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Butterfly Valve

Rubber lined butetrfly valve

Debug · supplier source (internal only)

Specifications

Confirmed at quote
Size Range
DN300-DN3600
Pressure Class
PN6/PN40
Standards
BS EN593, AWWA C504, API 609, EN558-1/ISO5752 series 14, EN558-1/ISO5752 series 13, ISO 8501, ISO 8503, EN ISO 12944-2
Face-to-face
EN558-1/ISO5752 Series 14 or Series 13, AWWA C504

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
Pressure

Materials

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

body
disc
seat
stem
shaft
o ring
Body lining
connection flange
Disc seal ring
disc seal ring
end cover
fasteners
internal lining
key
packing gland
pin
retainer ring
Shaft
shaft bearing

Operating media

sewagechemical fluidsseawaterdesalination process fluidscorrosive fluids

Coatings

Epoxy zinc-rich primer 60μm + Epoxy micaceous iron intermediate paint 120μm + Acrylic polyurethane finish paint 60μm (DFT 240μm)Epoxy glass flake primer 80μm + Epoxy glass flake paint two layer 160μm (DFT 240μm)Ebonite (vulcanized rubber) internal lining 3mm or 5mm

Approvals

EN1092 / ISO7005 (flange connection)EN558-1 / ISO5752 series 13 or 14 (face-to-face length)ISO 5210 (gearbox/actuator flange connection)WRAS (Water Regulations Advisory Scheme) approval indicated

Features

  • Ebonite lining thickness 3 mm or 5 mm forming a continuous covering layer isolating ferrous substrate from service medium
  • Substrate sand-blasted to cleanliness Sa 2.5 per ISO 8501 and roughness medium G per ISO 8503 prior to lining
  • Ebonite vulcanisation processed with hot air or steam in vulcanisation kettle
  • Lining quality verified by visual inspection, electric spark detection (holidays/pinholes/cracks), adhesion test and hardness test
  • Ebonite hardness Shore D 75±5
  • Eccentric disc design
  • Replaceable disc seal ring
  • All internal and external fasteners in stainless steel grade 316L or duplex stainless steel
  • Suitable for installation in vertical or horizontal position
  • Lifting eye/lifting hook provided for vertical or horizontal lifting
  • Disc fully vulcanised with natural hard rubber
  • Body fully vulcanised with natural hard rubber
  • L-profiled disc seal ring fixed by retainer; bi-directional sealing; replaceable without special tools
  • Dry shaft design to prevent corrosion from service medium
  • Gearbox equipped with ISO 5210 flange connection for actuator; F10 standard specified
  • Multiple shaft O-rings for sealing; adjustable and replaceable
  • Streamlined low-profile disc for reduced flow resistance
  • Low-torque gearbox; operable by handwheel or actuator

Notes

  • Other Material are available on request
  • Diagram: Index 3: Cutaway sectional diagram of double-flanged butterfly valve with gearbox operator, identifying 8 numbered parts: 1-Flange, 2-Disc, 3-Disc seal ring, 4-Body, 5-Shaft seal ring, 6-Shaft, 7-Gearbox, 8-Top flange. WRAS approval mark visible.
  • Diagram: Index 5: Annotated cutaway sectional diagram of double-flanged butterfly valve with handwheel gearbox, with callouts describing flange standard (EN1092/ISO7005), face-to-face standard (EN558-1/ISO5752 series 13 or 14), disc rubber vulcanisation, dry shaft design, ISO 5210 gearbox flange, L-profiled seal ring, multiple shaft O-rings, low-torque gearbox, streamlined disc, and rubber-lined body.

Description

Rubber lined butetrfly valve Brief description: Rubber lined Butterfly Valve, internally with ebonite lining of thickness 3mm or 5mm, widely applied in the sewage, chemical industry, sea water treatment and desalinization project etc. Design standard: BS EN593, AWWA C504, API 609 Face to face length: EN558-1/ISO5752 series 14 or Series 13, AWWA C504 Size: DN300 DN3600/12 -144 Pressure rating:PN6- PN10-PN16-PN25-PN40/75psi-150psi-250psi-350psi-580psi SEND INQUIRY CHAT NOW Product Detail FAQ Product Tags Product description All the rubber lined butterfly valves of high reliability, robust design in accordance to the worst prevailing ambient conditions. Ebonite lining: has good chemical stability, excellent chemical corrosion resistance and organic solvent resistance, low water absorption, hi

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