- Lowest pressure drop compared to other check
valve designs.
- Top entry design for easy maintenance.
- Can be installed in either vertical or horizontal
piping system.
- Minimal required back pressure to fully seat
disc.
- Full open stop to prevent disc overtravel
and insure proper closing action.
- No metal internals to prevent the possibility
of corrosion.
- Full faced seat for drop tight shut-off.
- Stainless steel external fasteners.
- Easily modified for spring assist option.
- Designed to fit between ANSI B16.5 Class 150
flanges.
| Item |
Parts |
Pcs |
Materials |
| 1 |
Body |
1 |
PVC,PP,CPFVC,PVD |
| 2 |
Bonnet |
1 |
PVC,PP,CPVC,PVDF |
| 3 |
Disc |
1 |
PVC,PP,CPVC,PVDF |
| 4 |
Sheet Gasket Holder |
1 |
PVC,PP,CPVC,PVDF |
| 5 |
Swing Arm |
1 |
PVC,PP,CPVC,PVDF |
| 6 |
Disc Gasket |
1 |
EPDM,VITON®TFE |
| 7 |
Bonnet Gasket |
1 |
EPDM,VITON® |
| 8 |
Shaft |
|
PVC,PP,CPVC,PVDF |
| 9 |
Washer |
1"-3"
6 Sets 4"-8"
8 Sets |
SUS304 |
| 10 |
Bolts |
SUS304 |
| 11 |
Nuts |
SUS304 |
| 12 |
Disc Holder |
|
PVC,PP,CPVC,PVDF |
| 13 |
O-ring |
|
EPDM,VITON® |
| 14 |
Shaft Holder |
|
PVC,PP,CPVC,PVDF |
| 15 |
Set Bolts |
1"-2"
- 1
21/2"-4" 3
5"-6"- 4
8"- 8 |
PVC, PP, PPG,
PVDF |
| 16 |
Set Pin |
1 |
PVC, PP, CPVC,
PVDF |
| 17 |
Bracket |
1 |
316 Stainless
Steel (for S.S.spring assist option) |
| 18 |
Nut |
1 |
316 Stainless
Steel (for S.S.spring assist option) |
| 19 |
Adjustment Stem |
1 |
316 Stainless
Steel (for S.S.spring assist option) |
| 20 |
Spring |
1 |
316 Stainless
Steel (for S.S.spring assist option) |
| 21 |
Lever |
1 |
PVC (for S.S.spring
assist option) |
| 22 |
Pin |
1 |
316 Stainless
Steel (for S.S.spring assist option) |
VITON® is a trademark of DuPont Performance Elastomers
TEFLON® is a trademark of DuPont Performance Elastomers
Size Inch |
D1 |
D2 |
D3 |
e |
n
No. of Holes |
D4 |
D5 |
D6 |
L |
T |
A |
h |
H |
Working Presure |
| Elastromer |
TFE |
| 3/4" |
1.00 |
2.75 |
4.25 |
0.63 |
4 |
4.34 |
5.13 |
2.97 |
6.31 |
0.50 |
0.25 |
1.56 |
4.75 |
150 |
50 |
| 1" |
1.00 |
3.13 |
4.25 |
0.63 |
4 |
4.34 |
5.13 |
2.97 |
6.31 |
0.59 |
0.25 |
1.56 |
4.72 |
150 |
50 |
| 1 1/2 " |
1.63 |
3.88 |
5.00 |
0.63 |
4 |
4.94 |
5.72 |
3.34 |
7.09 |
0.63 |
0.31 |
1.78 |
5.44 |
150 |
50 |
| 2" |
2.06 |
4.75 |
6.00 |
0.75 |
4 |
6.09 |
7.09 |
4.13 |
7.88 |
0.83 |
0.31 |
2.16 |
6.46 |
150 |
50 |
| 2 1/2" |
3.16 |
5.50 |
7.00 |
0.75 |
4 |
7.13 |
8.06 |
5.13 |
10.25 |
0.83 |
0.34 |
2.75 |
6.72 |
150 |
50 |
| 3" |
3.16 |
6.00 |
7.50 |
0.75 |
4 |
7.13 |
8.06 |
5.13 |
10.25 |
0.83 |
0.34 |
2.75 |
6.75 |
150 |
50 |
| 4" |
3.94 |
7.50 |
9.00 |
0.75 |
8 |
9.25 |
10.44 |
6.69 |
11.93 |
0.87 |
0.41 |
3.53 |
8.37 |
100 |
40 |
| 5" |
4.94 |
8.50 |
10.00 |
0.88 |
8 |
11.22 |
13.00 |
8.28 |
13.78 |
0.87 |
0.56 |
4.34 |
9.38 |
100 |
25 |
| 6" |
5.53 |
9.50 |
11.00 |
0.88 |
8 |
13.00 |
14.56 |
9.84 |
15.75 |
0.91 |
0.63 |
5.31 |
10.56 |
100 |
20 |
| 8" |
7.88 |
11.75 |
13.50 |
0.88 |
8 |
15.31 |
16.71 |
11.81 |
19.69 |
1.02 |
0.72 |
6.69 |
12.06 |
70 |
20 |
Testing performed on PVC/PP/EPDM valves at 73°F water temperature, non-shock.
Thermoplastic Swing Check Valves 3/4"-8" flanged design
shall employ molded thermoplastic body, disc assembly, bonnet, and
shaft. Metal internals are not acceptable. Valves have a full faced
disc seal. Valves require low back pressure for drop-tight seating.
Valves are of low pressure drop design. Body has a full open disc
stop to prevent over travel and insure proper closing action. Bonnet
is full gasketed and fastened using stainless steel hardware. Valves
are top entry design for ease of maintenance. Valves are suitable
for vertical and horizontal installation. Flanged ends are designed
for installation between ANSI B16.5 Class 150 flanges. Materials
of construction shall be as follows: (select as required for service)
PVC,CPVC, ASTM D-1784
PP, ASTM D-4101
PVDF, ASTM D-3222
PVC, CPVC, ASTM D-1784
PP, ASTM D-4101
PVDF, ASTM D-3222
EPDM,Ethylene propylene diene monomer
Fluorocarbon, Viton® (DuPont Performance Elastomers)
Fluorel (3M Corp.)
PTFE (Polytetrafluoroethylene), Teflon® (DuPont Performance Elastomers)
NOTE: Can be easily modified for spring assist
operation.
304 Stainless Steel
ANSI - B16.5 Class 150
Not recommended for compressed air or gas
service.
For more information about our products please go to our Information Request page
Thermoplastic Valves Inc. 53 South Seventh Street Emmaus, PA 18049
610-967-6388 FAX: 610-967-6448 • email: tvi2@fast.net
