Veljan VT6C Hydraulic Variable Speed Hydraulic Pump for Backhoe

Veljan VT6C Hydraulic Variable Speed Hydraulic Pump For Backhoe

 

 

The veljan vt6c pump stands out for its variable speed hydraulic pump design, which balances power and efficiency. When a backhoe idles with its bucket raised, the pump reduces speed to minimize energy use-cutting fuel consumption by up to 18% compared to fixed-speed pumps. When digging into compacted clay, it instantly ramps up speed to deliver maximum pressure, ensuring the bucket penetrates without stalling. This adaptability not only saves fuel but also reduces wear on hydraulic hoses and cylinders, extending their lifespan.​

Durability is another key strength of the vt6c pump. The veljan vt6c uses a hardened steel rotor and wear-resistant valve plate, with a surface treatment that resists corrosion from hydraulic oil contaminants. Its variable speed control valve is sealed to prevent dust intrusion, maintaining precision even after 10,000+ hours of operation. Whether the vt6c pump is powering a backhoe in a muddy construction site or a dusty farm field, it maintains consistent performance.​

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Dynamic Speed Adjustment: The variable speed hydraulic pump mechanism in the veljan vt6c pump uses pressure feedback to adjust speed automatically. When the backhoe's bucket hits a rock, it increases speed to deliver extra torque; when dumping soil into a truck, it reduces speed to avoid splashing-ensuring efficiency and precision.​

Compact & Lightweight: The veljan vt6c has a 25% smaller footprint than traditional variable pumps, fitting easily into the backhoe's tight engine compartment. Its lightweight design (12kg) also reduces strain on the backhoe's hydraulic system mounting brackets.​

Anti-Cavitation Protection: Equipped with a self-priming system, the vt6c pump avoids cavitation (air bubbles that damage components) even when hydraulic oil levels are low-a common issue when backhoes work on uneven terrain.​

Easy Maintenance: The veljan vt6c pump features a modular design with accessible components. Key parts like the variable speed valve and seals can be replaced without disassembling the entire pump, cutting maintenance time by 35% and minimizing backhoe downtime.

 

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The Veljan VT6CSH pump is a high-performance vane pump that requires regular maintenance and care to ensure its longevity and optimal performance. Here are some key maintenance tips to follow:

Regular Inspections: Periodically check the pump for any signs of wear, damage, or leaks. Early detection can prevent more significant issues and costly repairs.

 

Fluid Level and Quality: Monitor the hydraulic fluid level regularly and ensure it is clean and of the correct viscosity. Contamination or incorrect fluid can lead to decreased performance and potential damage to the pump.

Seal Maintenance: Check the condition of the seals to prevent leaks. Replace them as necessary to maintain the pump's efficiency .

Shaft and Bearing Check: Inspect the shaft for any signs of wear or damage. Ensure that the bearings are properly lubricated and functioning smoothly.

 

Internal Leakage: Pay attention to the internal leakage of the pump. Do not operate the pump for more than 5 seconds at any speed or viscosity if the internal leakage is more than 50% of the theoretical flow.

Noise Level: Be aware of the typical noise level of the pump. If the noise level increases significantly, it may indicate a problem that requires attention.

Hydraulic Power Loss: Monitor the hydromechanical power loss, which is indicative of the pump's efficiency. Unusual power loss could signal a need for maintenance or repair.

 

Shaft Code and Torque: When working with the shaft, ensure you are using the correct shaft code (e.g., keyed or splined) and apply the correct torque during assembly to avoid damage.

Environmental Conditions: Consider the environmental conditions in which the pump operates. Extreme temperatures or exposure to contaminants can affect the pump's performance and lifespan.

 

Maintenance Schedule: Follow the manufacturer's recommended maintenance schedule, which may include periodic servicing, filter changes, and fluid replacements.

By adhering to these maintenance guidelines, you can ensure that your Veljan VT6CSH pump operates efficiently and provides a long service life. Remember that prompt attention to any issues is crucial to prevent more extensive damage and costly downtime.

