Shijiazhuang Laiye Import& Export Trading Co., Ltd. is one of the leading manufacturers and suppliers of sd5 monoblock directional control valve in China, also supports customized service. If you're going to wholesale high quality sd5 monoblock directional control valve made in China, welcome to get pricelist from our factory.

SD5 Monoblock Directional Control Valve Introduction
The SD5 monoblock directional control valve delivers a nominal flow of 45 L/min at an operating pressure of 250 bar (25 MPa). It is a compact single-body valve that can be built with 1 to 4 sections, uses manual lever control and has a phosphated, salt-spray-tested surface. It belongs to the ONEDERFUL SD series of multiway directional valves.
Key Technical Parameters
| Parameter | Value |
|---|---|
|
Valve structure |
Monoblock |
|
Operating pressure |
250 bar |
| Flow rating |
45 L/min |
|
Number of sections |
1 to 4 |
|
Control method |
Manual |
|
Pressure medium |
Mineral oil-based hydraulic oil |
|
Internal leakage |
15 cc/min at 160 bar, 50 °C |
|
Ambient temperature |
−40 °C to +80 °C(−40 °F to +176 °F) |
|
Rustproof level |
Neutral salt spray test, 48 hours |
Key features
High pressure capability: rated for 250 bar (25 MPa) operating pressure.
Compact monoblock body: all spools sit in a single valve body.
1 to 4 sections: choose the number of sections to match how many hydraulic functions you need to control.
Easy to install and maintain: the SD series is designed for simple installation, maintenance and repair.
Corrosion protection: phosphated surface, tested for 48 hours in a neutral salt spray test.
Wide operating conditions: ambient temperature from −40 °C to +80 °C and oil viscosity from 12 to 400 cSt.
Applications
The SD series is used in construction machinery, sanitation machinery and drilling machinery.
Compare Monoblock Valves
|
Model |
Nominal flow |
Pressure |
Sections |
|---|---|---|---|
|
P40 |
40 L/min |
250 bar |
1–7 |
|
SD5 |
45 L/min |
250 bar |
1–4 |
|
P80 |
80 L/min |
250 bar |
1 |
Supply and Service®

- CNC precision machining
- Lead time: 7–10 days
- 1-year warranty
- 24/7 online support
Frequently Asked Questions (FAQ)
1. What are the main specifications of the SD5?
The SD5 is a monoblock directional control valve with a nominal flow of 45 L/min, an operating pressure of 250 bar (25 MPa) and manual control. It can be built with 1 to 4 sections. It works in ambient temperatures from −40 °C to +80 °C.
2. How many sections can the SD5 have?
The SD5 can be built with 1 to 4 sections.
3. What is the difference between the SD5 and the P40?
Both are monoblock directional control valves rated for 250 bar. The SD5 has a nominal flow of 45 L/min, while the P40 is rated for 40 L/min.
4. What hydraulic oil can be used with the SD5?
The SD5 is designed for mineral oil-based hydraulic oil with a viscosity range of 12 to 400 cSt.

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