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Sand-vik 86665709 Guide Valve (for DD/DL Series Drills)
Part No.: 86665709
This is an OEM hydraulic guide valve for Sand-vik DD and DL series underground drill rigs. It regulates hydraulic oil flow and pressure to ensure smooth switching of drilling functions including percussion, rotation and feed.
Basic Specifications
Part Number: 86665709
Name: Guide Valve / Directional Control Valve
Applicable Models
DD Series: DD322i, DD422i, DD422iE
DL Series: DL421, DL422i, DL422iE, DL432i
Function: Controls hydraulic circuit direction and pressure; features load sensing and oil circuit protection.
Structure: Cartridge type, complete with valve spool, spring and O-rings for direct OEM replacement.
Related Parts
88110609: Pressure Reducing Valve
88755169: Relief Valve
55218462: Hydraulic Valve Repair Kit
Notes for Installation & Procurement
Verify the rig serial number and hydraulic system version before ordering to avoid mismatching.
Inspect seals and springs during replacement; use the matching repair kit for extended service life.
Purchase original Sand-vik parts or products from authorized distributors to guarantee pressure resistance and sealing performance.