Wafer Butterfly Valve
Specifications
Confirmed at quote- Size Range
- NPS 3" to 12" (DN80 to DN300)
- Pressure Class
- 200 PSI (PN16)
- Standards
- ISO 5211
- End connection
- Wafer
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
- o ring
- retainer ring
Dimensions per size(7 sizes)
| Size | F | G | H | I | J | K | L | M | N | O | P | Q | R | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NPS 3" / DN80 | 1.86 inch | 4.88 inch | 8.19 inch | 5.38 inch | 4 inch | 3.25 inch | 0.408 inch | 4.91 inch | 3/8 inch | 6 | 1 inch | 0.44 inch | 0.51 inch | — |
| NPS 4" / DN100 | 2.11 inch | 6 inch | 9.88 inch | 6.88 inch | 4 inch | 3.25 inch | 0.408 inch | 7.03 inch | 1/2 inch | 6 | 1 inch | 0.44 inch | 0.63 inch | — |
| NPS 5" / DN125 | 2.14 inch | 6 inch | 11.1 inch | 8.1 inch | 4 inch | 3.25 inch | 0.408 inch | 8.44 inch | 1/2 inch | 8 | 1 inch | 0.55 inch | 0.62 inch | — |
| NPS 6" / DN150 | 2.2 inch | 6.5 inch | 11.75 inch | 8.75 inch | 4 inch | 3.25 inch | 0.408 inch | 9.16 inch | 1/2 inch | 8 | 1.25 inch | 0.44 inch | 0.75 inch | — |
| NPS 8" / DN200 | 2.4 inch | 8.2 inch | 14.5 inch | 11 inch | 6 inch | 5 inch | 0.533 inch | 11.72 inch | 5/8 inch | 8 | 1.7 inch | 0.65 inch | 0.87 inch | — |
| NPS 10" / DN250 | 2.65 inch | 9.97 inch | 18 inch | 13.38 inch | 6 inch | 5 inch | 0.533 inch | 13.72 inch | 5/8 inch | 8 | 1.8 inch | 0.56 inch | 1.14 inch | — |
| NPS 12" / DN300 | 3.24 inch | 10.91 inch | 20.41 inch | 16.12 inch | 6 inch | 5 inch | 0.533 inch | 16.62 inch | 1/2 inch | 12 | 1.38 inch | 0.56 inch | 1.26 inch | — |
Operating torque(6 sizes)
| Size | 200 PSI (13.8 bar) | 50 PSI (3.4 bar) | ||
|---|---|---|---|---|
| N·m | in·lb | N·m | in·lb | |
| NPS 3" / DN80 | 34 | 300 | 22 | 195 |
| NPS 4" / DN100 | 51 | 450 | 31 | 270 |
| NPS 6" / DN150 | 102 | 900 | 62 | 550 |
| NPS 8" / DN200 | 169 | 1500 | 113 | 1000 |
| NPS 10" / DN250 | 301 | 2660 | 203 | 1800 |
| NPS 12" / DN300 | 508 | 4500 | 395 | 3500 |
Wet opening torque, indicative. Size the actuator with margin and confirm at quotation. Source values in in·lb shown for reference.
Features
- Ten-position lever handle for precise throttling
- One-piece phenolic-backed controlled-torque elastomer seat for tight shut-off
- Split-stem design self-centres the disc around the seat
- External grease fitting for long-term effortless operation
- Gear, pneumatic or electric actuation available
- ATEX (Ex) version available; certification to be confirmed for this build
Description
Resilient-seated wafer butterfly valve for mounting between flanges. One-piece phenolic-backed elastomer seat, split-stem self-centring disc and external grease fitting for smooth long-term operation. Ten-position lever throttling, with gear, pneumatic or electric actuation available. Sizes NPS 3 to 12. Disc and seat material options (aluminium bronze, nickel-plated or nylon-coated ductile iron, 316 stainless or Hastelloy C disc; EPDM, Buna-N, Hypalon, PTFE or Viton seat) allow selection for hydrocarbon and oilfield service such as diesel fuel and brine.
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.
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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.