Zdb/Z2dB Type Hydraulic Modular Relief Valve for Marine Construction Machinery Parts

• Customization: Available
• Function: Pressure Regulating
• Installation: Superposition
• Model NO.: ZDB/Z2DB
• Drive: Hydraulic
• Type: Pilot-Operated Type
• Pressure: Four Pressure Levels
• Structure: Depending on Model
• Dimension(L*W*H): Depending on Model
• Maximum Pressure: 31.5MPa
• Maximum Flow Rate: 120 L/Min
• Material: Rubber Cast Iron
• Color: Blue
• Temperature of Media: Room Temperature
• Power: Hydraulic
• Standard or Nonstandard: Standard
• Media: Hydraulic Oil
• Application: Hydraulic Modular Relief Valve
• After-Sales Service Provided: Online Support
• Transport Package: Strong Wooden Carton
• Specification: 10
• Trademark: Dingan
• Origin: China Hebei Xingtai Ningjin
• HS Code: 8481901000
• Production Capacity: 60000 Piece/Pieces Per Month
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 10.000kg

Product Description

    The pilot relief valve is a specialized hydraulic or pneumatic device that incorporates a pilot control system to manage and discharge surplus pressure from a system. This valve is composed of two main components: a primary valve and a pilot valve. The pilot valve is designed to be sensitive to the system's pressure levels. When the pressure level exceeds a pre-established threshold, the pilot valve activates, triggering the main valve to release the excess pressure. These valves are essential for safeguarding hydraulic and pneumatic equipment from damage by keeping the pressure within acceptable boundaries. They are critical in maintaining the safety and performance of these systems.

Model Description

(1)Z=Superposition
(2)2=Two-way Overflow,None=One-way Overflow
(3)DB=Pilot Relief
(4)6=DN6,10=DN10
(5)Control Oil Form
VA=A→T
VB=B→T
VP=P→T
VC=A→T and B→T
VD=A→B and B→A
VT=TB1→TA2
(6)1=Handle
2=Hexagon Socket Adjusting Screw With Protective Cover
3=Locking Knob With Scale
7=Knob With Scale
(7)40=Serial Number
(8)C=Chuangli Hydraulic Technology
(9)50=Adjust The Pressure To 5MPa
100=Adjust The Pressure To 10MPa
200=Adjust The Pressure To 20MPa
315=Adjust The Pressure To 31.5MPa
(10)V=Phosphate Ester Hydraulic Oil,None=Mineral Hydraulic Oil
(11)Other Details Of The Text Description

 

    The ZDB/Z2DB relief valve is a superimposed pilot relief valve used to limit system pressure. There are five control modes and four pressure levels. The system pressure is adjusted by the regulating device (4).
    The valve consists of a valve body (7) and one or two cartridge-type pilot relief valves.
    When stationary, the relief valve is in a closed state. The pressure at port A acts on the valve core (1). At the same time, the pressure passes through the throttle hole (2) and the spring-loaded side of the valve core (1), and acts on the pilot valve (6) through the throttle hole (3). When the pressure at port A increases until it exceeds the pressure set by the spring (5), the valve core (6) opens, and the pressure oil flows from the spring control of the valve core (1) through the damping hole (3) and the channel (8) to the T port. Then, a pressure drop is generated, which pushes the valve core (1) to open. At this time, the oil ports A and T are connected. The set pressure of the spring (5) remains unchanged.
    The control oil returns to the oil tank from the outside through two spring control ports.

 

Size	ZDB10
	VA	VT
	VP
B	69	70
H	26	25
L1	227	218
L2	203	194
L3	117	105
L4	57.6	60.9
L5	50.3	53.6
L6	4	0.7
L7	41.5	31.8

 

 

 

    Hebei Ding'an Hydraulic Machinery Co., Ltd. is a professional company integrating the research, production and sales of hydraulic valves. It is an ISO9001:2000 quality management system certified enterprise. The company currently has fixed assets of more than 10 million yuan, covers an area of 16,000 square meters, has strong technical force, and has more than ten years of experience in the development and production of hydraulic valves. It can quickly and high-quality develop various mining and engineering machinery hydraulic valves according to customer requirements.