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Sinjin Precision Co., Ltd.
[Korea]
Address:
82, Hanamsandan 10beon-ro, Gwangsan-gu, Gwangju 506-258 Korea
Phone:
82-62-9540951
Contact name:
Choi Seong-pil , Manager



Sinjin Precision Co., Ltd.
 

Main Control Valve

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Main Control Valve

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 Origin

Korea


Main Control Valve

Introduction

The main control valve for forklift truck is composed of several sections and valves. It controls fork lifting, master tilting, and auxiliary moving functions.
The valve mainly functions as a directional control valve, but it also has several pressure and flow control valves, such as relief valve, flow regulator(down control)valve, tilt and lift lock valves. Also, additional safety functioning valves can be attached as in ISO type.

Features

  • By incorporating HYDROSTAT function, energy is reduced and heat generation is minimized.
  • Tilt lock valve prevents the accidental forward tilting if the lever is operated while engine is switched off.
  • Flow Regulator control the work's down speed.
  • Lift lock valve increase user's safety by preventing abnormal free fall of the fork.
  • In ISO type, when driver gets out of the seat or the engine stops during operation, the valve prevent accident by cutting off the flow to the directional control part.

Dimensions

2~3 Ton Class Fork LIft Truck (Specifications)

Nominal Flow Rate 95 l/min
Operating Pressure(Max) 250 bar
Relief Valve Setting Pressure Main 210 bar
Auxiliary 165 bar
Back Pressure Peak 15 bar
Max 10 bar
Fluid Mineral Oil ISO VG 46
Fluid Temperature -30°C ~-100°C

Dimensional Data

Standard type

Type A(mm) B(mm) C(mm)
2 sections 143.5 116.2 117.3
3 sections 181.6 154.3 117.3
4 sections 219.7 192.4 117.3

ISO type

Type A(mm) B(mm) C(mm)
2 sections 143.5 116.2 117.3
3 sections 181.6 154.3 117.3
4 sections 219.7 192.4 117.3

3.5~4.5 Ton Class Fork Lift Truck (Specifications)

Max Flow Rate 130 l/min
Operating Pressure(Max) 240 bar
Relief Valve Setting Pressure Main 210 bar
Secondary 150 bar
Back Pressure Peak 15 bar
Max 10 bar
Fluid Mineral Oil ISO VG 46
Fluid Temperature -30°C ~-100°C

Dimensional Data

Type A(mm) B(mm) C(mm)
2 sections 229.1 133.5 152.4
3 sections 279.9 184.3 152.4
4 sections 330.7 235.1 152.4

5~8 Ton Class Fork Lift Truck (Specifications)

Max Flow Rate 160 l/min
Operating Pressure(Max) 240 bar
Relief Valve Setting Pressure Main 188 bar
Secondary 153 bar
Back Pressure Peak 15 bar
Max 10 bar
Fluid Mineral Oil ISO VG 46
Fluid Temperature -30°C ~-100°C

Dimensional Data

Type A(mm) B(mm) C(mm)
2 sections 211.1 133.5 152.4
3 sections 261.9 184.3 152.4
4 sections 312.7 235.1 152.4

Wheel Loader Class (Specifications)

Max Flow Rate 180 l/min
Operating Pressure(Max) 240 bar
Relief Valve Setting Pressure Main 210 bar
Secondary 240 bar
Back Pressure Peak 15 bar
Max 10 bar
Fluid Mineral Oil ISO VG 46
Fluid Temperature -30°C ~-100°C

Dimensional Data

Type A(mm) B(mm) C(mm)
2 sections 202.2 133.3 152.4
3 sections 253.0 184.1 152.4

Related Keywords: Control Valve , Main Control , valve


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