Specifications; Pressure Ratings; Temperature Ratings; Accuracy - Tunstall Macon STV Series Manual

0.50"- 1.00" AL AUTOMATIC BALANCING VALVE
Model AL is a low-lead automatic flow control device. The
removable flow cartridge is factory set to automatically limit
the GPM to within ±5% of the specified flow.
Standard features include EPDM O-rings and seals, FNPT
end connections and dual plugged accessory ports.

SPECIFICATIONS

Pressure Ratings:

Temperature Ratings:

Accuracy:

Body Material:

End Connections:

Flow Cartridge:

1/2" thru 1"
Seals:
Available Options:
NOMINAL DIMENSIONS & WEIGHTS
SIZE
A
in mm
in 3.70
1/2" 15
mm 94.10
in 3.84
3/4" 20
mm 97.50
in 4.23
1" 25
mm 107.40
NOTE: Dimensions not for construction purposes unless certified by factory.
± Dimensions with optional "PL" Low-Lead Pressure / Temperature Test Port
OPTIONAL ACCESSORY COMPONENTS
Low-Lead Pressure / Temperature test port with brass body, dual durometer EPDM core, 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
400 PSI (2758 kPa)
250ºF (121ºC)
± 5% of flow rate
Naval Brass, C46500 Low-Lead
FNPT - Inlet and Outlet
®
Ultrason Composite
EPDM
"PL" Low-Lead PT test port
Weight
B C ±
lbs
2.15 2.19
1.15 0.52
54.60 55.60
2.15 2.19
1.17 0.53
54.60 55.60
2.15 2.19
1.32 0.60
54.60 55.60
Above shown with optional PL test ports installed
GPM SETTINGS
2-32 PSID
kg
0.35, 0.5, 0.75, 1.0, 1.5,
2.0, 2.5, 3.0, 3.5, 4.0,
4.5, 5.0, 6.0, 7.0, 8.0,
9.0, 10.0
118 Exchange Street · Chicopee, MA 01013
Phone (413) 594-8695 · Fax (413) 598-8109
Section: Components
17
Model AL
Submittal Data
Cartridge
Tunstall Corporation
Bulletin-MB-AL-1016