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RK&2CK SERIES BEVELGEAR BOX

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MULTITURN BEVEL GEAR BOX

(With Oversized Valve Stem) RK & 2CK Series Multi-Turn Valve Actuators

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The rotary valve actuator is an essential and indispensable component in the industrial sector, widely used in various fluid control systems. Its primary function is to precisely control the opening and closing of valves via the actuator, enabling seamless fluid flow control as well as fine-tuned flow regulation. This article will provide a detailed overview of the technical features, operational principles, and practical applications of rotary valve actuators.

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Rotary Valve Actuator: Technical Analysis and Application Overview

I. Technical Features

The rotary valve actuator boasts several key technical features, including high-precision control, highly efficient operation, and exceptional safety and reliability. Among these, high-precision control stands out as one of its core attributes, enabling accurate valve opening and closing to maintain stable operation of the fluid system. Additionally, the device incorporates advanced transmission technology, ensuring efficient performance while significantly reducing energy consumption. Meanwhile, its robust safety and reliability features have made it widely adopted, effectively mitigating potential hazards such as leaks.

2. Operating Principle

The working principle of the rotary valve actuator relies primarily on the coordinated operation of components such as the electric motor, gearbox, and transmission mechanism. When the motor starts, the gearbox reduces the rotational speed while simultaneously increasing torque. This mechanical power is then transmitted via the transmission system to the valve, enabling it to open and close. Throughout this process, sensors continuously monitor the valve's position and operational status, allowing the control system to maintain precise regulation.

3. Application Status

Rotary valve actuators are widely used in industrial sectors such as oil, chemical, power, and metallurgy. In the oil and chemical industries, these devices control a variety of fluid media, including gases, liquids, and steam. In the power industry, rotary valve actuators manage fluid systems in equipment like boilers and generator sets. Additionally, they find extensive applications in other industries, including metallurgy and water treatment.

IV. Conclusion

Overall, rotary valve actuators are indispensable and critical components in modern industrial applications. Their key features—such as high-precision control, highly efficient operation, and exceptional safety and reliability—have enabled these devices to be widely adopted across various fluid control systems. As industrial technology continues to advance, rotary valve actuators will undergo continuous innovation and upgrades, further contributing to the growth and evolution of the industrial sector.

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MULTITURN BEVEL GEAR BOX

(With Oversized Valve Stem) RK & 2CK Series Multi-Turn Valve Actuators

Type Type		Technical Parameters									Standard Flange Connection Size – Base Part					Standard configuration: Flange external dimensions						Handwheel Harwhed
		Standard configuration Flange Standard flange acc.ISO5211	Optional flange Optional Mounting aco.ISO5211	Speed ratio Ratio	Input Torque HPU Tte Nm	Output Torque Rating Outpui Nm	Mechanical Efficiency M.A. ±10%	Maximum Valve Stem Owl dax mm	Maximum Thrust Thrust KN	Approximately Weight Weight kg	D1	P.C.D		D3	HO	H1	H2	H3	L2	PD	Key
												D2	N-H-DP									M
A	RK03	F12	F10	4:1	105	350	3.4	40	93	15	85	125	4-M12-18	150	3	53	68	109	209	21	6	300
	RK05	F14	F12	4:1	165	550	3.4	52	127	21	100	140	4-N16-24	175	3	65	78	125	237	26	8	400
	RK1	F16	F14	4:1	265	900	3.4	60	141	29	130	165	4-M20-30	210	4	73	91	138	247	28	8	500
	2CK2	F20	F16	4.2:1	335	1200	3.6	65	190	41	140	205	8-M16-24	250	4	77	81	140	269	32	10	550
	2CK3	F25	F16	4.1:1	575	2000	3.5	75	268	54	200	254	8-M16-24	300	4	86	88	152	310	32	10	600
	2CK5	F30	F25	5.2:1	640	2800	4.4	90	308	88	230	298	8-M20-30	350	4	102	108	181	380	32	10	700
	2CK8	F35	F30	5.6:1	730	3500	4.8	110	377	160	260	356	8-M30-45	420	5	132	141	238	419	38	10	800
	2CK10	F40	F35	6.3:1	840	4500	5.4	130	427	215	300	406	8-M36-50	475	6	138	168	270	44	38	10	800
B	2CK2-1S	F20	F16	13.6:1	145	1400	9.8	65	190	62	140	205	8-M16-24	250	4	77	81	140	378	28	8	500
				18.8:1	105		13.5
	2CK3-1S	F25	F16	18:1	195	2500	13	75	268	78	200	254	B-M16-24	300	4	86	88	152	402	28	8	550
				24.6:1	145		17.7
	2CK5-1S	F30	F25	23:1	245	4000	16.6	90	308	115	230	298	8-M20-30	350	4	102	108	181	489	28	8	600
				31.2:1	180		22.5
	2CK8-1S	F35	F30	37.9:1	220	6000	27.3	110	377	205	260	356	8-M30-45	420	5	132	141	238	544	38	10	700
				50.4:1	170		36
	2CK10-1S	F40	F35	42.8:1	290	9000	31	130	427	250	300	406	8-M36-50	475	6	138	168	270	570	38	10	700
				56.7:1	220		41