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Check Valve

Aluminium Bronze Dual Plate Wafer Type Check Valve

Debug Β· supplier source (internal only)

Supplier product page β†—EFC datasheet PDF β†—supplier: watts Β· ref: 238

Specifications

Confirmed at quote
Size Range
2"-32"
Pressure Class
PN10 / JIS 5K / ANSI 125/PN16 / JIS 10K / ANSI 150
Standards
EN 558, API 594, BS EN 12334
End connection
Wafer type

Available pressure classes

Pressure classes this product is rated to.

PN10PN16

Configure your variant(manually adjust box on the right if you require a different spec)

Size
Pressure
End connection

Materials

All available material options per part. Click a pill to set it in the configurator.

body
disc
seat
stem
Dimensions per size(16 sizes)
SizeBEDIN_PN10_16ANSI_150JIS_10KWeight
2" / DN5043 mm66 mm107 mm102 mm101 mmβ€”
2-1/2" / DN6546 mm86 mm127 mm121 mm121 mmβ€”
3" / DN8064 mm95 mm142 mm133 mm131 mmβ€”
4" / DN10064 mm118 mm162 mm171 mm156 mmβ€”
5" / DN12570 mm146 mm192 mm193 mm187 mmβ€”
6" / DN15076 mm174 mm218 mm219 mm217 mmβ€”
8" / DN20089 mm225 mm273 mm276 mm267 mmβ€”
10" / DN250114 mm266 mm328 mm336 mm330 mmβ€”
12" / DN300114 mm311 mm378/382 mm406 mm375 mmβ€”
14" / DN350127 mm361 mm438/442 mm448 mm420 mmβ€”
16" / DN400140 mm411 mm488/495 mm511 mm483 mmβ€”
18" / DN450152 mm451 mm538/555 mm546 mm538 mmβ€”
20" / DN500152 mm506 mm592/617 mm603 mm593 mmβ€”
24" / DN600178 mm625 mm695/734 mm714 mm697 mmβ€”
28" / DN700229 mm721 mm809 mm828 mm807 mmβ€”
32" / DN800241 mm826 mm916 mm936 mm917 mmβ€”

Operating media

Fresh waterSewageSea waterAirVapourFoodMedicineOilsAcidsAlkalis

Approvals

LR (Lloyd's Register) approvedECM certifiedISOEACCE markedBureau Veritas certifiedACS (Attestation de ConformitΓ© Sanitaire)WRAS Approved Product

Features

  • Spring-loaded dual-plate design for rapid closure on flow reversal
  • Low pressure drop
  • Reduced water hammer in sensitive pipelines
  • Supports horizontal and vertical upward flow installation
  • Wafer construction for installation between standard flanges
  • Dual-plate (split-disc) wafer check valve construction
  • Central hinge pin/shaft with coil spring mechanism
  • Four retaining/stop clips on hinge bar
  • Elastomer seat lining (shown in blue) bonded to body bore
  • Lifting eye bolt at top of body (part 1)
  • Wafer-style body suitable for sandwiching between flanges
  • Dimensions referenced: ØA (overall outer diameter), ØE (bore/seat diameter), B (face-to-face length)
  • Flow direction indicated on sectional drawing

Notes

  • Seat materials: EPDM, VITON, NBR etc.
  • Diagram: Front elevation and Section A-A of a dual-plate wafer check valve. Front view shows 10 numbered parts with leaders: (1) lifting eye bolt, (2) hinge pin/shaft top, (3) spring, (4) hinge pin/shaft bottom, (5) disc/plate, (6) seat/liner (blue), (7) disc/plate, (8) body, (9) seat/liner (blue), (10) body profile in section. Section A-A shows face-to-face dimension B, outer diameter ØA, bore diameter ØE, and flow direction arrow.

Description

A dual-plate wafer-type check valve with an aluminium bronze body and Monel disc and stem, designed for backflow prevention in systems handling corrosive media such as seawater, brine, or chemical solutions. Two spring-loaded plates open under forward flow and close rapidly upon flow reversal to prevent water hammer and back-pressure damage. The wafer construction allows installation between standard flanges and supports both horizontal and vertical upward flow orientations.

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Aluminium Bronze Dual Plate Wafer Type Check Valve | Euro Flow Control