Shijiazhuang Laiye Import& Export Trading Co., Ltd. is one of the leading manufacturers and suppliers of p80 series hydraulic directional valve in China, also supports customized service. If you're going to wholesale high quality p80 series hydraulic directional valve made in China, welcome to get pricelist from our factory.
Custom properties
The P80 series hydraulic directional valve flows 80 L/min - right in the middle of the P series.
If 40 L/min is too tight and 120 L/min is more than you need, this is the valve that fits. It's the middle option in the P series, built for equipment that needs more flow than the P40 can deliver without paying for capacity you don't use.
Monoblock construction - one piece of cast high-strength alloy steel. Simpler than sectional, fewer leak points, lower cost. Fixed sections - 1 to 7.
Control options: manual, cable, solenoid, pneumatic, and electro-hydraulic. Circuit type: parallel. Temperature range: -40°C to +80°C. Viscosity: 15 to 75 mm²/s.
Production description
P80 MONOBLOCK
DIRECTIONAL CONTROL VALVE
TECHNICAL PARAMETERS
|
AMBIENT TEMPERATURE RANGE |
-40℃ to+80℃(-40°F to+176°F) |
|
OPERATING VISCOSITY RANGE |
15-75mm²/s(15 cSt to 75cSt) |
|
MAX PRESSURE |
250 bar(3600 psi) |
|
RATED FLOW |
80 L/min(10.5 US gpm) |
|
STRUCTURE TYPE |
Monoblock valve |
|
SECTION |
1 Section, 2 Section, 3 Section, 4 Section, 5 Section, 6 Section, 7 Section |
P40, P80, P120 series are economical monoblock directional control valves with various applications and features of compact structure,stable performance, low price and high universality.
Control type: manual, cable, solenoid, pneumatic, electro-hydraulic, etc.
Circuit type: parallel
Monoblock structure, 1-7 sections
Ordering code
P XX - X - X - X - X X X - X X X ... - x - x
② ③ ④ ⑤ ⑥ ⑦ ⑤ ⑥ ⑦ ⑧ ⑨
① Flow:40, 80, 120
② Number of sections: 1-7
③ Relief valve set pressure: 100-250 bar
④ inlet port size: see table(1)
⑤ Control type: see table(2)
⑥ Spool type: see table(3)
⑦ Spool returning type: see table(4)
⑧ Work port size: see table(1)
⑨ Outlet port size: see table(1)
Table(1)
|
BSPthread |
Metric thread |
US standard UNF thread |
US standard NPT thread |
||||
|
Code |
Thread size |
Code |
Thread size |
Code |
Thread size |
Code |
Thread size |
|
G04 |
G1/4 |
M16 |
M16X1.5 |
U10 |
5/8-12UNF |
N06 |
NPT3/8 |
|
G06 |
G3/8 |
M18 |
M18X1.5 |
U12 |
3/4-16UNF |
N08 |
NPT1/2 |
|
G08 |
G1/2 |
M20 |
M20X1.5 |
U14 |
7/8-14UNF |
N12 |
NPT3/4 |
|
G12 |
G3/4 |
M22 |
M22X1.5 |
U16 |
1-12UNF |
||
|
G16 |
G1 |
M27 |
M27X2 |
U22 |
11/8-12UNF |
N16 |
NPT1 |
With our commitment to manufacturing excellence, we have established ourselves as a trusted partner for businesses seeking reliable and high-quality manufacturing solutions.
What 80 L/min means in practice
80 L/min isn't just a number. It's about what your equipment can do.
A skid-steer loader running lift and tilt simultaneously needs flow. 80 L/min keeps both moving without bogging down.
A forklift lifting and tilting at the same time needs flow. 80 L/min keeps the operation smooth.
A medium excavator running arm, boom, and swing needs flow. 80 L/min gives you enough to keep them all moving.
Compared to 40 L/min, 80 L/min is double the flow. That's the difference between a machine that works and a machine that works fast.
Control options - five ways to shift
Manual. Pull a lever, spool moves. Simple, direct, no electronics.
Cable. Mechanical push-pull control. No power needed. Good for remote operation.
Solenoid. Electrical signal shifts the spool. Connects to switches, PLCs, remote panels.
Pneumatic. Air does the shifting. No electricity, no wiring. Good for hazardous areas.
Electro-hydraulic. Small solenoid pilot shifts the main spool. Handles high flow with low-power signal. Good for automated systems.
Where it belongs
The P80 series hydraulic directional valve is for medium equipment that needs 80 L/min:
Small-to-medium excavators
Skid-steer loaders
Forklifts
Aerial work platforms
Sanitation trucks
Harvesters and tractors
About the company
Shijiazhuang Laiye Import & Export Trading Co., Ltd., part of Hebei Onederful® Hydraulic Technology Co., Ltd., has been making hydraulic components since 1988 - over 35 years.
We're a factory, not a trading company. Around 200 employees. Full in-house production: casting, machining, assembly, testing, phosphating.
Products go to Russia, Europe, the Middle East, South America, and Asia. ISO 9001 certified. Every valve is tested individually, with data linked to its serial number.
Customer reviews
1."It is hard to find one supplier to solve the problem of packaging we meet previous many problems: Leakage, drum distortion and so on your package no problem, so we are appreciate you can solve this problem"
Diana Aurther-Project Manager
Packaging and transportation
Factory workshop
Company exhibition
FAQ
Q: What kind of equipment is the P80 suitable for?
A: Used on small-to-medium excavators, skid-steers, forklifts, aerial platforms, sanitation trucks, harvesters, and tractors. Ideal for mid-sized equipment with multi-motion operation-like boom lift and sweeper rotation on sanitation vehicles.
Q: What causes the P80 to have trouble starting in cold winter temperatures?
A: At low temperatures, hydraulic fluid gets thicker and resistance to spool movement increases, which can cause sluggish operation or sticking during startup. It's best to use low-temperature hydraulic fluid, or run the system unloaded at low pressure for a few minutes on a cold start-wait until the oil warms up before putting it to work.
Q: How should a reset failure or a damaged spring be handled?
A: A damaged return spring prevents the spool from returning to neutral-replace the spring. If the spool is damaged or the valve body is deformed, disassemble and clean or repair it.
Q: What should be done if the valve body is leaking oil?
A: Monoblock valves don't have seals between sections, so leaks usually come from the port fittings or the mounting face. First, check the mounting bolts-tighten them if they're loose. If the bolts are fine, the port seals may have deteriorated and need replacing.
Q: Does the P80 require re-testing after repair?
A: Yes. It's a good idea to test the reinstalled valve on a test bench-check opening pressure, internal leakage, and shifting performance-before putting it back on the equipment.
Q: How should the P80 valve be stored for long periods?
A: For long-term storage, keep the valve in a dry, well-ventilated area free from corrosive gases. Seal the ports with dust plugs. It's best to fill the valve body with anti-rust oil before storing, and check the seals periodically for signs of aging.
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