Spears - PVC & CPVC Butterfly Check Valves
Quick Response Shut-off In Any Position
- Available in IPS sizes 1 1/2" through 12" with Flanged, Spigot, Male Thread or Grooved Pipe Style End Connections
- Chemical Resistant PVC & CPVC Construction
- Low pressure drop - see below
- Field Replacement Flex-Seal - Choice of Reinforced EPDM or Viton®
- High Pressure Ratings, 1 1/2" through 8" are rated for 150 PSI and 10" and 12" are rated for 100 PSI
- Maximum PVC & CPVC Service Temperatures
- Opening and Closing Pressures Ranging from .2 to .5 PSI in Horizontal Applications
Dimensional Information - Spigot (Plain End) Valve, Grooved End Valve & Threaded Valve
|
Size |
Length |
Diameter |
Pressure Rating (PSI) |
|
2 |
5 3/4 |
3 1/8 |
150 |
|
2 1/2 |
5 3/4 |
3 9/16 |
150 |
|
3 |
5 3/4 |
4 1/4 |
150 |
|
4 |
6 3/4 |
5 1/4 |
150 |
|
6 |
10 1/2 |
7 7/16 |
150 |
|
8 |
14 |
9 3/4 |
150 |
|
10 |
16 |
11 7/8 |
100 |
|
12 |
16 |
13 7/8 |
100 |
Dimensional Information - Flanged Valve
|
Size |
Length |
Diameter |
Pressure Rating (PSI) |
|
2 |
6 1/8 |
6 |
150 |
|
2 1/2 |
6 1/4 |
7 |
150 |
|
3 |
6 5/16 |
7 1/2 |
150 |
|
4 |
7 1/4 |
9 |
150 |
|
6 |
11 3/8 |
11 |
150 |
|
8 |
14 3/4 |
13 1/2 |
150 |
|
10 |
17 5/16 |
16 |
100 |
|
12 |
17 7/16 |
19 |
100 |
Pressure Drop Specifications - Cv Valves
|
Size |
Cv |
|
2 |
91 |
|
2 1/2 |
123 |
|
3 |
365 |
|
4 |
665 |
|
6 |
1695 |
|
8 |
2990 |
|
10 |
5595 |
|
12 |
8490 |