Zdb/Z2dB Type Modular Pilot Operated Relief Valve for Excavators Spares Hydraulic Valve

• Customization: Available
• Function: Pressure Regulating
• Installation: Superposition
• Model NO.: ZDB/Z2DB
• Type: Pilot-Operated Type
• Pressure: Four Pressure Levels
• Structure: Depending on Model
• Dimension(L*W*H): Depending on Model
• Maximum Pressure: 31MPa
• Nominal Flow: 60L/Min
• Material: Rubber Cast Iron
• Color: Blue
• Temperature: -20~80 Celsius
• Power: Hydraulic
• Standard or Nonstandard: Standard
• Media: Hydraulic Oil
• After-Sales Service Provided: Online Support
• Transport Package: Strong Wooden Carton
• Specification: Depending on Model
• 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

Product Description

    ZDB/Z2DB superimposed pilot relief valve has the functions of constant pressure relief, pressure stabilization, system unloading and protection.

Model Description

 

(1)Z=Superposition
(2)2=Only for VC and VD with 2 insert relief valves
(3)DB=Pilot Operated Relief Valve
(4)6=Diameter 6
(5)Overflow function from → to
VA=A→T
VB=B→T
VP=P→T
VC=A→T and B→T
VD=A→B and B→A
(6)1=Knob
2=Adjusting screw with protective cover
3=Lockable knob with scale
7=Scaled knob
(7)L4X=L40-L49 Series
(L40 to L49 series mounting and connection dimensions remain unchanged)
(8)5 = Pressure adjustable up to 5 MPa
10=Pressure adjustable to 10MPa
20=Pressure adjustable up to 20MPa
31.5=Pressure adjustable to 31.5MPa
(9)Unmarked = Nitrile rubber seal
V = Fluorine rubber seal

   

Product Parameters

Nominal flow rate	60L/min
Maximum working pressure	31MPa
Median back pressure	≤1MPa
Working temperature	-20~80ºC
Hydraulic oil viscosity	10~400mm²/s

Detailed Photos

 

    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.