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Why use Poly-Water® Valves?

Polyvalve Poly-Water® valves are everything you’d expect from the company that invented polyethylene valves.

Millions of Polyvalve Poly-Water® valves have been sold since 1976 and are in use throughout the world. Here’s why

  • Rugged and reliable Polyvalve Poly-Water® valves are the strongest part of a polyethylene piping system.
  • Drop-tight shutoff from dual elastomeric seats
  • Fused body shell removes leak paths to atmosphere
  • Multiple elastomeric stem seals
  • No metal internal parts
  • High-grade polymeric materials eliminate corrosion
  • Smooth full bore gives excellent flow characteristics in both full and standard port designs
  • Wide variety of trim for your specific application
  • Flanged end configuration available

  • Poly-Water valves are NSF certified for use in potable water systems
Poly-Water 3D Valve Poly-Water 3D Valve Cut Out

All Metal System (Welded or Bolted)

  • Subject to external corrosion, internal scaling and damage from ground movement
  • Too-rigid pipe can rupture during frost heave or heavy pressure in hot weather
  • 30% of all system water is lost to leaks
Poly-Water Side View A

Polyethylene Pipe-to-Metal Valve Installation

  • Subject to the inherent weakness of combining incompatible materials
  • Vulnerable to ground movement during extremes of cold or heat
  • 30% of all systems water is lost to leaks
Poly-Water Side View B

All-Polyethylene Systems

  • Intrinsically safe—the valve is an integral part of the pipe
  • No leak points
  • No chance of corrosion
  • Flexible polyethylene systems are less susceptible to ground movement
Poly-Water Side View C

Materials

Materials of Construction

Item 1/2" through 2" Polyvalve II™ 2" through 16"
Body Polyethylene Polyethylene
Ball Acetal Polypropylene
Seat EPDM EPDM
Seat Retainer Acetal Polypropylene
Stem Stainless Steel Modified Phenylene Oxide
Stem Seal EPDM EPDM
Ground Water Seal Neoprene Neoprene
Adapter Polypropylene Polypropylene
  • *Note: 12" has gear box and cast iron 2" square nut adaptor. 8" will have a choice of either gearing or wrench. Wrench adapter material is Acetal.

Body and End Resin Chart

Polyvalve Poly-Water® valves are available in HDPE only.

Resin Supplier Material Description Color ASTM Material Designation Material Density
Dow DGDA 2490 Black PE 4710/3408 High
Polychem Flanged Valve
  • Available with flanged ends. Contact the factory for dimensions and pricing.

Maximum Allowable Service Pressures for Polyvalve Poly-Water® Valves TR-480 / DGDA 2490

  SDR 9 (PSIG/BAR) SDR 11 (PSIG/BAR) SDR 13.5 (PSIG/BAR)
@73°F/23°C 250 / 17.3 200 / 13.8 160 / 11.1
@100°F/38°C 210 / 17.3 168 / 11.6 134 / 9.3
@120°F/48.9°C 183 / 12.7 146 / 10.1 117 / 8.1
@140°F/60°C 158 / 10.9 126 / 8.7 101 / 7.0

Poly-Gas® Valve Availability

Poly-Water® Valve Availability Chart (Ball Valves for Water, Wastewater, and Irrigation)

Inches Metric Body Pieces Port End Configuration Cv Kv Equivalent Feet of Pipe Available SDRs
1/2 16-20 2 Full † BF* or SF* 18 260 2 9.3
3/4 25 2 Full † BF 25 361 3.2 9.3, 10, 11
1 32 2 Standard † BF 40 577 3.8 9.3, 11, 13.5
1-1/4 40 2 Standard † BF 45 649 9.6 9.3, 11, 13.5
2 55-63 3 Full BF 175 2528 3.8 9.3, 11, 17
50-63 2 Standard † BF 110 1586 9.6 9.3, 11, 17
3 90 3 Full BF 390 5624 5.3 9.3, 11, 13.5, 17
90 3 Standard BF 240 3461 14.1 9.3, 11, 13.5, 17
4 100-110 3 Full BF 700 10094 5.8 9.3, 11, 13.5, 17
100-110 3 Standard BF 400 5768 17.8 9.3, 11, 13.5, 17
6 150-160-180 3 Full BF 1800 25957 6.1 9.3, 11, 13.5, 17
125-160 3 Standard BF 900 12978 24.3 9.3, 11, 13.5, 17
8 225 2 Full BF 3650 52633 5.5 11, 13.5, 17
225 3 Standard BF 1350 19467 40.3 9.3, 11, 13.5, 17
12 315 3 Full BF 7000 73542 10.6 11, 13.5, 17
14 355 3 Full BF - - - 9.3, 11, 13.5, 17
355 3 Standard BF - - - 9.3, 11, 13.5, 17
16 400 3 Full BF 9669 123171 - 9.3, 11, 13.5, 17
400 3 Standard BF - - - 9.3, 11, 13.5, 17
  • *Note: CV in US gal/min @ 1 psi Δ P KV in litres/min @ 1 bar Δ P
  • *Butt Fusion | ** Socket Fusion | † Polyvalve II™ (C-Style) Valves

