Product Overview

Optional features and accessories available for this
Macon product are an extra charge, and not included
in the standard model price.
www.maconbalancing.com
Model STVE
8.00” to 12.00”
Submittal Data
Tunstall Corporation
118 Exchange Street · Chicopee, MA 01013
Phone [phone] · Fax [phone]
Section: Components Bulletin-MB-STVE-1016.03
FEATURES
• Accurate and precise flow measurement
• Accurate and precise flow balancing
• Positive shut-off
• “Y” Pattern Globe style design
• Multi-turn, 360º handwheel with vernier scale and digital
readout
• Built in memory stop
• Offsetting Pressure/Temperature ports, self sealing with
optional Drain Kits
• Wide variety of accessories available
CIRCUIT
SETTER
NOMINAL DIMENSIONS & WEIGHTS Valve Selection Guide
SIZE
A
Length
B
Height
WEIGHT
Handwheel
Turns
Minimum
Flow
Nominal
Range of Flow
Maximum
Flow
MODEL
in mm
lbs kg
STVE-0800
8.0” 200
in 23.6 13.5
260 118 11
GPM 30 450 - 750 2415
mm 600 343 LPM 114 1703 - 2839 9142
STVE-1000
10.0” 250
in 28.7 16.0
390 177 11
GPM 47 750 - 1300 4050
mm 730 406 LPM 178 2839 - 4921 15330
STVE-1200
12.0” 300
in 33.5 19.0
490 223 11
GPM 43 1300 - 1600 5115
mm 850 483 LPM 163 4921 - 6057 19360
FLOW CALCULATIONS
The Minimum Flow is calculated from the minimum recommended pressure drop,
1 ft WG (=3.0 kPa)
The Nominal Flow is calculated from the maximum setting of the valve and the minimum recommended pressure drop,
2 ft WG (=6.0 kPa)
The Maximum Flow is calculated from the maximum setting of the valve and the maximum pressure drop,
20 ft WG (=60.0 kPa)
SPECIFICATIONS
Pressure Ratings: 250 psi / 16 bar (PN 16)
Temperature Ratings: 14ºF to 248ºF (-10ºC to 120ºC)
Body: Cast Iron
End Connections: ANSI 125# Flanged
Gaskets: EPDM
Seat Seal PTFE
Handwheel: Polyamide Plastic