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Electric open flapper valve
Model: KF941X
Nominal diameter: DN400 ~ 2800mm
Nominal pressure: 0.05 ~ 0.25MPa
Temperature: 200 ℃ (silicone rubber) 300 ℃ (fluororubber)
Design criteria: API 600, API6D, ASME B16.34 , GB / T 12234
Structure length: ASME B16.10 , API6D, GB / T 12221
Connection standards: ASME B16.5, ASME B16.47, GB / T 9113, JB / T79, HG / T 20592
Pressure test: API 598, GB / T 13927, JB / T 9092
Pressure - Temperature class: ASME B16.34, GB / T 12224

Structural features and uses
 The valve is open design structure, with light weight, easy to maintain (seal ring replacement, electric device maintenance inspection, replacement, local maintenance of the valve are external, does not affect the normal operation of the valve), the valve movement process , Intuitive switch state, after opening and closing inspection completed state is very convenient, with closed irreplaceable advantages, the disadvantage is that when opening and closing a small amount of gas leakage. The valve is designed to absorb the foreign board valve floating valve plate advanced technology; compacting gear with gear ring, gear, trapezoidal thread, screw synchronization two-way compression. The advantages of synchronous compression of the left and right screw thread trapezoidal thread screws are: small starting torque, good self-locking of the screw thread, reliable movement of the valve seal with a pin gear transmission mechanism, which is hard to fouling and meets dusty conditions with poor lubrication conditions, Work environment harsh occasions use. 
 The valve can be configured on the ground explosion-proof control cabinet, the implementation of on-site control and remote connection with the PLC system control, design distance of 10 meters.

 
 The main dimensions

DN D D1 B b nd H H1 L A A1 F F1 F2 MK Electric power (kw) Quality (kg)
Go board Plywood PN0.05 PN0.10 PN0.15 PN0.25
400 540 495 600 18 16-22 1300 350 2210 600 680 500 160 220 4-23 1.1 1.5 880 960
450 595 550 600 18 16-22 1520 400 2400 600 680 500 160 220 4-23 1.1 1.5 980 1060
500 645 600 600 18 20-26 1600 450 2540 600 680 500 160 220 4-23 1.1 1.5 1050 1180
600 755 705 800 24 24-26 1750 500 2720 600 680 900 280 340 8-23 1.1 1.5 1150 1280
700 860 810 800 24 24-30 1884 720 2815 600 680 950 280 340 8-23 1.1 1.5 1210 1320
800 975 920 800 24 24-30 1970 800 3115 600 680 1045 280 340 8-23 1.5 1.5 1450 1600
900 1075 1020 800 24 24-30 2086 880 3640 600 680 1250 280 340 8-23 2.2 2.2 1840 2050
1000 1175 1120 800 24 28-30 2250 960 3940 820 910 1250 280 340 8-23 2.2 2.2 2180 2450
1200 1375 1320 1200 26 32-30 2837 1165 5930 1100 1180 1060 480 560 8-33 1.1 2.2 2600 2800
1400 1575 1520 1200 26 36-30 3057 1285 6530 1100 1220 1400 480 560 8-33 1.1 1.5 3250 3550
1600 1790 1730 1200 32 40-30 3257 1385 7130 1100 1180 1560 480 560 8-33 1.5 1.5 4350 4750
1800 1990 1930 1400 32 44-30 3400 1428 7730 1100 1180 1750 230 560 8-33 2.2 2.2 5100 5600
2000 2190 2130 1400 32 48-30 4010 1850 8400 1200 1280 1800 230 560 8-33 2.2 2.2 5760 6250
2200 2405 2340 1600 32 52-30 4110 1950 9050 1200 1280 1900 230 560 8-33 2.2 2.2 7050 7750
2400 2605 2540 1600 32 56-33 4365 2050 9600 1200 1280 2360 230 560 8-33 2.2 2.2 8250 9050
2600 2805 2740 1800 34 60-33 4375 2141 8567 1340 1410 2332 300 600 8-36 2.2 2.2 9700 10500
2800 2960 3030 1800 36 64-36 4554 2280 8925 1340 1410 2532 300 600 8-36 2.2 2.2 12000 13200


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