Brochure

Model MBF
Submittal Data
Macon’s MBF Manual Balancing Valve features a fabricated
steel venturi flow element. Mounted on the discharge is a ductile
iron lug type butterfly valve with gear operator. ANSI 125/150
flanged end connections. Dual extended length Pressure /
Temperature Ports. Hanging I.D. Tag.
SPECIFICATIONS
Pressure Ratings:
Temperature Ratings:
Accuracy:
Body Material: Venturi
Butterfly Valve
Disc:
Stem:
Seat:
Bushing:
Seal:
End Connections:
Metering Ports:
Available Options:
200 PSIG (1380 kPa)
225ºF (107ºC)
+
3% of Rate
Carbon Steel ASTM A-120
Ductile Iron A536 65-45-12
Aluminum Bronze B148 C954
Stainless Steel 416 A582
EPDM with Phenolic Backing
Teflon/Fiberglass Backed
EPDM
ANSI Class 125/150# Flanged
Extended Length Pressure/Temperature test ports
“PTV” combination PT and air vent
Form # MBF-03.14
8"– 1 2 .00" MBF
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
A
E
B
C
D
in mm lbs kg
in 15.88 13.50 6.75
mm 403.35 342.90 171.45
in 17.06 16.00 8.00
mm 433.32 406.40 203.20
in 19.30 19.00 9.50
mm 490.22 482.60 241.30
2.72
69.15
3.52
89.31
4.34
110.25
17.46
443.50
18.72
475.50
20.63
524.00
MODEL
MBF-800L
MBF-1000L
MBF-1200L
SIZE
A B C D E
Wgt
8.0" 200
145 65.77
10.0" 250 200 90.71
12.0" 300
333 153.04
NOMINAL DIMENSIONS & WEIGHTS
MODEL SIZE 10° 20° 30° 40° 50° 60° 70° 80° 90°
MBF-800L 8.0" 3 89 188 408 727 1202 1903 2854 3136
MBF-1000L 10.0" 4 151 320 694 1237 2047 3240 4859 5340
MBF-1200L 12.0" 5 234 495 1072 1911 3162 5005 7507 8250
Cv VALUE
(
US-GPM @1∆P
)
Cv Value when valve is in different opening angle