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Industrial Butterfly Valves Ductile Cast Iron Di Ci Stainless Steel Barss EPDM Seat Water Resilient Wafer Lug Lugged Type
DIN F4 Double Flanged Long Pattern Butterfly Valve
Basic Info
| Item | Specification |
|---|---|
| Model No. | FLT1055 |
| Connection Form | Flange |
| Structure | Centre Sealing |
| Seal Form | Force Sealed |
| Valve Stem | Normal |
| Work Pressure | Low Pressure (Pn<1.6Mpa) |
| Working Temperature | Normal Temperature (-40°C<T<120°C) |
| Material of Seal Surface | Soft Sealed |
| Valve Body | Casting |
| Application | Industrial Usage, Water Industrial Usage, Household Usage |
| Transport Package | Sea Worthy Ply Wood Cases |
| Specification | DN65–DN400 |
| Trademark | QIF |
| Origin | China |
| HS Code | 8481804090 |
| Production Capacity | 50,000 pieces/year |
Product Description
Our
DIN F4 Double Flanged Long Pattern Butterfly Valve is designed for
reliable flow control in water pipelines and industrial applications. It
offers a compact structure, lightweight body, easy installation, and
low flow resistance, making it an ideal choice for both on‑off and
throttling service.
Technical Specifications
| Parameter | Value |
|---|---|
| Face to face dimension | DIN3202 F4 |
| Top flange dimension | ISO5211 |
| Flange standard | DIN PN6/10/16 |
| Nominal Pressure | 1.6MPa |
| Sealing Test Pressure | 1.76MPa |
| Shell Test Pressure | 2.4MPa |
| Working Temperature Range | -12°C to 82°C |
Key Features & Advantages
Centre Sealing Design – Ensures reliable bidirectional sealing performance.
Soft Sealed Seat – EPDM material provides excellent wear resistance and tight shut‑off.
Low Operating Torque – 90° quick quarter‑turn operation reduces actuation effort.
ISO5211 Top Flange – Compatible with manual, electric, and pneumatic actuators for flexible automation.
Wide Pressure & Temperature Range – Designed for PN1.6MPa systems and service temperatures from -12°C to 82°C.
Durable Casting Body – Ductile cast iron / stainless steel / brass options available for different media conditions.
Sea‑worthy Packaging – Shipped in robust plywood cases, ensuring product integrity during long‑distance transport.
Applications
Water treatment and supply systems
Industrial pipelines (oil & gas, petrochemical, power generation)
HVAC and building services
Agricultural irrigation
Household water distribution networks
