Industrial butterfly valve
An industrial valve is a switching or regulating device installed in a pipeline to control a fluid (including liquid, gas, steam, etc.). It has a wide range of applications in the industrial field.

Industrial Butterfly Valve Standards:

Design Compliance: MSS SP-67, API 609, EN 593
Flange Connection Standards: Compliant with DIN PN10/16/25, ANSI B16.1, BS4504, ISO PN10/16, JIS B2212/2213, BS 10 (D, E).
Top Flange Standard: Compliant with ISO 5211 standard.
Face-to-Face Dimensions: Compliant with API 609, ISO 5752-20, and BS 5155.
Testing Compliance: API 598
Design Features of Industrial Butterfly Valve:

Stable torque with rubber seat.
Grooved sleeve design for stable positioning.
Simple structure, compact size, and lightweight. Easy to disassemble, install, and maintain.
Minimized operating torque. Levers, gears, pneumatic, and electric actuators are available.
Special design for high flow rates with low flow resistance.
Applicable media: water, sewage, seawater, air, steam, food, pharmaceuticals, oil, acid, alkali, salts, etc.
Zero leakage at rated pressure.
Performance Specifications of Industrial Butterfly Valve:

Nominal Size: DN50-DN300 without back seat; DN50-DN300 with back seat; DN350-DN1200.
Nominal Pressure (PN) [MPa]: 1.0, 1.6, 2.0, 2.5
Test Pressure (Water) [MPa]:
Shell: 1.5 times the nominal pressure
Seal: 1.1 times the nominal pressure