Submittal Sheet

STVA Series
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
Handwheel Polyamide Plastic
STVA
Valve Size Dimensions
Approx.
Weight
Handwheel
Turns
Nominal
Dimensions
Inches/mm
Inches mm A - Length B - Height lbs./kg
2 1/2 DN 65
11.42 / 290 8.94 / 226 30.9 / 14
10
3 DN 80
12.2 / 310 9.5 / 241 44.1 / 20
10
4 DN 100
13.78 / 350 10.2 / 259 57.3 / 26
10
5 DN 125
15.75 / 400 11.73 / 298 88.2 / 40
10
6 DN 150
18.9 / 480 12.05 / 306 110.2 / 50
10
Valv e Selection Guide
Valve Size
Minimum
Flow Nominal Range of Flow
Maximum
Flow
Nominal
Dimensions
Inches mm GPM /LPM GPM/LPM GPM /LPM
2 1/2 DN 65
2.13 / 8.07 33 - 100 / 125 - 378 318.3 / 1205
3 DN 80
4.19 / 15.9 100 - 117 / 378 - 442 374.5 / 1418
4 DN 100
6.09 / 23 117 - 200 / 442 - 756 646.8 / 2448
5 DN 125
7.61 / 28.8 200 - 320 / 756 - 1210 1025 / 3879
6 DN 150
13.7 / 51.9 320 - 440 / 1210 - 1663 1447 / 5477
STVA SERIES - Specifications
Date:
Job Name:
Contractor:
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
vernier scale and
digital readout
Built in memory stop
Wide variety of
accessories available
The Minimum Flow is calculated
from the minimum recommended
pressure drop
1 ft. WG (=3.0 kPa)
The Nominal Flow is from the
maximum setting of the valve
and the minimum recommended
pressure drop,
2 ft WG (=6.0 kPa)
The Max Flow is calculated
from the maximum setting of
the valve and the max pressure
drop, 20 ft WG (=60.0 kPa)
Tunstall Corporation
118 Exchange Street Chicopee, MA 01013
Phone: [phone] Fax: [phone]
www.tunstall-inc.com
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