Metal Seated Eccentric Butterfly Valve
Model: D671H-150Lb-16 inch
Debug · supplier source (internal only)
Specifications
Confirmed at quote- Size Range
- DN50, DN65, DN80, DN100, DN125, DN150...
- Pressure Class
- Class 150
- Standards
- BS 1868, API 609, ASME B16.10, API 6D, API 598, ASME B16.34, MSS SP-55, MSS SP-25
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
Dimensions per size(14 sizes)
| Size | L | D1 | n-M | Weight |
|---|---|---|---|---|
| DN50 | 43 mm | 125 mm | 4-M16 | — |
| DN65 | 46 mm | 145 mm | 4-M16 | — |
| DN80 | 64 mm | 160 mm | 8-M16 | — |
| DN100 | 64 mm | 180 mm | 8-M16 | — |
| DN125 | 70 mm | 210 mm | 8-M16 | — |
| DN150 | 76 mm | 240 mm | 8-M20 | — |
| DN200 | 89 mm | 295 mm | 12-M20 | — |
| DN250 | 114 mm | 355 mm | 12-M24 | — |
| DN300 | 114 mm | 410 mm | 12-M24 | — |
| DN350 | 127 mm | 470 mm | 16-M24 | — |
| DN400 | 140 mm | 525 mm | 16-M27 | — |
| DN450 | 152 mm | 585 mm | 20-M27 | — |
| DN500 | 152 mm | 650 mm | 20-M30 | — |
| DN600 | 154 mm | 770 mm | 20-M33 | — |
Actuation options
Approvals
Features
- Triple eccentric / offset disc design minimises wear during operation
- Metal-to-metal seating
- Quarter-turn operation
- Multiple body material options including carbon steel, stainless steel, alloy steel, super duplex, aluminium bronze, Monel, Inconel, Hastelloy, and Incoloy
- Corrosion-resistant coating options
- Triple-offset (triple eccentric) disc geometry
- Flanged body with raised-face flanges
- Gearbox (worm gear) actuator fitted as standard shown
- Multi-level seal packing collar on disc/body seating area
- Clamp-retained seat arrangement
- Separate clamp component securing seat packing collar
- Body and disc identified as distinct sealing components in sectional callout
- Part numbering 1–12 visible on sectional diagram (detail not fully legible)
- Dimension references: L (face-to-face), DN (nominal bore), D1 (bolt circle diameter), n-M (number and size of flange bolts)
- Metal-to-metal seat configuration visible in product photos
- Available in multiple finish/material variants: blue-painted ductile iron/cast iron body with bronze disc (index 0); stainless steel body and disc (index 1 and 2); red-painted body (index 3); bare stainless/carbon steel (index 4 and 5)
Notes
- Diagram: Sectional/assembly drawing of a triple-offset flanged butterfly valve showing: front elevation with flange bolt pattern (n-M holes on D1 bolt circle), side cross-section with DN bore dimension and face-to-face dimension L, parts list callouts numbered 1–12 (handwheel/gearbox=1, gearbox housing=2, stem/shaft components=3–6, body=7–10 area), and enlarged detail section 'A' showing disc, body, clamp, and multi-level seal packing collar arrangement
Description
A triple eccentric butterfly valve with metal-to-metal seating, designed for high-temperature, abrasive, and high-pressure applications. Features an offset disc geometry that minimises wear during operation. Available in multiple body materials including carbon steel, stainless steel, and various alloys.
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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Adds to your quote request — not a purchase. Refine size, pressure and material before submitting.