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Butterfly Valve

Cast Iron Wafer Butterfly Valve

Datasheet

Download datasheet (PDF)

Specifications are indicative. Final specification is confirmed at quotation.

Specifications

Confirmed at quote
Size Range
DN50-DN1000
Pressure Class
PN10 / Class 300
Standards
API609, ANSI16.34, JISB2064, GB T12238, DIN3202, ISO5752, BS5155, API598, ISO5211, DIN2501 PN10/16, ANSI 125/150/300, BS4504, JIS10K
End connection
Wafer DIN2501 · Wafer ANSI · Wafer BS4504 · Wafer JIS
Operating temperature
-10°C to +120°C

Available sizes

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

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
bushing
o ring
pin

Operating media

Chemicalsairwatersteamoilacidssalts

Actuation options

manual levermanual gearboxpneumatic actuatorelectric actuator

Approvals

LR (Lloyd's Register)ECM (Ente Certificazione Macchine)ISOEACCEBureau VeritasACS (Attestation de Conformité Sanitaire)WRAS Approved Product

Features

  • Compact wafer-type body for installation between flanges
  • Low operating torque
  • Tight sealing mechanism for shut-off and flow regulation
  • Top flange to ISO5211 for actuator mounting
  • Multiple body, seat, disc, and stem material options
  • Wafer-style butterfly valve with lever-lock handle
  • Rubber-lined body with stainless steel disc
  • Bottom shaft stub visible (double-stub shaft configuration)
  • Bolt-through lug pattern with 4-bolt configuration on smaller sizes
  • Parts labelled 1-7 in sectional drawing: (1) bottom shaft, (2) body/seat liner, (3) disc, (4) body, (5) upper shaft, (6) packing/gland, (7) top plate/actuator mounting
  • Dimension references: C = face-to-face, d0 = shaft diameter, K = ISO 5211 actuator bolt circle, E = actuator bolt hole spacing, z-d = actuator bolt count and diameter, g = actuator flange diameter, h = top flange height, p = bottom shaft stub length, D1 = flange bolt circle diameter, n-Ød1 = bolt count and hole diameter
  • Flange drilling to PN10, PN16, ANSI 150, JIS 10K

Notes

  • Can be customised to meet specific project requirements
  • Header listing states DN50–DN1200; specification table states DN50–DN1000
  • Diagram: Sectional cross-section view of wafer butterfly valve showing 7 numbered components with dimensional callouts: Ød0 (shaft diameter), Ødg (top flange diameter), h (top flange height), C (face-to-face length), ØE and ØK (actuator mounting bolt circle), z-Ød (bolt holes), p (bottom stub length)
  • Diagram: Front elevation and plan view showing ØD1 (flange bolt circle) and n-Ød1 (bolt count/diameter)
  • Diagram: Bottom view showing dimension b (bottom flange)

Description

A wafer-type butterfly valve with a cast iron body designed for installation between flanges. Available in multiple body, disc, seat, and stem material combinations to suit a range of media. Suitable for water supply, HVAC, industrial circulation, and wastewater treatment applications.

Available pressure classes

Pressure classes this product is rated to.

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