| Valve Type ID | 71253804-28cc-4806-9583-a09d9c90e0d4 |
|---|---|
| Size Range | DN600-DN3000 |
| Pressure Rating | PN40.0-PN240.0 |
| Temperature Range | -100°C to 300°C |
| Body Material | cast iron |
| Trim Material | alloy steel |
| Seal Material | NBR |
| Stem Material | duplex steel |
| End Connection | wafer |
| Standard | JB |
| Operation Method | electro-hydraulic |
| Flow Coefficient (Cv) | 266.24 |
| Leak Rate | ANSI Class VI |
| Applicable Media | steam |
| Applications | steam |
| Industry Tags | marine |
| Test Pressure | 127 |
| Design Pressure | 240 |
| Design Standard | JB |
| Design Temperature | 300 |
| Body Material Grade | WCB |
| Weight (kg) | 428 |
Butterfly valves are quarter-turn valves valued for compact, lightweight construction and economy at large diameters. Selection considers disc/liner material compatibility, seating type (concentric, double-offset, triple-offset), pressure class, and face-to-face standard. They suit moderate-pressure on/off and some throttling duties.
Q: What is a butterfly valve used for?
A: Butterfly valves are used for on/off isolation and moderate throttling, especially in large-diameter water, HVAC, and process lines where weight and cost matter.
Q: Which standards govern butterfly valves?
A: Common references include API 609, ISO 5752, MSS SP-67, and AWWA C504 for water service.
Guidance reflects general engineering practice for butterfly valves; confirm against the project specification and applicable standards before procurement.
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