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PHYSICAL PROPERTIES
PROPERTIES PVC CPVC PP PVDF TEST METHOD REF.
Coefficient Of Expansion, IN./IN./°FX105 3.1 3.7 5.2 7.7 ASTM - D696
Compressive Modulus, 103 PSI 240-250 250-280 125-150 15-195 ASTM - D695
Compressive Strength, PSI 12,500-14,000 14,000-15,500 8500-9800 12,500-14,000 ASTM - D695
Dielectric Strength, KV/IN 0.9 0.9 1.0 1.18 ASTM - D149
Elongation, % 60 - 120 20 - 40 150 - 200 30 - 50 ASTM - D638
Hardness, Rockwell R 112 116 96 110 ASTM - D785
Heat Deflection, °F @ 264 PSI 160 212 202 230 ASTM - D648
Heat Resistance, °F 140 210 180 280  
Izod Impact, FT. LBS./IN., V Notch .65 1.6 2.5 6.0 ASTM - D256
Specific Gravity 1.41 1.53 .91 1.76 ASTM - D792
Tensile Strength PSI 7400 8800 5000 7200 ASTM - D638
Water Absorption 24HR/% @ 73° F 0.06 0.06 0.2 0.03 ASTM - D570
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CODE REFERENCE DATA

ASTM - D1784 RIGID PVC & CPVC COMPOUNDS ASTM - D2855 PVC SOLVENT CEMENTED JOINTS
D1785 PVC Sched. 40 & 80 Pipe Specs. F-439 CPVC Sched. 80 Socket Fittings
D2464 PVC Sched. 80 Threaded Fittings F-441 CPVC Sched. 80 Pipe Specifications
D2466 PVC Sched. 40 Socket Specs. F-493 CPVC Solvent Cements
D2467 PVC Sched. 80 Socket Specs. ANSI B16.1 Flange Specifications
D2564 PVC Solvent Cements B2.1 Threaded Fittings & Pipe Specs.
NSF 14 Potable Water & Quality Control Standards    
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SCHEDULE 80 THERMOPLASTIC PIPE STANDARDS

NOMINAL PIPE SIZE INSIDE DIAMETER (IN.) OUTSIDE DIAMETER (IN.) WALL THICKNESS (IN.)
1/2" .528 .840 .147
3/4" .724 1.050 .154
1" .935 1.315 .179
1 1/4" 1.256 1.660 .191
1 1/2" 1.476 1.900 .200
2" 1.913 2.375 .218
2 1/2" 2.289 2.875 .276
3" 2.864 3.500 .300
4" 3.326 4.00 .337
5" 4.767 5.563 .375
6" 5.709 6.625 .432
8" 7.565 8.625 .500
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Cv VALUES

TYPE & SIZE SAFETY BLOCK T.U. & COMPACT BALL VALVES 1/2"-2" 6"STRONG UNION BUTTERFLY VALVES SWING CHECK VALVES BALL CHECK VALVES Y  SEDIMENT STRAINERS DIAPHRAGM VALVES 1/2" - 2" T.U. STYLE 21/2"-10" FLANGED 1PC. BODY STYLE
1/2" 14     10 3.2 6.0
3/4" 30   25 25 5.8 11.0
1" 44   25 38 8.0 17.8
1 1/4" 80     76 18.5  
1 1/2" 130   80 80 20.0 35.0
2" 185 105 115 152 30.0 78.0
2 1/2" 330 260 250 280   125.0
3" 450 385 330 312   162.0
4" 730 520 500 525   275.0
5"   775 750      
6" 1390 1200 1200 1215   690.0
8"   2065 2000     1050.0
10"   3750   3800   1810.0
12"   5200        
14"   6450        
16"   8375        
18"   11000        
20"   14200        
24"   18750        
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TORQUE REQUIRED IN INCH POUNDS (Including 30% Safety Factor)

