Rexroth Hydraulic Prefill Valves

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MOQ : 1 Piece

Rexroth Hydraulic Prefill Valves Specification

Connection Type
Flanged connections, according to DIN/ISO standards

Control System
Hydraulic pilot control or mechanical actuation

Valve Size
DN 50 to DN 300

Structure
Prefill valve with poppet or disc structure, normally closed

Type
Hydraulic prefill valve

Power
Hydraulically operated, no direct electrical power required

Pressure
Up to 315 bar (dependent on model)

Media
Hydraulic oil (mineral based), compatible fluids

Port Size
DN 50 to DN 300 (2 to 12)

Disc
Hardened steel or alloy disc

Opening Pressure
Adjustable; typically from 0.1 bar (spring loaded opening)

Mounting Orientation
Vertical or horizontal installation possible

Compliance
Manufactured according to ISO 5781 and DIN EN standards

Weight
Varies with valve size; e.g., approximately 13 kg for DN 80

Fluid Viscosity Range
Up to 380 mm2/s (cSt)

Rexroth Hydraulic Prefill Valves Trade Information

Minimum Order Quantity
1 Piece

Supply Ability
1000 Pieces Per Month

Delivery Time
1 Days

About Rexroth Hydraulic Prefill Valves

We have marked a distinct position in the market by supplying an innovative range of Rexroth Hydraulic Prefill Valves. In order to design these high quality valves, our vendors employ advanced machines and utilize quality tested material. These Rexroth Hydraulic Prefill Valves are installed with flange connection in various industrial pipelines to control and change the flow of liquids. We offer these valves at affordable prices within the stipulated time frame.

Features:

Rust proof design
Durable finish
Easy installation

Precision Control and Adaptability

Rexroth prefill valves provide precision fluid control with adjustable opening pressures and compatibility for a wide range of fluid viscosities. Their ability to be installed vertically or horizontally enhances system integration, while their compliant design assures adherence to stringent international standards for safety and reliability.

Durability and Efficient Operation

Featuring hardened steel or alloy disc construction, these valves guarantee a long service life even under demanding conditions. Hydraulically actuated and requiring no direct electrical power, they offer operational efficiency with simple installation using flanged connections in line with DIN/ISO standards.

FAQs of Rexroth Hydraulic Prefill Valves:

Q: How can Rexroth hydraulic prefill valves be installed in hydraulic systems?

A: Rexroth hydraulic prefill valves are designed for flexibility, allowing either vertical or horizontal installation based on system requirements. This makes them suitable for a wide variety of industrial applications, simplifying integration into existing or new hydraulic circuits.

Q: What is the process for adjusting the opening pressure on these prefill valves?

A: The opening pressure of Rexroth prefill valves is adjustable, typically beginning at 0.1 bar thanks to a spring-loaded mechanism. Adjustment is made by modifying the springs preload according to the specific application requirements, ensuring optimal performance for varied system pressures.

Q: When should a prefill valve be used in a hydraulic system?

A: Prefill valves are essential during rapid cylinder movements or large-volume operations, such as in presses or injection molding machines. They quickly fill the cylinder with hydraulic fluid, reducing cycle times and improving system efficiency by minimizing pump load during rapid stroke motions.

Q: Where can Rexroth hydraulic prefill valves be sourced in India?

A: Rexroth hydraulic prefill valves are available through authorized distributors, importers, and suppliers across India. They are distributed by reputable hydraulic component providers who can assist with selection, installation, and after-sales support.

Q: What fluids are compatible with these prefill valves?

A: These valves are primarily designed for use with mineral-based hydraulic oils but can also function with other compatible hydraulic fluids, provided they align with the specified viscosity range (up to 380 mm2/s) and material compatibility.

Q: How do the valves structure and materials enhance their performance?

A: Constructed with a robust poppet or disc structure and featuring hardened steel or alloy discs, these valves maintain durability and tight sealing. Their normally closed design ensures safety and precise fluid control in hydraulic systems operating at pressures up to 315 bar.

Q: What are the main benefits of using Rexroth hydraulic prefill valves?

A: Key advantages include efficient fluid handling, adjustable performance, compliance with international standards, durable materials, flexible mounting options, and hydraulic or mechanical actuation. These features collectively enhance system reliability and operational lifespan.

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