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WILKINS Model 350 Double Detector Check Valve Back Flow Device

VBF-DDC-(size DN)

  • Size Range: DN65 to DN300
  • Max. Working Water Pressure: 1250 kPa
  • Min. Working Water Temperature: 60 Degree C
  • Hydrostatic Test Pressure
  • End Connections: Grooved For Steel Pipe, Flanged

Specification Sheetspdf-icon

Instructionsi-icon

Approvals & Certificationstick

  • Approval TBA
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Description

WILKINS Model 350 Double Detector Check Valve Back Flow Device Materials

Main Valve Body Ductile Iron ASTM A 536 Grade 4
Access Covers Ductile Iron ASTM A 536 Grade 4
Coatings FDA Approved Fusion Epoxy Finish
Internals Stainless Steel, 30 SeriesNORYLâ„¢, NSF Listed
Fasteners Stainless Steel 300 Series
Seal Ring EPCM (FDA Approved)
O-Ring Buna Nitrile (FDA Approved)
Springs Stainless Steel, 300 Series

WILKINS Model 350 Double Detector Check Valve Back Flow Device Dimensions

SizeDN Dimensions mm Weight kg
A B Less Gate Valves C D E OS&Y OPEN E OS&Y CLOSED E NRS GATE F G Without Gate Valves With NRS Gate Valves With OS&Y Gate Valves
65 791 403 95 184 416 352 289 89 1048 24.1 70.4 74
80 816 403 95 184 479 397 314 89 1086 24.1 80.4 83
100 956 495 114 203 578 464 375 152 1340 41.3 123 127.6
150 1137 597 152 254 765 603 483 178 1594 74.9 203.8 211
200 1543 959 254 279 959 743 572 216 2159 162.5 367.7 378.6
250 1619 959 254 279 1162 899 673 216 2369 176.2 521.2 547.5
300 1683 965 254 305 1349 1032 762 229 n/a 202.8 677.2 729