Specifications

4-Spool Directional Control Valve

Rated 20 MPa, max 31.5 MPa; rated flow 40 L/min, max 50 L/min
Standard ports: P/T G1/2 , A/B G3/8 for easy integration
Wide temperature range: -40°C to 80°C
Clear P/T/A/B porting and labeling, maintenance-friendly design

Parameter	Specification / Description
Product Name	4‑Spool Directional Control Valve (P40 4‑spool assembly)
Construction	Monoblock valve bank, compact body, designed for multi‑actuator control
Rated Flow	40 L/min
Maximum Flow	50 L/min
Rated Pressure	20 MPa
Maximum Pressure	31.5 MPa
Operating Temperature	-40°C to 80°C
Standard Ports	P/T: G1/2; A/B: G3/8
Flow Path Configuration	Primarily 4‑way 3‑position; other functions available per selection
Center Position Options	Open Center / Closed Center / Float Center / Pressure Center
Spool Functions	Customizable A/B port logic and center function per spool to match loads
Actuation	Lever/joystick/mechanical linkage (manual); electric options per project
Body Material	Cast iron or corrosion‑resistant alternatives (per application)
Seals	Oil‑resistant seals chosen for fluid and temperature; pressure‑rated and durable
Hydraulic Fluid	Mineral oil (confirm compatibility for other fluids)
Recommended Filtration / Cleanliness	ISO 4406 or NAS cleanliness targets (e.g., 19/17/14 or better)
Ambient Temperature	Same as operating temperature or per system requirement (-40°C to 80°C)
Mounting Orientation	Multi‑orientation; select for ease of operation and maintenance
Connection Interface	Pipe/fitting/flange per port sizes; ensure reliable sealing
Recommended Fastening	Tightening torque per manufacturer specification; avoid over/under‑tightening
Pressure Drop Characteristics	Varies with flow and spool function; curves available during selection
Leakage Level	Low‑leakage design; values depend on function and seal materials
Response Characteristics	Fast, controllable response for mobile hydraulics
Noise & Vibration	Robust construction; influenced by piping layout and mounting method
Compatibility	Port sizes compatible with common fittings; easy integration with existing systems
Maintenance	Periodic seal inspection and cleanliness; keep ports and lines clean
Applications	Multi‑circuit control: loaders, excavators, forklifts, lift tables, agricultural implements
Document Reference	Parameters sourced from P40 4‑spool assembly (Flow/Pressure/Temperature/Ports)