User guide

Mustang Series
R
01/05
Standard Materials
Body & Cover: Ductile Iron ASTM A536
Coating: NSF Listed Fusion
Bonded Epoxy Lined
and Coated
Trim: 316 Stainless Steel
Elastomers: Buna-N (standard)
EPDM (optional)
Viton (optional)
Stem, Nut & Stainless Steel
Spring:
M500 (Globe)
M1500 (Angle)
L
K
K
M
D
K
A
B
C
H
I
J
E
F
G
Globe
Angle
m500 link
Description
The WATTS ACV Models M500 and M1500 are full port, dual chamber basic valves that incorporate a one-piece
disc and diaphragm assembly. This assembly is the only moving part within the valve, allowing it to open or close as
commanded by the pilot control system.
When pressure is applied to the upper diaphragm chamber and released from the lower diaphragm chamber, the valve
travels to a closed position. When pressure is applied to the lower diaphragm chamber and released from the upper
diaphragm chamber the valve travels to a full open position. When pressure is balanced between the upper and lower
diaphragm chambers, the valve will hold an intermediate position until commanded to modulate open or closed by the
pilot control system.
Model M500: Globe Pattern Dual Chamber Basic Valve
Model M1500: Angle Pattern Dual Chamber Basic Valve
Operating Pressure
Threaded = 400 psi / 150 Flanged=250 psi / 300 Flanged = 400 psi
Operating Temperature
Buna-N: 160°F Maximum
EPDM: 300°F Maximum
Viton: 250°F Maximum
Description
Operating Pressure
Operating Temperature
Standard Materials
A B C D E F G H I J K L M
VALVE
SIZE
GLOBE
THRD.
GLOBE
150#
GLOBE
300#
COVER TO
CENTER
ANGLE
THRD.
ANGLE
150#
ANGLE
300#
ANGLE
THRD.
ANGLE
150#
ANGLE
300#
PORT
SIZE
PORT
SIZE
PORT
SIZE
SHIPPING
WEIGHTS*
2 9-3/8 9-3/8 10 8-9/16 4-3/4 4-3/4 5 3-1/4 3-1/4 3-1/2 3/8 1/2 1/4 45
2-1/2 11 11 11-5/8 10-5/16 5-1/2 5-1/2 5-7/8 4 4 4-5/16 1/2 1/2 1/2 70
3 12-1/2 12 13-1/4 11-3/16 6-1/4 6 6-3/8 4-1/2 4 4-3/8 1/2 1/2 1/2 100
4 15 15-5/8 14-1/4 7-1/2 7-7/8 5 5-5/16 3/4 3/4 1/2 200
6 20 21 18-7/16 10 10-1/2 6 6-1/2 3/4 3/4 3/4 340
8 25-3/8 26-3/8 21-13/16 12-3/4 13-1/4 8 8-1/2 1 1 1 665
10 29-3/4 31-1/8 23-3/8 14-7/8 15-9/16 8-5/8 9-5/16 1 1 1 980
12 34 35-1/2 29-5/16 17 17-3/4 13-3/4 14-1/2 1 1-1/4 1 1720
14 39 40-1/2 32-1/8 19-1/2 20-1/4 14-7/8 15-5/8 1 1-1/2 1 2600
16 41-3/8 43-1/2 35 20-13/16 21-5/8 15-11/16 16-1/2 1 2 1 3300
Dimensions
8550 Hansen Road • Houston, Texas 77075 • (Ph) 713.943.0688 • (Fx) 713.944.9445 • www.wattsacv.com