 

 

Size		Series	Cartridges 1
C		6	Rotation			T6DC T6EC	T6DCC	T6DCC T6EDC T6DDC
				T6C	T6CC T67CB	T67DC T67EC	T67DCC T67DCB	T6CC T67DCC T67EDC T67DDC T6H20C T6H29C	T6CR
Cam	ml/rev.	Cam Code
3	10.8	034-59050	R (CW)	S24-10692	S24-10731	S24-10767	S24-25551	S24-10749	S24-26354
			L (CCW)	S24-10693	S24-10732	S24-10768	S24-25561	S24-10750	S24-26353
5	17.2	034-59051	R (CW)	S24-10694	S24-10733	S24-10769	S24-25552	S24-10751	S24-26356
			L (CCW)	S24-10695	S24-10734	S24-10770	S24-25562	S24-10752	S24-36355
6	21.3	034-59052	R (CW)	S24-10696	S24-10735	S24-10771	S24-25553	S24-10753	S24-26358
			L (CCW)	S24-10697	S24-10736	S24-10772	S24-25563	S24-10754	S24-26357
8	26.4	034-50953	R (CW)	S24-10698	S24-10737	S24-10773	S24-25554	S24-10755	S24-26360
			L (CCW)	S24-10699	S24-10738	S24-10774	S24-25564	S24-10756	S24-26359
10	34.1	034-59054	R (CW)	S24-10721	S24-10739	S24-10775	S24-25555	S24-10757	S24-26362
			L (CCW)	S24-10722	S24-10740	S24-10776	S24-25565	S24-10758	S24-26361
12	37.1	034-66595	R (CW)	S24-26478	S24-26509	S24-26480	S24-26484	S24-26482	S24-26383
			L (CCW)	S24-26479	S24-26510	S24-26481	S24-26485	S24-26483	S24-26382
14	46	034-59206	R (CW)	S24-10723	S24-10741	S24-10777	S24-25556	S24-10759	S24-26364
			L (CCW)	S24-10724	S24-10742	S24-10778	S24-25566	S24-10760	S24-26363
17	58.3	034-59207	R (CW)	S24-10725	S24-10743	S24-10779	S24-25557	S24-10761	S24-26366
			L (CCW)	S24-10726	S24-10744	S24-10780	S24-25567	S24-10762	S24-26365
20	63.8	034-66607	R (CW)	S24-26859	S24-26853	S24-40234	S24-40352	S24-31023	S24-31885
			L (CCW)	S24-26860	S24-26854	S24-40235	S24-40353	S24-40032	S24-50391
22	70.3	034-59208	R (CW)	S24-10727	S24-10745	S24-10781	S24-25558	S24-10763	S24-26368
			L (CCW)	S24-10728	S24-10746	S24-10782	S24-25568	S24-10764	S24-26367
25	79.3	034-59209	R (CW)	S24-10729	S24-10747	S24-10783	S24-25559	S24-10765	S24-26370
			L (CCW)	S24-10730	S24-10748	S24-10784	S24-25569	S24-10766	S24-26369
28	88.8	034-59245	R (CW)	S14-97761	S24-25510	S14-97722	S24-25560	S24-25547	S24-26372
			L (CCW)	S24-25519	S14-97738	S24-25791	S24-25570	S24-25546	S24-26371
31	100	034-66843	R (CW)	S24-45785	S24-45787	S24-45789	S24-45773	S24-45771	S24-49442
			L (CCW)	S24-45786	S24-45788	S24-45790	S24-45774	S24-45772	S24-49443
Port-Plates		Pressure	R (CW)	034-59772	034-59772	034-59773	034-66521	034-59773	034-59772
			L (CCW)	034-59773	034-59773	034-59772	034-66522	034-59772	034-59773
		Rear ass'y 3	R (CW)	S24-10803	S24-10805	S24-10809	S24-10806	S24-10807	S24-10808
			L (CCW)	S24-10804	S24-10806	S24-10810	S24-10805	S24-10808	S24-10807

 

 

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