Tunstall Macon STV Series Manual page 50

Model SB Union End Ball Valve offers positive shut-off, pressure/temperature
measurement and drain. The ball valve has a chrome plated ball with Teflon
seats, blowout proof stem with double EPDM O-ring seals. The union has an
EPDM O-ring seal and tailpiece available in MNPT, FNPT and SWT end
connections.
Standard features include Pressure/Temperature Port and Hose End Drain
Valve.
SPECIFICATIONS
Pressure Ratings:
Temperature Ratings:
Body Material:
End Connections:
Seals:
Ball:
Stem:
Handle:
Available Options:
NOMINAL DIMENSIONS & WEIGHTS
SIZE
in mm
in
1/2" 15
mm
in
3/4" R 20R
mm
in
3/4" 20
mm
in
1" R 25 R
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.
STANDARD COMPONENTS
Pressure/Temperature test port with brass body, dual durometer EPDM core, threaded 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 275°F (135°C)
Drain valve with forged brass body, chrome plated ball, Teflon seats, double EPDM O-ring stem seals, aluminum
handle, 3/4" hose connection with cap and plastic retainer strap.
Rated to 600 PSI (4140 kPa) WOG and 250°F (121°C)
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
"PTV" combination PT & Air Vent, Hose End Drain Valve, Handle and Port Extensions
A
B
FNPT SWT
3.19 3.29 2.03
81.03 83.57 51.56
3.34 3.41 2.03
84.84 86.61 51.56
3.33 3.45 2.03
84.58 87.63 51.56
3.48 3.61 2.03
88.39 91.69 51.56
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 2.53
92.96 50.29 64.26
3.66 1.98 2.53
92.96 50.29 64.26
3.66 2.08 2.74
52.83
92.93 69.60
3.66 2.08 2.74
92.96 52.83 69.60
5.03 2.22 3.12
127.76 61.98 79.25
5.66 2.83 3.12
143.76 71.88 79.25
5.66 2.83 3.51
143.76 71.88 89.15
Tunstall Corporation
118 Exchange Street · Chicopee, MA 01013
Phone (413) 594-8695 · Fax (413) 598-8109
Section: Components
50
Model SB
Submittal Data
WEIGHT
*T
E
SWT
lbs
0.83
1.45
21.08
0.98
1.45
24.89
0.98
1.73
24.89
0.92
1.73
23.27
0.92
3.73
36.32
1.17
4.86
29.72
1.50
5.72
38.10
Bulletin-MB-SB-0915
kg
0.66
0.66
0.78
0.78
1.69
2.20
2.60