Double plate Flange Check Valve

Size Range

DN50-DN1000

Pressure Class

PN10/PN40

Standards

API 594, API 598, ANSI, ASTM

End connection

Flanged (EN 1092-1)

Operating temperature

-20°C to +200°C

Available sizes

Standard DN sizes covered by this product. Confirmed at quote.

Available pressure classes

Pressure classes this product is rated to.

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

Size

DN50 (2")DN65 (2 1/2")DN80 (3")DN100 (4")DN125 (5")DN150 (6")DN200 (8")DN250 (10")DN300 (12")DN350 (14")DN400 (16")DN450 (18")DN500 (20")DN600 (24")DN700 (28")DN800 (32")DN900 (36")DN1000 (40")

Pressure

PN10PN16PN25PN40

End connection

Flanged DIN PN10Flanged DIN PN16Flanged DIN PN25Flanged ANSIFlanged JIS

Materials

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

body

CIDICarbon SteelStainless Steel

disc

DICarbon SteelStainless Steel

seat

NBREPDMVitonNeoprene

stem

SS304

spring

Ss304

body bearing

PTFE

body seat

NBREPDMVitonNeoprene

eye bolt

Carbon Steel

hinge pin

Ss304

plate

DICarbon SteelStainless Steel

plug

Carbon Steel

spring bearing

PTFE

stop pin

Ss304

Operating media

Actuation options

Approvals

Features

• Dual-plate spring-loaded design providing low cracking pressure
• Flange body design with relatively short face-to-face dimension
• Non-slam closing action minimises water hammer and vibration
• Supports horizontal and vertical (upward flow) installation
• Retainerless wafer style construction
• Each valve tested to API 598 prior to shipment
• Double-door (dual-plate) wafer check valve design
• Flanged body with bolt-hole pattern for PN10 and PN16 flange drilling
• Spring-loaded disc return mechanism visible in sectional diagram
• Part 1: disc (lower half)
• Part 2: spring/hinge pin assembly
• Part 3: upper disc
• Part 4: hinge pin
• Part 5: body
• Part 6: seat/seal ring
• Part 7: body flange face (front view)
• Dimensions shown: L (face-to-face), D (flange OD), D1 (bolt circle diameter), D2 (bore/inner diameter), z-d (number of bolt holes and hole diameter)
• Disc material variant visible: rubber-lined discs (images 0-1) and stainless steel discs marked CF8M (image 2)

Notes

• Custom coatings, materials, and pressure ratings available to match specific project requirements.
• Sizes available from DN50 to DN600 or more.
• Operating mode options: manual, worm gear, pneumatic, electric, etc.
• Diagram: Sectional cross-section and front-face drawing of a double-door wafer check valve showing part call-outs (1–7) and key dimension references: L (face-to-face length), D (flange OD), D2 (bore diameter), D1 (bolt circle diameter), z-d (bolt hole count and diameter)

Description

Double plate Flange Check Valve Facebook Twitter LinkedIn Double plate Flange Check Valve The double-disc wafer body check valve adopts a flange body design and has a relatively short face-to-face dimension. Double disc spring loaded to provide low cracking pressure. Every Wafer Style Double Door Check Valve with Retainerless Valve that we ship is tested to API 598 and must meet or exceed all applicable API, ANSI and ASTM standards. Send Quality Assurance We have a dedicated quality control team and advanced testing equipment to ensure consistent product quality. Timely Delivery With reliable raw material suppliers and streamlined production processes, we guarantee on-time delivery. Excellent After-Sales Service Our team of valve experts provide impeccable after-sales support Certification