Ball valve attached code: V said the valve with V-shaped structure, D said low temperature, B said insulation, P said eccentric structure, U and S and DY more than that on the type;
Ball valve name code: Q said ball valve;
Ball valve drive code: 2 that electro-hydraulic, 3 that the turbine, 6 that pneumatic, 7 that liquid, 9 that electric, manual without a code;
Connection code: 1 for internal thread, 4 for flange, 6 for welding, 7 for clip;
Structure type code: Floating: 1 means through flow, 2 means Y type tee, 4 means L type tee, 5 means T type tee,
Fixed: 0 means hemispheric straight through, 6 means four-way runner, 7 means through flow, 8 means L type tee, 9 means Y type tee,
Sealing material code: B Babbitt, F fluorine rubber, F46 lined fluorine, H rust steel, J Liner, M Monel, N nylon plastic, Monel P, Y cemented carbide, W valve body direct processing;
Pressure rating code: 16 that the pressure is 16 kg (1.6Mpa) up to 64Mpa;
150LB said the pressure of the United States pounds pounds, the maximum pressure level up to 2500LB (150LB = 1.6MPA / 300LB = 2.5-4.0mpa / 400LB = 6.4mpa / 600LB = 10mpa);
5K said Japan-class pressure, the maximum pressure 63K;
Body material code: A titanium and titanium alloy, C carbon steel, I chrome molybdenum steel, P18-8 Department of stainless steel, RMo2Ti Department of stainless steel, S plastic.
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