318502141
XCMG Flange 318502141 – Genuine OEM Hydraulic Flange for XCMG Hydraulic Excavators
2026-11-08
318502140
XCMG Seal Strip 318502140, L=120 – Genuine OEM Weather Seal for XCMG Hydraulic Excavators
2026-11-08

XCMG Butterfly Valve 318502142 – Genuine OEM Quarter-Turn Valve for XCMG Hydraulic Excavators

XCMG Butterfly Valve 318502142
Butterfly Valve
XCMG Дисковый затвор 318502142
Дисковый затвор
XCMG Válvula de mariposa 318502142
Válvula de mariposa

OEM 318502142 The XCMG Butterfly Valve 318502142 is a genuine quarter-turn valve that starts, stops and throttles fluid flow on XCMG hydraulic excavators.

Issued under the official part number 318502142, the valve gives the technician a correctly sized unit that matches the flange, bore and handle clearance it is designed for.

The body and disc are machined to the XCMG drawing, so the flange holes, shaft bore and seat face line up with the piping without force.

A matched disc and seat close evenly, so the valve shuts off flow instead of weeping past a worn or distorted seal.

A protective coating resists oil, water and corrosion, so the valve keeps its movement and finish through wash-down and long outdoor duty.

Every unit is checked for flange spacing, disc travel, seat tightness and handle action before the batch is packed for shipment.

Fitted to coolant, water and fluid lines, this butterfly valve lets the operator isolate a circuit quickly during service or an emergency.

Butterfly Valve 318502142 – Technical Specifications

ParameterSpecification
OEM Number318502142
Product NameButterfly Valve
BrandXCMG (Genuine OEM)
TypeQuarter-turn butterfly shut-off valve
MaterialCast iron, brass or steel per XCMG drawing
Manufacturing MethodCast or machined and assembled to drawing
Surface TreatmentPainted, plated or coated per OEM
Flange Hole SpacingPer XCMG drawing specification
Nominal BorePer XCMG drawing specification
Body LengthPer XCMG drawing specification
Disc MaterialSteel, brass or coated disc per OEM
Seat MaterialEPDM, NBR or PTFE per XCMG drawing
Handle TypeLever handle, quarter-turn operation
ToleranceOEM drawing limits on flange and bore
Working PressureRated for the connected circuit
Leak TightnessBubble-tight shut-off at rated pressure
Operating CyclesTested for repeated valve use per OEM
Temperature Range-30°C to +120°C
Fluid CompatibilityHydraulic oil, coolant and water
Corrosion ResistanceResists water, dust and salt exposure
Fixing MethodFlanged, clamped or threaded per OEM
ApplicationFlow isolation and throttling control
CompatibilityXCMG hydraulic excavators
Installation ToolsCleaning cloth, spanner set, gasket set
PackagingExport carton with protective bag
StandardsISO 9001:2015, ISO 14001:2015, RoHS, REACH

Key Features and Outstanding Benefits

The 318502142 valve is produced to the XCMG drawing, so the flange holes and bore line up with the piping on the first attempt.

A matched disc and seat give a bubble-tight shut-off, so the line stops flowing fully instead of weeping past the seal.

The lever sweeps a clean quarter turn, so an operator isolates the circuit fast with a gloved hand in tight engine bays.

The body resists oil, water and wash chemicals, so the valve does not corrode, seize or bind at the shaft over time.

Because the part matches the OEM number, a fitter installs it straight from the bag without adapters, trimming or extra sealant.

Correct seat hardness keeps the disc loaded under vibration, so the valve does not drift open on rough ground.

A sound valve also stops fluid loss and air ingress, which protects pumps, coolers and cylinders downstream from damage.

Keeping a spare valve on the shelf shortens repair time, so a leaking line does not turn into a full day of lost production.

Material Quality and Dimensional Control

Each lot begins with certified cast iron, brass or steel tested for chemistry, hardness and pressure strength before machining.

Bodies are machined and assembled in controlled tooling, so the flange spacing, bore and shaft bore stay uniform from batch to batch.

Discs are ground and seats are molded to a matched profile, so the sealing pair closes evenly across the full face.

Inspectors measure flange spacing, bore diameter, disc travel and handle clearance against a gauge for this exact part number.

Batch records trace every 318502142 valve to its material lot and production run, so a quality question is settled quickly.

