direct operated pressure relief valve from China manufacturer - Ningbo Power Hydraulic Motor Co., Ltd.

Price:	10.0~100.0 USD
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: DBD

Packing: carton

Power: Solenoid

Pressure: High Pressure

Temperature of Media: Others

Brand Name: Power

Production Capacity: 20000pc/month

Delivery Date: 2 weeks

Standard or Nonstandard: Standard

Material: Stainless Steel

Media: Oil

-For threaded connection
-For cartridge connection
. Sleeve with hexagon and protective cap
. Rotary knob
. Lockable rota

Feature of direct operated pressure relief:

-For subplate mounting

-For threaded connection

-For cartridge connection

. Sleeve with hexagon and protective cap

. Rotary knob

. Lockable rotary knob with scale

Functional description of Pressure relief valve, direct operated

The DBD pressure relief valves are direct operated poppet valves. They are used to limit the pressure in a hydraulic system.

The valves mainly consist of sleeve (1), spring (2), poppet with damping spool (4) (pressure stages 2.5 to

40 MPa) or ball (4) (pressure stage 63 MPa) and adjustment element (3). The setting of the system pressure is infinitely variable via the adjustment element (3). The spring (2) pushes the poppet (4) onto the seat. The P channel is connected to the system. The pressure present in the system is applied to the poppet area (or ball).

lf the pressure in channel P rises above the valve set at the spring (2), the poppet (4) opens against the spring (2). Now pressure fluid flows form channel P into channel T. The stroke of the poppet (4) is limited by a pin. In order to maintain a good pressure settings over the entire pressure range the pressure range is split into 7 pressure stages. One pressure stage corresponds to a certain spring for a maximum operating pressure which may be set with it.

Section of direct operated pressure relief valve:
Pressure relief valve, direct operated

Symbol of direct operated pressure relief valve:
Pressure relief valve, direct operated

Ordering details:
Pressure relief valve, direct operated

Technical data:

Size
6
8\10
15\20
25\30
Max. operating pressure
Port P
40
63
40
31.5
Port T
31.5
Max. flow            L/min
50
120
250
350
Pressure Fluid
Mineral oil or Phospate ester
Temperature range      ℃
-30~+80
Viscosity range       mm²/s
2.8~500

Unit dimensions (dimensions in mm)

Pressure relief valve, direct operated

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