400L/Min Crane Load Sensing Flow Sharing Control Valve Proportional Control Valve

• Customization: Available
• Function: Flow Control
• Drive: Hydraulic
• Model NO.: 4EHPCV200-400-33
• Type: Directly Operated Type
• Rated Pressure: 33MPa
• P1,P2 Flow Rate: 200L/Min
• Control Method: Electric and Hydraulic Control
• Current: 300-650mA
• Transport Package: Carton Box, Wooden Case, Pallet
• Specification: 40kg
• Trademark: YUZHOU
• Origin: China
• HS Code: 8481804090
• Production Capacity: 500/Month

Product Description

Applications:

Mainly used in50-100T crawler crane fixed pump or variable pump system , and related similar circuit application in agricultural machinery, road and bridge machinery, sanitation machinery, mining machinery and etc.

 

The multi-way valve is a load-sensitive multi-way valve, and the flow rate is independent of the load. The valve is a double section structure,

which can be expanded according to the needs, max section is 7 working section; the valve is integrated with an oil return back pressure valve,

which adopts a parallel circuit. That can effectively protect the radiator; the flow can be adjusted through the valve spool stroke, and each

working section has a pressure compensation function; the working port can be set with a secondary pressure relief valve according to the

needs; the control forms include hydraulic control, electro-hydraulic control, Manual control; single-dual pump switching function is integrated

in the valve.

Functions and features
1. The two oil pumps automatically switch over to non-confluence state from confluence one in case of combined actions of stretching & withdrawing, amplitude variation and primary and auxiliary winches. Movement at two sides does not interfere with each other.

2. All linkage actions can realize stepless proportional speed regulation and compound control actions which are not influenced by load.

3. Reasonable speed regulation through-flow area change can achieve stable small-flow output and realize micro motion.
 
4. The outlet of dual pumps are designed with a main overflow valve (safety valve) which can conduct overload protection for the system and also remote dual protection for unloading so as to ensure safe operation. A port and B port to all actuating mechanisms are offered with secondary overflow valves or oil recharging overflow valves. The amount and opening pressure can be determined according to the demand of customers.

 5. Providing the hydraulic brakes of primary and auxiliary winches with a pressure source interface for brake release.
 

Model	4EHPCV200-400-33
Rated pressure	33MPa
P1,P2 flow rate	220l/min
Current	300-650mA
Working oil temperature	-20ºC~+90ºC
Working fluid	mineral oil (HL,HLP) according to DIN51 524 standard
Fluid viscosity range	10~380mm²/s
The max allowable pollution degree of oil	level 9 according to NAS1638
Recommended filter filtration precision	minimum β10≥75

* If you have lower temperature requirements, please contact YUZHOU engineer.

Q1: Are you trading company or manufacture?                         
A: We are a manufacturer specializing in the production of mid-to-high-end hydraulic valves and hydraulic systems.
Our products include proportional valves, balance valves, slewing cushion valves, control valves, integrated valves, integrated systems, hydraulic pumps, hydraulic motors, wireless remote control, etc.

Q2: Can you provide special customization according to the working conditions?
A: Sure, we can design and produce according to your drawing and require.
We are equipped with professional R&D, quality inspection and after-sales teams, covering the entire product process: the R&D team is responsible for technical connection and customized development, the quality inspection team conducts tests on each batch of products to ensure the pass rate, and the after-sales team responds quickly to quality issues and provides guidance, maintenance and support.
Our general warranty is 12 months for product dispatch, first come first served.
 
Q3: What should I do if I only know the machinery model but cannot provide the part number?
A: If possible, you can send us pictures, nameplates, or dimensions of daily products for reference.
 
Q4: How long is your delivery time?
A: For express/air, it takes about 5-8 days. For land/sea, it takes about 30-45 days, depends on your address.
 
Q5: When to ship?
A:We usually receive the payment (full payment), confirm the delivery date, and ship the goods on time.

Q6: Can you provide the sample?
A: We can provide samples, and we can discuss the price of samples more specifically