Dimension Data

Metric Valve

ANSI Valve Dimensions

Size Port A B C D E Weight(kg)
1/2 Full 10.0 3.4 4.8 2.8 0.50 1.2
3/4 Full 10.0 3.4 4.8 2.8 0.75 1.2
1 Standard 10.0 3.4 4.8 2.8 0.90 1.2
1-1/4 Full 13.0 4.5 6.5 3.7 1.30 3.1
Standard 10.0 3.4 4.8 2.8 0.90 1.2
1-1/2 Full 13.0 4.5 6.5 3.7 1.30 3.1
2 Full 14.7 6.4 9.1 4.2 1.82 3.8
Standard 13.0 4.5 6.5 3.7 1.30 3.1
3 Full 15.0 8.0 11.4 3.5 2.50 8.9
Standard 12.8 6.4 9.1 3.6 1.95 4.5
4 Full 20.0 10.4 15.0 3.1 3.62 19.5
Standard 15.0 8.0 11.4 3.8 2.50 8.9
6 Full 21.0 12.6 18.6 3.9 5.20 38.0
Standard 20.0 10.4 15.0 5.3 3.62 23.0
8 Full 29.0 12.5 19.9 7.0 6.60 98.0
Standard 20.0 12.6 18.6 4.5 4.78 42.5
Gear Operated
8 Full 69.8 14.8 22.2 24.0 6.6 134
10 Full 55.25 17.5 27.7 15.75 10.0 251
12 Full 83.8 17.5 27.7 30.0 10.0 305
14 Full 88.3 20.2 32.6 28.0 11.5 365.0
Standard 55.25 17.5 27.7 15.75 10.0 261
16 Full 88.3 20.2 32.6 28.0 11.5 365
Standard 55.25 17.5 27.7 15.75 10.0 275
ANSI Valve

Metric Valve Dimensions

Size Port A B C D E Weight(kg)
16-20 Full 254 86 122 71 12.7 0.5
25 Full 254 86 122 71 19.1 0.5
32 Standard 254 86 122 71 22.9 0.5
40 Full 330 115 165 94 33.0 1.4
Standard 254 86 122 71 22.9 0.5
50 Full 330 115 165 94 33.0 1.4
55-63 Full 373 164 231 106 46.2 1.7
50-63 Standard 330 115 165 94 33.0 1.4
90 Full 381 203 290 89 63.5 4.0
Standard 325 164 231 91 48.0 2.0
100-110-125 Full 508 264 381 77 91.9 8.8
Standard 381 203 290 95 63.5 4.0
150-160 & 180 Full 533 320 472 99 132.1 17.2
160 Standard 508 263 381 133 91.9 10.4
200-225 Full 737 318 504 610 168 44.5
Standard 508 320 472 102 121.4 19.3
Gear Operated
225 Full 1773 376 564 610 169 60
250-280 Full 1403 445 704 400 254 113
315 Full 2129 443 704 762 251.7 138
355 Full 2243 513 828 711 292 165
Standard 1403 445 704 400 254 118
400 Full 2243 513 828 711 292 165.6
Standard 1403 445 704 400 254 124.7
  • *Note: Valves are generally available in these metric sizes and may be available in other metric dimensions. Due to wall thickness considerations, all SDRs in some sizes may not be available. Contact your Polyvalve representative for exact availability.
  • *Note: Polyvalve proudly offers pup lengths to customer specifications.