Size Range: DN50-DN1000
Material: Carbon Steel, Stainless Steel
Connection Options:Flanged
Working Pressure: 1.0 ~ 4.0Mpa
Working Temperature:-29°C to 300°C
Sealing Options:EPDM, PTFE, Metal-to-Metal, NBR, FKM
Manufacturing Method:Cast, Forged, Machined
Applicable Medium:Water, Oil, Gas, Air, Chemical Fluids
Manufacturing Standard:API 609, ASME B16.47, MSS-SP-67, BS EN 593, ISO 5752
The lug butterfly valve is a versatile, quarter-turn valve designed for on/off flow control in pipelines. Featuring a lug-style body, it can be installed between flanges and allows for easy removal from one side without disturbing the other, making it ideal for systems that require frequent maintenance or isolation. The valve is lightweight and compact, offering efficient space utilization. It is available in various materials, suitable for handling a wide range of media, including water, gas, and certain chemicals, and is commonly used in industrial, HVAC, and water treatment applications.
| Item | Specification |
|---|---|
| Model | D373H-10C/ D373H-10P/ D373Y-10C/ D373Y-10P |
| Working Pressure (MPa) | 1.0 ~ 4.0 |
| Applicable Temperature (℃) | ≤ 300 |
| Suitable Media | Water, oil, steam, etc. |
| Body & Disc Material | Cast steel / Austenitic stainless steel |
| Valve Stem Material | 40Cr / Austenitic stainless steel |
| Sealing Surface Matching Material | Stainless steel / Stainless steel |
| Packing | Flexible graphite / Teflon |
| Item | Part Name | Material | Item | Part Name | Material |
|---|---|---|---|---|---|
| 1 | Body | A216 WCB | 11 | Gland Nut | A194 2H |
| 2 | Stem Ring | SS + Graphite / PTFE | 12 | Eyebolt | A193 B7 |
| 3 | Pin | A276 410 | 13 | Cover Bolt | A193 B7 |
| 4 | Disc | A216 WCB | 14 | Gasket | SS304 / SS316 + Graphite |
| 5 | Screw | Carbon Steel | 15 | Splint Collar | Carbon Steel |
| 6 | Seat Gland | Carbon Steel | 16 | Cover | A216 WCB |
| 7 | Stem | A182 F6A | 17 | Yoke Bolt | A193 B7 |
| 8 | Packing | Graphite / PTFE | 18 | Yoke Nut | A194 2H |
| 9 | Gland Flange | A216 WCB | 19 | Bolt | Carbon Steel |
| 10 | Yoke | A216 WCB | 20 | Gear | Assembly |
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