Brochure

Model STVC-D
Submittal Data
Connection ANSI 125# Flanged
Maximum Working Pressure 250 psi / 16 Bar (PN 16)
Operating Temperature Range -14° F to 250° F (-10° C to 120° C)
Materials of Construction
Body, Bonnet Cast Iron
Gaskets EPDM
Seat Seal PTFE
STVC-D
Valve Size Dimensions
Approx.
Weight
Handwheel
Turns
Nominal
Dimensions
Inches/mm
Inches mm A - Length B - Height lbs./kg
8 DN 200
23.6 / 600 23.0 / 580 324 / 147
27
10 DN 250
28.7 / 730 26.0 / 665 475 / 215
33
12 DN 300
33.5 / 850 25.0 / 640 617 / 280
34
Valve Selection Guide
Valve Size
Minimum
Flow Nominal Range of Flow
Maximum
Flow
Nominal
Dimensions
Inches mm GPM/LPM GPM/LPM GPM/LPM
8 DN 200
30.3 / 114 440 - 650 / 1663 - 2460 2100 / 7940
10 DN 250
76.3 / 289 650 - 1300 / 2460 - 4915 4050 / 15300
12 DN 300
76.3 / 289 1300 - 1600 / 4915 - 6050 4750 / 17590
STVC-D SERIES - Specifications
Product Features
Accurate and precise
flow measurement
Accurate and precise
flow balancing
Positive Shut-off
Offsetting Pressure/
Temperature ports,
Self sealing with
optional Drain Kits
“Y” Pattern,
Globe style design
Multi-turn, 360
o
handwheel with
vernierscale and
digital readout
Built in memory stop
Wide variety of
accessories available
The Mini mum Flow is c alcu-
lated from the minimum
recom mended pressu re drop
1 . 5 ft. WG (=3.0 kPa)
The Nominal Flow is from the
maximum setting of the valve
and the minimum recom-
mended pressure drop,
2 ft WG (=6.0 kPa)
Th e Max Flow is calculated
from the maximum setting of
the valve and the max pressure
drop, 20 ft WG (=60.0 kPa)
A
B
Form # STVC-D-03.14
Optional features and accessories available
for this Macon product are an extra charge,
and not included in the standard model price.
Tunstall Corporation
118 Exchange Street
Chicopee, MA 01013