BUTTERFLY VALVES
SIZE 150 PSI 100 PSI 50 PSI
2" 125 95 65
2 1/2" 195 125 85
3" 310 195 130
4" 510 325 195
5" 700 435 253
6" 700 435 253
8" 1100 850 365
10" 2375 1440 965
12" 3900 2630 2200
14"   7700 3450
16"   88 PSI 8400 4615
18"   74 PSI 11,400 5635
20"     8075
24"     11,000
TUSB BALL VALVES
SIZE 150 PSI 100 PSI 50 PSI
1/2" 65 45 20
3/4" 72 45 26
1" 90 60 33
1 1/4" 195 124 65
1 1/2" 195 124 65
2" 210 130 80
2 1/2" 255 145 98
3" 390 195 130
4" 630 290 195
DIAPHRAGM TU VALVES
SIZE 150 PSI 100 PSI 50 PSI
1/2" 78 50 20
3/4" 88 52 20
1" 98 58 26
1 1 /2" 124 78 52
2" 188 118 65
DIAPHRAGM FLG. BODY VALVES
SIZE 150 PSI 100 PSI 50 PSI
1" 78    
2" 98    
3" 135    
4" 325    
6"   358 125
8"     60PSI 425
10"     60PSI 560
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PRESSURE (psi) / TEMPERATURE GUIDELINES

The maximum pressure rating of any TVI Thermoplastic Valve is 150 PSI @ 72° F - water, nonshock. With temperature increase, the pressure capability of each type valve and size must derated as charted below.

Pressure

BUTTERFLY VALVES
BODY DISC TEMP (°F) 2" 2 1/2" 3" 4" 5" 6" 8" 10" 12" 14" 16" 18" 20" 24"
PVC PP 32 - 70 150 150 150 150 150 150 150 150 100 100 85 70 50 50
120 100 100 100 100 100 100 100 100 60 60 60 30 30 30
140 70 70 70 45 45 45 40 30 30 30 30 20 20 20
PVDF PVDF -40 - 250 150 150 150 150 150 150 100 60 60 40 40 40 40 40

 

HORIZONTAL SWING CHECK VALVES
SIZE TEMP (°F)
PVC PP PVDF
EPDM TEFLON EPDM TEFLON EPDM TEFLON
32-70 110 120 32-120 -5-110 140 180 -5-110 -5-140 180 195 210 -5-210
3/4" 150 150 100 40 150 100 90 40 150 120 100 85 85
1" 150 150 100 40 150 100 90 40 150 120 100 85 85
1 1/2" 150 150 100 40 150 100 90 40 150 120 100 70 85
2" 150 150 100 40 150 100 80 40 150 120 90 55 85
2 1/2" 150 100 100 40 100 85 70 35 150 100 80 50 85
3" 150 100 100 40 100 70 60 30 150 100 80 40 70
4" 100 70 70 30 70 65 40 30 100 85 60 35 70
5" 100 70 70 30 70 50 35 30 100 85 60 30 60
6" 100 70 60 25 70 40 30 20 100 70 60 30 40
8" 70 40 40 20 40 35 25 15 70 50 40 30 40

 

DIAPHRAGM VALVES
VALVE SIZE RUBBER DIAPHRAGM @73°F TEFLON DIAPHRAGM @73°F
PVC PP PPG CPVC PVDF PVC PP PPG CPVC PVDF
1/2" 150 150 150 150 150 105 105 105 105 105
3/4" 150 150 150 150 150 105 105 105 105 105
1" 150 150 150 150 150 105 105 105 105 105
1 1/2" 150 150 150 150 150 105 105 105 105 105
2" 150 150 150 150 150 105 105 105 105 105
2 1/2" 150 150 150 150 150 105 105 105 105 105
3" 150 150 150 150 150 90 75 90 90 90
4" 150 150 150 150 150 90 75 90 90 90
5" 150 150 150 150 150 60 60 60 60 60
6" 150 150 150 150 150 60 60 60 60 60
8" 60 60 60 60 60 45 45 45 45 45
10" 60 45 60 60 60 45 45 45 45 45
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Thermoplastic Valves Inc. 53 South Seventh Street Emmaus, PA 18049
610-967-6388 FAX: 610-967-6448 • email: tvi2@fast.net