Ductile Iron Disc EPDM Seat Wafer Butterfly Valve with Gear Operator
Debug · supplier source (internal only)
Specifications
Confirmed at quote- Size Range
- DN50-DN1000
- Pressure Class
- PN10/PN16
- Standards
- API 609, ANSI 16.34, JIS B2064, GB/T 12238, DIN 3202, ISO 5752, BS 5155, API 598, ISO 5211, DIN 2501 PN10/16, ANSI 125/150/300, BS 4504, JIS 10K
- End connection
- Wafer
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
- 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
Actuation options
Approvals
Features
- Wafer-type body installed between flanges to save space and reduce system weight
- Ductile iron disc provides structural strength
- Gear operator enables smooth and controlled opening and closing
- Multiple body material options: cast iron, ductile iron, carbon steel, stainless steel
- Multiple seat material options: EPDM, NBR, PTFE, Viton, Hypalon
- Wafer-style body with gearbox (worm gear) actuator
- Concentric disc design
- Rubber-lined body seat
- Stainless steel disc (marked 'DI' and grade references visible on disc)
- Dual-flange bolt pattern compatible with PN10, PN16, ANSI 150, and JIS 10K flanges
- ISO 5211 top flange for actuator mounting
- Upper and lower stem/shaft arrangement (items 1–7 visible in sectional diagram)
Notes
- Diagram: Sectional/dimensional drawing showing wafer butterfly valve in front and side cross-section views with labelled dimensions: C (face-to-face), d0 (disc/bore diameter), K (bolt circle), E (flange bolt circle inner), g (top flange bore diameter), h (top flange thickness), p (bolt-hole pitch), z-Ød (bolt count and diameter), ØE, ØK, ØD1, n-Ød1. Parts numbered 1–7 identifying internal components (lower stem bush, body, disc, seat/liner, upper stem, top flange, sealing/packing).
Description
A wafer-type butterfly valve with a ductile iron disc and EPDM seat, fitted with a gear operator for controlled operation in medium to large diameters. The body is available in cast iron, ductile iron, carbon steel, or stainless steel. Designed for shut-off service in water supply, wastewater, cooling, and building services pipelines.
Smart find
Searches our product catalogue using your spec. Drop a PDF — or multiple PDFs at once — paste a description or a part number and we'll find the closest matches for each. Anything we can't match goes to your RFQ as a custom enquiry for our team to source.Related Butterfly Valves
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- Size
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- Pressure
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- Body
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- Standards
- API 609, MSS SP-67
Adds to your quote request — not a purchase. Refine size, pressure and material before submitting.
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Adds to your quote request — not a purchase. Refine size, pressure and material before submitting.
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Adds to your quote request — not a purchase. Refine size, pressure and material before submitting.
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Adds to your quote request — not a purchase. Refine size, pressure and material before submitting.