KD741X heavy weight storage type hydraulic control slow closing butterfly valve

The hydraulic controlled slowly closing butterfly valve is the most advanced pipeline control equipment at home and abroad. It is mainly installed at the inlet of hydropower turbine and used as the inlet valve of turbine. Or installed in the water conservancy, power, water supply and drainage of various pump stations pump outlet, to replace the check valve and gate valve.

Main performance parameters
KD741X-2.5V, KD741X-6V, KD741X-10V automatic pressure holding liquid controlled slow closing check butterfly valve Main performance parameters Model Nominal pressure PN/MPa Test pressure /MPa Applicable temperature /℃ Applicable medium
Shell test Sealing test
KD741X-2.5V 0.25 0.375 0.275 ≤65 Water
KD741X-6V 0.6 0.9 0.66
KD74IX-I0V 1.0 1.5 1.1
Nominal diameter of valve
DN≤1200 DN≥1400
Valve opening time /s 20 to 60 Adjustable 15 to 60 adjustable
Valve closing time /s Fast closing 1.5~25 Adjustable 1.5-30 adjustable
Slow off 2~60 adjustable 4~60 adjustable
Valve closing Angle (°) Quick closing 65± 10 adjustable
Slow off 25 ± 10 adjustable

Main parts material
KD741X-2.5V, KD741X-6V, KD741X-10V automatic pressure holding hydraulic control slow closing check butterfly valve Main parts Material Model Valve body butterfly plate butterfly plate sealing ring Valve stem valve seat packing
Part name Gray cast iron nodular cast iron nitrile rubber chrome stainless steel copper alloy 0 shape rubber ring

Main shape and structural dimensions
KD741X-6V automatic pressure holding hydraulic control slow closing check butterfly valve main shape and structure size (mm) nominal diameter
DN/mm D D1 D2 b Z-φd L L1 E2 E3 H H1 Weight /kg
1200 1405 1340 1295 40 32-φ33 630 800 2600 1355 710 1710 4200
1400 1630 1510 1560 57 32-φ36 710 800 2823 1355 820 1820 4900
1600 1830 1710 1760 63 36-φ36 790 890 3141 1355 920 1920 5900
1800 2045 1918 1970 65 40-φ39 870 890 3423 1760 1035 2035 6300
Note: The above are the main outline and structural dimensions of KD741X-6V automatic pressure holding liquid controlled slow closing check butterfly valve. If you need the main outline and structural dimensions of KD741X-2.5V automatic pressure holding liquid controlled slow closing check butterfly valve, please call for information.
Product outline structure dimension drawing