Youngdongtech
Q&A
  • Tel. +82-55-283-6001
  • E-mail. yd6001@naver.com

For heavy equipment

Joystick Valve Ass’y

Product use For heavy equipment
Application 5-ton excavator or over
EXCAVATOR Xuzhou Construction Machinery Group, etc.
Features
  • This is a pilot valve that can control spool and various shifting valves remotely.
  • It is welded with aluminum, and offers outstanding durability.
  • It was manufactured to guarantee excellent reliability in durability, and has less pressure loss.
  • It offers great response to even fine manipulation.
  • It can be used in an extensive temperature range (-20℃~100℃).
  • It demonstrates outstanding performance.
  • Maintenance is easy.
  • You can choose the handle switch.
  • It is made with aluminum, so it is lightweight.
Secondary Pressure
MODEL BOOT TYPE STEP SECONDARY PRESSURE USE
kgf/cm2
YDJA Circle 1 STEP 22.5 8~30ton
YDJB Rectangle 1 STEP 22.5 8~30ton
YDJC Circle 1 STEP 28 8~30ton
YDJD Rectangle 1 STEP 28 8~30ton
YDJE Rectangle 2 STEP 28 8~31ton
YDJF Rectangle 2 STEP 28 8~32ton
YDJG Rectangle 1 STEP 25 8~30ton

Hydraulic symbol

ton/Weight
Small Size Type Large Size Type
S H
Boot/Cover
Circle Type Rectangle Type
R F
Button
NO Lever 1-botton 2-botton 3-botton 4-botton
N 1 2 3 4
Ports
O-Ring Type Gasket Type
O K

Hydraulic symbol

Hydraulic symbol

DIMENSIONS(mm)