KC-ZDB Rexroth series Superimposed Relief Valve Industrial Machinery

The ZDB series belongs to the superimposed relief valves. The valve body is mostly made of cast iron, and the internal key components are specially treated to be suitable for high-pressure working conditions. It is often used to assemble various industrial hydraulic systems, such as the hydraulic stations of machine tools and the hydraulic circuits of injection molding machines, playing a role in limiting the system pressure and ensuring the safe and stable operation of the system.

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Advantages

Precise pressure control for stable system operation.

Compact stackable design saving installation space.

Technical Data

Type	Max. inlet pressure (P)	Max. work port press. (A/B)（A/B）bar	Nominal flow rate L/min	Max. Flow L/min	Number of ports
ZDB10VP1 - 40B/50	31.5	31.5	50	50	4
ZDB10VP1 - 40B/100	31.5	31.5	100	100	4
ZDB10VP2 - 40B/200	31.5	31.5	200	200	4
ZDB10VP2 - 40B/315	31.5	31.5	315	315	4

Applications

Machine tools to protect hydraulic systems from overpressure.

Injection molding machines for pressure regulation.

Industrial presses to maintain proper hydraulic pressure.

FAQ

How do you ensure product reliability without in-house production?

We hold ISO 9001/TS 16949 certifications and have over 15 years of hydraulic manufacturing experience. Each batch undergoes a 5-stage quality verification, including pressure cycle testing and material composition analysis.
How to handle component failures during the warranty period?

We offer a 12-month limited warranty (covering manufacturing defects). Simply send a diagnostic video via our platform, and our engineers will confirm repair/replacement solutions online.
Can technical drawings be provided for custom projects?

After confirming the deposit, engineering schematics can be shared under an NDA. Our advanced production system shortens lead times by 30% compared to traditional suppliers.
What is the minimum order quantity (MOQ) for hydraulic valves?

Standard models have a flexible MOQ of 50 pieces. Sample orders start from 20 pieces.
How to handle urgent breakdowns?

Our national partners stock critical spare parts in 6 regional centers, with priority delivery services available at major ports.
What are the payment terms for new customers?

A 50% T/T advance payment is required for the first transaction. Payment terms can be further discussed after three consecutive successful deliveries.
Are certification documents available?

Each shipment includes CE/ISO/REACH certificates. Special certifications (e.g., ATEX) require 45 days' prior notice.
Can you provide samples?

Yes. We can supply samples for your testing and verification needs. For sample requests, please inform us of the specific product model, quantity, and any special requirements. We’ll communicate details like sample preparation time, shipping arrangements, and relevant costs (e.g., sample production fees, logistics charges; partial costs may be negotiable under certain conditions).