API 609 Triple Offset Flanged Butterfly Valve
【Product Overview】
The D343H-600LBC Triple Offset Butterfly Valve is a high-performance valve engineered for high pressure, high temperature, and critical shut-off applications. Designed according to ANSI B16.5 Class 600 flange standards, and manufactured with a carbon steel WCB body, this valve features a metal-to-metal hard seal and triple eccentric structure, ensuring tight shut-off with minimal friction.
This valve is ideal for severe service pipelines involving steam, high-pressure gases, thermal oil, or corrosive media in power plants, oil & gas, chemical, and refining industries.
【Key Features & Specifications】
Item | Description |
Model | D343H-600LBC |
Design Type | Triple Offset (Triple Eccentric) Butterfly Valve |
Body Material | ASTM A216 WCB (Carbon Steel) |
Disc | Stainless Steel (SS304/316) or Hard-faced Alloy Overlay |
Seal Type | Metal-to-metal (laminated or solid seat) |
Pressure Rating | Class 600LB (ANSI B16.5) ≈ PN100 |
Nominal Diameter | 2” – 48” (DN50 – DN1200), customizable |
Connection Type | ANSI B16.5 Class 600 Flanged Ends |
Design Standard | API 609, ASME B16.34, EN 593 (optional) |
Testing Standard | API 598 / ISO 5208 / EN12266 |
Temperature Range | -29°C to +600°C (depending on seat material) |
Operation | Gearbox (standard), optional pneumatic/electric actuator |
【Typical Applications】
Superheated steam pipelines
Oil & gas transportation
Petrochemical plants
Thermal power generation
High-pressure compressed air and nitrogen systems
Refinery and offshore platform valve systems
【Call to Action】
Need reliable valves for high-pressure systems? Contact us for datasheets, drawings, and pricing on D343H-600LBC triple offset butterfly valves built for 600LB ANSI pipelines.
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