Tunstall Macon STV Series Manual page 49

Model BB Union End Ball Valve is offers shutoff and throttling. The position
indicating Memory Stop provides quick and easy flow setting with a single
screw adjustment. The ball valve has a chrome plated ball, Teflon seats, a
blowout proof stem with double EPDM O-ring seals and dual plugged acces-
sory ports. The union has an EPDM O-ring seal and tailpiece available in
MNPT, FNPT, and SWT end connections.
SPECIFICATIONS
Pressure Ratings:
Temperature Ratings:
Body Material:
End Connections:
Seals:
Ball:
Stem:
Handle:
Memory Stop:
Available Options:
NOMINAL DIMENSIONS & WEIGHTS
SIZE
in mm
in
1/2" 15
mm
in
3/4" R 20
mm
in
3/4" 20
mm
in
1" R 25
mm
in
1-1/4" 32
mm
in
1-1/2" 40
mm
in
2" R 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.
STANDARD COMPONENTS
Memory stop with position indicator, zinc coated steel.
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
600 PSI (4140 kPa)
250ºF (121ºC)
Forged Brass
Brass - Fixed End: SWT, FNPT
Union End: SWT, FNPT & MNPT
EPDM
Chrome Plated Brass, full port, 100% positive shut-off. Optional 316 Stainless Steel.
Brass. Optional 316 Stainless Steel.
Full size Zinc Plated lever with Vinyl Grip
Zinc Plated Steel with position indicator
"PTV" combination PT & Air Vent, hose end Drain Valve & Port Extensions
A
B
FNPT SWT
3.19 3.29 2.03
81.03 83.49 51.64
3.34 3.41 2.03
84.84 86.61 51.64
3.33 3.45 2.03
84.58 87.63 51.64
3.48 3.61 2.03
88.39 91.69 51.64
4.02 4.19 2.33
101.11 106.43 59.18
4.44 4.74 2.52
112.78 120.40 64.00
5.03 5.82 2.90
127.76 148.83 73.66
C D
3.66 1.98
92.96 50.50
3.66 1.98
92.96 50.50
3.66 2.08
92.96 52.83
3.66 2.08
92.96 56.31
5.03 2.44
127.76 61.90
5.65 2.83
143.59 71.81
5.65 2.83
143.59 78.56
Tunstall Corporation
118 Exchange Street · Chicopee, MA 01013
Phone (413) 594-8695 · Fax (413) 598-8109
Section: Components
49
Model BB
Submittal Data
WEIGHT
*T
MPT
lbs kg
1.50
1.21 0.55
38.10
1.50
1.25 0.57
38.10
1.56
1.47 0.67
39.70
1.80
1.55 0.70
45.72
1.80
3.43 1.56
45.72
1.80
4.75 2.15
45.72
1.98
5.68 2.58
50.17
Bulletin-MB-BB-0915