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Check Valve

Tilting Disc Check Valve

Datasheet

Download datasheet (PDF)

Specifications are indicative. Final specification is confirmed at quotation.

Specifications

Confirmed at quote
Size Range
DN200 to DN1600
Pressure Class
PN10, PN16, PN25
End connection
Flanged

Standards

Design & manufacture
EN 12334, BS EN 12334, EN 558-1
Inspection & test
EN 12266-1 Class A, EN 1074
Face to face
EN 558 series 14
Flange & end dimension
EN 1092-2, BS 4504

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
Shaft
O-Ring
Bearing
Bearing Bush
Bolt
Counterweight
Disc Seal Ring
End Cover
Key
Lever
Pin
Retainer Ring
Seal Bush

Operating media

WaterNeutral liquids

Typical applications

  • Pump discharge in piping systems
  • Main transmission pipelines
  • Irrigation systems
  • Fire fighting

Coatings

FBE (Fusion Bonded Epoxy), minimum 250 microns

Approvals

EN12334 (design standard)EN558-1 series 14 (face to face length)ISO 5752 series 14 (face to face length)DIN 3202 F4 (face to face length)EN1092-2 (flange dimensions and drilling)ISO 7005-2 (flange dimensions and drilling)

Features

  • Double eccentric disc design
  • Rubber-to-metal sealing system
  • Two-step closing action: quick action and slow action
  • Prevents reverse flow and water hammer on pump stoppage
  • Replaceable disc seal ring and shaft O-rings; no special tools required
  • Metal seal ring on body for extended service life
  • Self-lubricating shaft bearing
  • Large eccentricity for quick closing
  • Shaft protrudes both sides of body for lever and counterweight mounting
  • Adjustable counterweight to adapt to individual working conditions
  • Vertical and horizontal pipeline installation supported
  • Short body, compact volume
  • Automatically operated; no external power unit required
  • Size range: DN100 to DN2000
  • Pressure range: PN10 to PN16
  • Coating: fusion bonded epoxy, minimum thickness ≥250 micron
  • Suitable medium: water and low-corrosive liquids
  • Suitable temperature: -10 to 80°C
  • Large eccentric disc design providing large opening degree
  • T-profiled disc seal ring fixed by retainer, bi-directional sealing, tool-free replacement
  • Stainless steel base with PTFE bearing for free operation without seizure
  • Multiple shaft O-rings for long-life shaft sealing
  • Streamlined low-profile disc for reduced flow resistance
  • Stainless steel welded and finished body seat
  • Disc opens to 45° to pipe axis
  • Counterweight and lever arrangement for controlled closing

Description

A double-eccentric tilting disc check valve with rubber-to-metal sealing, designed for pump discharge applications. The valve opens by media flow pressure and closes by disc dead-weight and back-flow pressure, with optional external counterweight and hydraulic damper for two-step quick/slow closing action. Available in ductile iron body with fusion bonded epoxy coating, sized DN200 to DN1600 at pressures up to PN25.

Selection notes

This check valve is a tilting disc, swing and butterfly pattern, supplied for flanged installation.

Sizes run DN200 to DN1600, in PN10, PN16, PN25.

The body is offered in GJS500-7 (GGG50) and GJS400-15 (GGG40), so the grade can be matched to the service rather than the other way round.

Seat and trim options are EPDM and NBR. The seat, not the body, usually sets the temperature and medium limit, so confirm it against the service before ordering.

Stated service media include water and neutral liquids.

It is catalogued for Water & Wastewater and Industrial Process.

Built to EN12334, BS EN12334, EN558-1, EN558 series 14 and EN 12266-1 Class A.

Supplier remarks

  • Other size and pressure are available as special request
  • Other materials are available as special request
  • The external hydraulic damper is available as special request, or individual working conditions

Available pressure classes

Pressure classes this product is rated to.

PN10PN16PN25

Used in

Water & WastewaterIndustrial Process

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