10 check valve

6 check valve

8 check valve

a check valve

check valve 8

Seawater Service Dual Disc Check Valve

Seawater Service Dual Disc Check Valve

Valve Type Double Plate Wafer Check Valve (Dual Plate Check Valve)
Nominal Size DN300 (12 inch)
Pressure Rating 150 LB (Class 150)
End Connection Wafer Type (Fits between ASME B16.5 Flanges)
Design Structure Dual Plate / Non-Slam
Medium Water, Oil, Gas, and Mild corrosive media

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Beschrijving

TECHNICAL DATA SHEET

Double Plate Wafer Check Valve

  1. General Information

Item

Specificatie

Kleptype

Double Plate Wafer Check Valve (Dual Plate Check Valve)

Nominale grootte

DN300 (12 inch)

Drukclassificatie

150 LB (Class 150)

End Connection

Wafer Type (Fits between ASME B16.5 Flanges)

Design Structure

Dual Plate / Non-Slam

Medium

Water, Oil, Gas, and Mild corrosive media

Operating Temp.

-20°C to +120°C (-4°F to 248°F)

  1. Bill of Materials (Materials of Construction)

Part Name

Materiaal

Material Standard (ASTM/DIN)

Lichaam

Nodulair gietijzer

ASTM A536 (60-40-18) / DIN GGG-50

Disc (Plate) (x2)

Aluminum Bronze

ASTM B148 (C95800 / C95400) / BS 1400 AB2

Shaft / Pin

Stainless Steel

AISI 304 or AISI 316

Seat (Seal)

EPDM (Ethylene Propylene Diene Monomer)

Excellent resistance to hot water, steam, and dilute acids

Lente

Stainless Steel

AISI 301 or AISI 316

  1. Technical Specifications & Performance

Item

Specificatie

Design Standard

API 594, API 6D, EN 593, BS 5153

Face to Face Dimension

ASME B16.10 / API 594 (Short/Compact pattern)

Flange Drilling Standard

ASME B16.5 (Class 150)

Pressure Test Standard

API 598

Shell Hydrostatic Test

3.0 MPa (435 psi)

Seal Hydrostatic Test

2.2 MPa (319 psi)

Low Pressure Air Test

0.6 MPa (87 psi)

Installation Position

Horizontal or Vertical (Flow direction upward)

Flow Direction

Arrow cast on body (Flow –>)

  1. Dimensional Data (Approximate)

Note: Wafer check valves have a short face-to-face length. The exact “L” dimension can vary slightly by manufacturer. Please verify the final dimension with the approved drawing.

Maat

Face-to-Face Length (L)

Body Outside Diameter (D)

Flange Bolt Circle Dia. (D1)

No. of Bolt Holes & Dia.

DN300 (12″)

73 mm – 83 mm (Typical: 79 mm)

Approx. 340 mm

451 mm (ASME B16.5 150LB)

12 – 25 mm (Φ25)

Important Installation Note:
Ensure the pipeline flanges spread apart to insert this valve. The bolts are long-pass bolts that go through the entire valve body.

  1. Product Features
  1. Compact & Lightweight: The wafer body design significantly reduces weight and installation space compared to traditional swing check valves.
  2. Low Pressure Drop: Streamlined disc design minimizes flow resistance.
  3. Corrosion Resistance: De Aluminum Bronze disc offers superior resistance to corrosion from seawater, chlorides, and various acidic media, making it ideal for harsh environments.
  4. Tight Shut-Off: The combination of a metal disc and an EPDM resilient seat provides bubble-tight sealing.
  5. Non-Slam Performance: Stainless steel springs ensure quick closing of the plates before flow reversal, effectively preventing water hammer.
  1. Inspection & Warranty
  • Valves are pressure tested in accordance with API 598.
  • Marking per MSS SP-25.
  • Free from porosity and structural defects.

If you need to adjust this sheet:

  • Change the seat material (e.g., to Viton® or PTFE).
  • Update specific face-to-face dimensions if provided by the manufacturer.
  • Add torque values or actuator data.

GARANTIE:

SAVVY VALVES streeft naar uitzonderlijke productkwaliteit en zorgeloze aftersalesservice. Onze kleppen hebben een gegarandeerde minimale levensduur van 12 maanden. Gedurende deze periode leveren wij alle benodigde reserveonderdelen en gedetailleerde onderhoudsinstructies gratis. Mocht er binnen de garantieperiode schade ontstaan ​​die niet door mensen is veroorzaakt, dan vervangen wij kosteloos de onderdelen en bieden wij professionele technische ondersteuning. Na de garantieperiode hoeven klanten alleen de kosten van de reserveonderdelen te betalen en profiteren zij nog steeds van kortingen op onderhoudsdiensten. Ons doel is om klanten te helpen de operationele kosten te verlagen en de productie-efficiëntie te verbeteren door middel van betrouwbare kwaliteit en uitgebreide aftersalesservice. Of het nu gaat om technische vragen of onderhoudsbehoeften, ons deskundige team reageert snel om ervoor te zorgen dat uw klepsysteem te allen tijde optimaal blijft presteren.

 

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