Manual flange gate valves are widely used as opening and closing devices for connecting or cutting off medium in oil and steam pipelines in petrochemical and thermal power plants. Product features: 1. Compact structure, reasonable design, good valve rigidity, smooth channel, low flow coefficient. 2. The sealing surface is made of stainless steel and hard alloy, with a long service life. 3. Flexible graphite packing is used, with reliable sealing and easy and flexible operation. 4. The driving mode is manual, pneumatic, electric, and gear transmission. 5. The structural form is an elastic wedge single gate Standard Design Specification for Rigid Wedge Single Gate Double Gate Type: GB/T 12234 Structure Length: GB/T 12221 Connection Flange: JB/T 79 Testing and Inspection: JB/T 9092 Pressure Temperature: GB/T 9131 Product Identification: GB/T 12220 Manual Flange Gate Valve - Performance Specification
Manual flange gate valve - Main component materials
Main connection dimensions of manual flange gate valve -1.6MPa
Main connection dimensions of manual flange gate valve -2.5MPa
Main connection dimensions of manual flange gate valve -4.0MPa
Main connection dimensions of manual flange gate valve -6.4MPa
Main connection dimensions of manual flange gate valve -10.0MPa
Main connection dimensions of manual flange gate valve -16.0MPa
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