DBD Series Direct Operated Pressure Relief Hydraulic Valve

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DBD Series Direct Operated Pressure Relief Hydraulic Valve

The DBD series direct-operated pressure relief hydraulic valve is a cutting-edge component that provides precise and reliable pressure control in hydraulic systems. With its advanced direct-operated design and exceptional performance, this valve ensures efficient and safe operation by regulating system pressure within desired limits.

The DBD series direct-operated pressure relief hydraulic valve is a high-performance solution for precise pressure control in hydraulic systems. With its direct-operated design, wide pressure control range, fast response time, and high flow capacity, this valve ensures efficient and safe operation while protecting system components. Following the recommended usage methods and maintenance practices, the DBD series valve delivers reliable performance, extending the lifespan of hydraulic systems. Upgrade your hydraulic system with the DBD series direct-operated pressure relief hydraulic valve and experience optimal pressure control for enhanced system efficiency and productivity.

DBD Series Direct Operated Pressure Relief Hydraulic Valve Key Characteristics:

  1. Direct-Operated Design:
    • The DBD series valve features a direct-operated design, allowing it to respond quickly and accurately to changes in system pressure.
    • It provides precise pressure relief, preventing over-pressurization and safeguarding system components.
  2. Pressure Control Range:
    • This valve offers a wide pressure control range, enabling customization to suit various hydraulic system requirements.
    • It ensures optimal pressure levels for efficient system operation and component protection.
  3. Fast Response Time:
    • The DBD Series Valve exhibits a rapid response time, swiftly adjusting the flow path to relieve excess pressure.
    • It effectively minimizes pressure spikes, ensuring stable and reliable operation of the hydraulic system.
  4. High Flow Capacity:
    • Designed to handle high flow rates, the DBD series valve allows for efficient pressure relief even in demanding hydraulic applications.
    • It maintains consistent pressure control while accommodating substantial fluid flow.

DBD Series Direct Operated Pressure Relief Hydraulic Valve Parameter:

Fluid Mineral oil suitable for NBR and FKM seal
Phosphate ester for FKM seal
Fluid temperature range ℃ -30 to +80(NBR seal)
-20 to +80(FKM seal)
Viscosity range mm2/s 10 to 800
Degree of contamination Maximum permissible degree of fluid contamination: Class 9. NAS 1638 or 20/18/15, ISO4406
NS 6 and 8 10 15 and 20 25 and 30
Operating pressure range Inlet bar to  400 to  400 to  400 to  315
Outlet bar 315
Max. flow-rate L/min See the Characteristic curve

DBD Series Direct Operated Pressure Relief Hydraulic Valve Advantages:

• Three connection methods: screw connection /sub-plate mounting
• Six pressure levels: 25、50、100、200、315、400 bar
• Two connection methods: plug-in/ threaded connection

Usage Method Of DBD Series Direct Operated Pressure Relief Hydraulic Valve :

  1. System Analysis:
    • Conduct a thorough hydraulic system analysis to determine the specific pressure control requirements.
    • Consider factors such as maximum operating pressure, desired pressure range, and compatible flow rates.
  2. Valve Selection:
    • Select the appropriate DBD series valve variant based on the system’s pressure control specifications.
    • Consider pressure rating, flow capacity, and compatibility with other system components.
  3. Installation:
    • Follow the manufacturer’s instructions to correctly install the DBD series direct-operated pressure relief valve in the hydraulic system.
    • Ensure proper alignment and secure connection to prevent leaks and optimize performance.
  4. Pressure Setting:
    • Adjust the valve’s pressure setting to the desired level using a suitable pressure control mechanism.
    • Refer to the valve’s technical documentation for guidance on accurately adjusting the pressure relief setting.

How Does A Hydraulic Lock Valve Work?

A hydraulic lock valve, a check valve or non-return valve, is a crucial component in hydraulic systems. Its primary function is to allow fluid to flow in one direction while preventing it from flowing in the opposite direction. This mechanism ensures the stability, safety, and efficiency of hydraulic systems. Let’s explore how a hydraulic lock valve works:

  1. Valve Construction:
    • A hydraulic lock valve typically consists of a valve body, a movable disc or ball, and a spring.
    • The valve body contains an inlet and outlet port, with the movable disc or ball positioned between them.
    • The spring provides the necessary force to keep the disc or ball closed or open, depending on the flow direction.
  2. Flow Control:
    • When fluid pressure at the inlet side of the valve exceeds the pressure at the outlet side, the hydraulic lock valve opens.
    • The fluid flow pushes against the movable disc or ball, overcoming the force of the spring and allowing fluid to pass through the valve.
  3. One-Way Flow:
    • Once the fluid passes through the valve, the spring pushes the disc or ball back into its closed position.
    • This closing action prevents fluid from flowing backward or reversing its direction, effectively creating a hydraulic lock.
  4. Preventing Reverse Flow:
    • In the event of a sudden pressure drop or a decrease in fluid flow on the inlet side, the spring force prevails over the fluid pressure.
    • The movable disc or ball quickly returns to its closed position, preventing reverse flow and maintaining system stability.
  5. Application Variations:
    • Hydraulic lock valves can come in different configurations, including ball, swing, and poppet check valves.
    • Ball check valves use a spherical ball as the movable element, while swing check valves use a hinged disc.
    • Poppet check valves utilize a cone-shaped or tapered poppet as the movable component.

Capacité de l'usine :

(1) Assemblage

We have a first-class independent research and development assembly platform. The hydraulic cylinder production workshop has four semi-automatic lifting cylinder assembly lines and one automatic tilt cylinder assembly line, with a designed annual production capacity of 1 million pieces. The special cylinder workshop is equipped with various specifications of a semi-automatic cleaning assembly system with a designed annual production capacity of 200,000 and equipped with famous CNC machining equipment, a machining center, a high-precision cylinder processing special equipment, a robot welding machine, an automatic cleaning machine, automatic cylinder assembly machine, and automatic painting production line. Existing critical equipment of more than 300 sets (sets). The optimal allocation and efficient use of equipment resources ensure the accuracy requirements of products and meet the high-quality needs of products.

(2) Usinage

L'atelier d'usinage est équipé d'un centre de tournage sur rail incliné personnalisé, d'un centre d'usinage, d'une machine à honer à grande vitesse, d'un robot de soudage et d'autres équipements connexes, qui peuvent traiter des tubes cylindriques d'un diamètre intérieur maximal de 400 mm et d'une longueur maximale de 6 mètres.

(3) Soudage

(4) Peinture et revêtement

Avec des lignes de revêtement de peinture à base d'eau automatiques à cylindre de petite et moyenne taille, pour réaliser le chargement et le déchargement automatiques par robot et la pulvérisation automatique, la capacité de conception est de 4 000 pièces par équipe ;
Nous disposons également d'une ligne de production de peinture semi-automatique pour gros cylindres, alimentée par une chaîne de traction, d'une capacité de conception de 60 caisses par équipe.

(5) Essais

Nous disposons d'installations d'inspection et de bancs d'essai de premier ordre pour garantir que les performances de la bouteille sont conformes aux exigences.

 

 

We are one of the best hydraulic cylinder manufacturers. We can offer comprehensive hydraulic cylinders. We also provide corresponding boîtes de vitesses agricoles. We have exported our products to clients worldwide and earned a good reputation because of our superior product quality and after-sales service. We welcome customers at home and abroad to contact us to negotiate business, exchange information, and coopérer avec nous!

 

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