Tunstall Macon STV Series Manual page 53

Model BB Union offers numerous End Connections with two 1/4" plugged
accessory ports. The union has an EPDM O-ring seal and Fixed End Con-
nections available in FNPT or SWT. Tailpiece connections are available in
MNPT, FNPT, and SWT.
SPECIFICATIONS
Pressure Ratings:
Temperature Ratings:
Body Material:
End Connections:
Seals:
Available Options:
NOMINAL DIMENSIONS & WEIGHTS
SIZE
in mm
in
3/8" 10
mm
in
1/2" 15
mm
in
3/4" R 20
SWT SWT
mm
in
3/4" 20
FNPT FNPT
mm
in
1" 25
mm
in
1-1/4" 32
mm
in
1-1/2" 40
mm
in
2" 50
mm
* Please reference the tailpiece data sheet #Bulletin-MB-TP for other sizes and connections.
Dimensions not for construction purposes unless certified by factory.
Optional features and accessories available for this
Macon product are an extra charge, and not included
in the standard model price.
www.maconbalancing.com
600 PSI (4140 kPa)
250ºF (120ºC)
Forged Brass
Brass - Fixed End: SWT, FNPT
Union End: SWT, FNPT & MNPT
EPDM
Hose End Drain Valve
A
B
FNPT SWT
N/A 1.86 .84
N/A 47.29 21.34
1.90 1.88 .84
48.26 47.75 21.34
1.98 2.12 .84
50.29 53.85 21.34
1.98 2.12 1.08
50.29 53.82 27.43
2.15 2.28 1.08
54.61 57.91 27.43
2.39 2.56 1.46
60.71 65.02 37.08
2.39 2.69 1.46
60.71 68.32 37.08
2.49 3.03 1.76
63.25 76.96 44.70
WEIGHT
*T
MNPT
lbs
N/A
0.56
N/A
1.50
0.59
38.10
1.55
0.59
39.37
1.56
0.82
39.62
1.75
0.90
44.45
1.80
1.82
45.72
1.80
1.91
45.72
1.98
2.79
50.29
Tunstall Corporation
118 Exchange Street · Chicopee, MA 01013
Phone (413) 594-8695 · Fax (413) 598-8109
Section: Components
53
Model UB
Submittal Data
kg
0.25
0.27
0.27
0.37
0.41
0.83
0.87
1.27
Bulletin-MB-UB-0915