Tunstall Macon STV Series Manual page 11

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
NOMINAL DIMENSIONS & WEIGHTS
SIZE
A
Length
in mm
in 23.6
8" 200
mm 600
in 28.7
10" 250
mm 730
in 33.5
12" 300
mm 850
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)
Optional features and accessories available for this
Macon product are an extra charge, and not included
in the standard model price.
www.maconbalancing.com
WEIGHT
B Handwheel
Height Turns
lbs kg
13.5
260 118 11
343
16.0
390 177 11
406
19.0
490 223 11
483
SPECIFICATIONS
Pressure Ratings:
Temperature Ratings:
Body:
End Connections:
Gaskets:
Seat Seal:
Valve Selection Guide
Minimum
Flow
GPM 30
LPM 114
GPM 47
LPM 178
GPM 43
LPM 163
Tunstall Corporation
118 Exchange Street · Chicopee, MA 01013
Phone (413) 594-8695 · Fax (413) 598-8109
Section: Components
11
Model STVE
8" to 12"
Submittal Data
250 psi / 16 bar (PN 16)
-14ºF to 250ºF (-10ºC to 120ºC)
Cast Iron
ANSI 125# Flanged
EPDM
PTFE
Nominal Maximum
Range of Flow Flow
450 - 750 2415
1703 - 2839 9142
750 - 1300 4050
2839 - 4921 15330
1300 - 1600 5115
4921 - 6057 19360
Bulletin-MB-STVE-1704