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Thermoplastic Valves Product Guide & Engineering Specifictions
True Union Ball Valve (Regular Style)
Page 735 Suitable for Oil-Free air handling to 25 psi, not for distribution of compressed air or gas Spears
®
Manufacturing Company
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Replacement Parts
Dimensions, Weights, Operating Torque & C
v
Values
1: Valve Lay Lengths.
2: Torque required at valve maximum internal pressure rating, 5 ft./sec. flow velocity.
3: Consists of 4" True Union Ball Valve with two 4" x 6" Adapters.
4: Gallons per minute at 1 psi pressure drop. Values calculated from valve laying length, based on derivative of Hazen-Williams equation with surface roughness factor of C=150.
C
v
Valves for 6" venturied flange and socket valves are not available.
* Sizes 1-1/4" and larger.
** Seat O-ring (not shown) on sizes 2-1/2" and larger.
Temperature Pressure Rating
NOTE: Flanged Valves have a base pressure rating of 150 psi.
1
2
3
4
5
6
7
8
9
10
11
12
E
D
B
C
A
G
F
Nominal
Size
Dimension Reference (inches, ± 1/16) Approx. Wt. (Lbs.)
Oper.
2
Torque
(in.-lb.)
C
v
4
Values
AB
1
CDE FG
PVC CPVC
Soc/Thd Flanged Soc/Thd Flanged Soc/Thd Flanged
1/2 2-9/16 3-7/16 5-3/16 2-13/32 2-23/32 3-1/2 3-15/32 1.05 1.23 .95 1.14 20 25 18
3/4 3-1/32 4-1/16 6-3/16 2-5/8 3-3/16 3-7/8 4 1.44 1.64 1.50 1.73 30 51 36
1 3-13/32 4-5/16 6-9/16 2-13/16 3-23/32 4-1/4 4-5/16 1.91 2.22 2.08 2.43 40 97 67
1-1/4 3-11/16 4-1/2 7-1/16 2-31/32 4-1/8 4-5/8 4-19/32 2.38 2.78 2.52 2.91 60 204 142
1-1/2 4-3/8 5-5/16 8-1/32 3-9/32 4-15/32 5 5-9/32 3.63 4.00 3.82 4.26 80 285 201
2 5-3/16 5-13/16 8-13/16 4-13/32 5-1/4 6 5-23/32 5.40 6.14 5.70 6.54 90 540 381
2-1/2 7-7/16 8-3/8 11-7/8 4-29/32 9-7/8 7 7-3/16 12.87 14.26 13.44 15.85 300 712 512
3 7-7/16 8-3/16 11-15/16 4-29/32 9-7/8 7-1/2 7-11/32 13.24 15.67 13.85 16.96 300 1294 925
4 8-15/16 8-11/16 13-3/16 5-19/32 10-13/16 9-1/16 8-5/32 19.58 24.32 20.49 25.83 400 2629 1868
6 Socket
3
8-15/16 19-5/8 26-1/16 6-3/4 10-13/16 11-1/4 14-11/16 22.66 30.98 26.11 34.78 400 N/A N/A
6 Flanged
3
11-3/16 29-3/8 N/A 6-3/4 10-13/16 11-1/4 14-11/16 N/A N/A N/A N/A 400 N/A N/A
No. Component Qty. Material
1 Handle 1
PP
2 Stem 1
PVC/CPVC
3 Stem O-ring 1
EPDM/FKM
4 Stem Bearing* 1
PP
5 Union Nut 2
PVC/CPVC
6 Seat** 2
PTFE
7 Ball 1
PVC/CPVC
8 Body 1
PVC/CPVC
9 Carrier O-ring 1
EPDM/FKM
10 Seal Carrier 1
PVC/CPVC
11 End Connector 2
PVC/CPVC
12 End Connector O-ring 2
EPDM/FKM
System Operating
Temperature °F (°C)
100
(38)
110
(43)
120
(49)
130
(54)
140
(60)
150
(66)
160
(71)
170
(77)
180
(82)
190
(88)
200
(93)
210
(99)
Valve
Pressure
Rating
psi
(MPa)
1/2" - 2"
PVC
235
(1.62)
211
(1.45)
150
(1.03)
75
(.52)
50
(.34)
-0-
(-0-)
-0-
(-0-)
-0-
(-0-)
-0-
(-0-)
-0-
(-0-)
-0-
(-0-)
-0-
(-0-)
CPVC
235
(1.62)
219
(1.51)
170
(1.17)
145
(1.00)
130
(.90)
110
(.76)
90
(.62)
80
(.55)
70
(.48)
60
(.41)
50
(.34)
-0-
(-0-)
2-1/2" - 6"
PVC
150
(1.03)
135
(.93)
110
(.76)
75
(.52)
50
(.34)
-0-
(-0-)
-0-
(-0-)
-0-
(-0-)
-0-
(-0-)
-0-
(-0-)
-0-
(-0-)
-0-
(-0-)
CPVC
150
(1.03)
140
(.97)
130
(.90)
120
(.83)
11
0
(.76)
100
(.70)
90
(.62)
80
(.55)
70
(.48)
60
(.41)
50
(.34)
-0-
(-0-)