) .........................................................7/32" (5.5 mm)
Materials
Body ...................................... Forged Brass C37700 (1/2 and 3/4 inch)
or UNS CA 844 Bronze (1 inch)
Trim .................................................................. Stainless Steel or Brass
Stem ........................................... Stainless Steel ASTM A582 Type 303
Packing ........................................................................... EPDM O-rings
Spring Ranges
Standard .............................................................................. 8 to 13 psig
Optional .......................................................... 3 to 8 psig (21 to 55 kPa)
10 to 15 psig (69 to 103 kPa)
Controlled Medium ................Water, Steam, Glycol Solutions up to 50%
Medium Temperature Range ........................... 35 to 250°F (2 to 120°C)
Max. Recommended Differential
Pressure for Modulating Service
Brass Trim ................................................................... 25 psi (173 kPa)
Stainless Steel Trim ..................................................... 50 psi (345 kPa)
Steam Stainless Steel Trim ......................................... 15 psi (103 kPa)
Rangeability
Cv<1 .............................................................................................. >50:1
Cv>1 ............................................................................................ >100:1
Close-off Ratings ......................................... According to ANSI/FCI 70-2
Leakage Rate ....................................................... Class IV (0.01% of Cv)
Flow Characteristics
A→AB .......................................................... Modied Equal Percentage
B→AB ............................................................................................Linear
Mounting Location ............................................... NEMA 1 (interior only)
Refer back to the Selection Charts at the beginning
of this section to make sure the conguration is valid.
Three-way Mixing MT Series Valve Body Product Ordering
Linear, Brass Trim
Valve Size
in. (mm)
1/2 (15) 0.4 (0.34) 7/32
1/2 (15) 1 (0.85) 7/32
1/2 (15) 1.6 (1.37) 7/32
1/2 (15) 2.5 (2.14) 7/32
1/2 (15) 4 (3.42) 7/32
3/4 (20) 6.3 (5.38) 7/32
1 (25) 10 (8.55) 7/32
1/2 (15)
There are no repair parts for this product. Replace the entire valve body if inoperative.
Cv (Kvs)
Flow Rate
0.63 (0.54) 7/32
Stroke (in.) Part No.
599-02064
599-02065
599-02066
599-02067
599-02068
599-02069
599-02070
599-02071
Three-way Mixing MT Series Valve Body Product Ordering
Linear, Stainless Steel Trim
Valve Size
in. (mm)
1/2 (15) 0.4 (0.34) 7/32
1/2 (15) 1 (0.85) 7/32
1/2 (15) 1.6 (1.37) 7/32
1/2 (15) 2.5 (2.14) 7/32
1/2 (15) 4 (3.42) 7/32
3/4 (20) 6.3 (5.38) 7/32
1 (25) 10 (8.55) 7/32
1/2 (15)
There are no repair parts for this product. Replace the entire valve body if inoperative.
Cv (Kvs)
www.usa.siemens.com/hvac
Flow Rate
0.63 (0.54) 7/32
Stroke (in.) Part No.
599-02072
599-02073
599-02074
599-02075
599-02076
599-02077
599-02078
599-02079
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