Tunstall Macon STV Series Manual page 39

Model MP is a manual balancing valve with featuring a cast steel venturi
flow element. The precision machined throat provides measurement accuracy
of ±3% of flow rate. Mounted on the discharge is a cast steel ball valve with
adjustable flow positioning plate. ANSI 150 flanged end connections, Dual
Extended length Pressure/Temperature readout ports and Hanging I.D. Tag.
SPECIFICATIONS
Pressure Ratings:
Temperature Ratings:
Accuracy:
Body Material: Venturi:
End Connections:
Metering Ports:
Available Options:
NOMINAL DIMENSIONS & WEIGHTS
SIZE
MODEL
in
2.50"
MP-250
MP-300 3.00"
4.00"
MP-400
MP-500 5.00"
MP-600 6.00"
Dimensions not for construction purposes unless certified by factory.
STANDARD COMPONENTS
Pressure / Temperature test port with brass body, dual durometer EPDM core, PTE Extender, brass
cap with O-ring seal and neoprene retainer strap. Accepts standard 1/8" (4mm) gauge adapter or
thermometer stem. Rated to 500 PSI (3450 kPa) and 275ºF (135ºC)
Please reference data sheet #Bulletin-MB-Accessories for optional accessories.
Optional features and accessories available for this
Macon product are an extra charge, and not included
in the standard model price.
www.maconbalancing.com
240 PSI (1654 kPa)
250ºF (120ºC)
± 3% of flow rate
Carbon Steel ASTM A-120
ANSI Class 150# Flanged
Optional ANSI Class 300# Flanged
Extended Length Pressure / Temperature test ports
"PTV" combination PT & Air Vent
A
mm
in 14.61
65
mm 371.0
in 16.12
75
mm 409.4
in 18.64
100
mm 473.5
in 25.14
125
mm 638.6
in 28.14
150
mm 714.7
B C
7.00 6.10
180.0 155.0
7.50 7.40
190.0 188.0
9.0 8.1
230.0 206.0
10.00 10.00
255.0 254.0
11.00 11.00
280.0 280.0
Tunstall Corporation
118 Exchange Street · Chicopee, MA 01013
Phone (413) 594-8695 · Fax (413) 598-8109
Section: Components
39
Model MP
2.50" to 6.00"
Submittal Data
Weight
D
lbs kg
6.50
49.5 22.5
165.0
6.00
54.9 24.9
153.0
7.8
99.5 45.1
198.0
18.00
146.0 66.2
457.0
17.50
197.8 89.7
445.0
Bulletin-MB-MP-0915