How a Butterfly Valve Supports Machine Reliability

A butterfly valve isolates a section of line so fluid can be stopped or throttled for service, storage or an emergency.

A worn or leaking valve lets fluid escape and lets dirt enter, which causes wear, leaks and unexpected failure downstream.

The genuine 318502142 holds a tight seal, so pressure stays where it belongs and internal parts stay protected.

Correct fit avoids both a valve that weeps at the shaft and one that cracks the flange when tightened past its limit.

A sound valve protects hoses, coolers and cylinders, which keeps service intervals predictable and extends machine life.

Installation Steps and Routine Inspection

The 318502142 valve is installed with a cleaning cloth, a spanner set and a gasket set during hydraulic or cooling service work.

Release system pressure, drain the affected line and clean the flanges so no dirt or old gasket sits under the new valve.

Check the flange faces and bolt holes for damage, rust or old sealant, since a rough face will stop the valve sealing fully.

Fit the gaskets, align the valve between the flanges and start the bolts by hand so the body is not twisted.

Tighten the bolts evenly to the torque in the service data, so the valve seals without cracking the body or crushing the gasket.

Cycle the lever open and closed, refill the system and check the flanges and shaft for weeping after the first pressure cycles.

At service intervals, look for fluid film, a stiff lever or a weeping shaft and renew the part before a leak spreads.

Quality Assurance and Validation Testing

Every 318502142 valve is produced in an ISO 9001 and ISO 14001 certified plant with traceability from material to carton.

Incoming material is tested for chemistry and strength, and finished valves are gauged for flange spacing, bore and disc travel.

Each batch is screened for cracks, porosity and coating defects, since these flaws cause leaks or let the valve break under pressure.

Post-production checks include visual review, dimensional verification and a trial fit in the XCMG flange fixture.

Sample valves from each batch undergo pressure, cycle and salt spray tests to confirm shut-off and corrosion performance.

Genuine XCMG Versus Aftermarket Alternatives

Cheap copies often use soft seats and rough discs, so the valve weeps at the seat or binds at the shaft soon after installation.

A valve with the wrong flange spacing or bore can leak at the gasket, crack the flange or leave the lever fouling nearby parts.

The genuine 318502142 is made to the XCMG drawing, so flange, bore, seat and material match the original part.

Using genuine XCMG parts also preserves warranty coverage, protects resale value and keeps fit with OEM piping.

Backed by XCMG global quality standards and technical support, this butterfly valve performs reliably in harsh conditions.

Cost Savings and Uptime Advantages

Choosing the genuine 318502142 valve prevents a small weep from turning into a damaged pump or cooler.

A failed valve lets fluid escape and dust enter, which wears machined surfaces and shortens component life.

A correctly made valve shuts off firmly, so it does not work loose and does not need repeated tightening or replacement.

Reliable valves also keep pressure contained, which improves machine performance and lowers ownership cost.

Service records from construction and mining fleets show genuine XCMG parts cut unplanned downtime.

Sustainability and Lifecycle Considerations

XCMG produces the 318502142 valve with efficient casting and machining runs that keep production scrap low.

A long service life means fewer replacements, which lowers the material and energy tied to each valve.

Shutting off fluid lines prevents leaks and contamination, which protects soil, groundwater and internal parts.

The materials in this part comply with RoHS and REACH requirements for safe handling and responsible recycling.

Global Availability and Supply Chain Strength

The 318502142 valve is stocked in XCMG depots serving North America, Europe, Asia and Australia.

Each unit is bagged to protect the finish and boxed in a strong carton that guards against dust, damp and crushing.

Fleet buyers can request volume pricing and combined freight, which simplifies planning and lowers landed cost.

Live stock data and responsive supply teams cover urgent requests fast, so machines return to work sooner.

Careful packing keeps the flange faces and disc undamaged until installation, avoiding the distortion seen in loose storage.

Conclusion

The XCMG Butterfly Valve 318502142 is a small but important control part on XCMG excavators, isolating fluid lines across the machine.

Its accurate flange, tight seat and durable material deliver dependable shut-off in rain, dust and heat.

By keeping lines sealed, this valve cuts downtime, protects internal parts and extends the life of the assembly.

Buy only genuine XCMG parts from authorised dealers to secure real quality, correct fitment and lasting performance.

Specify the 318502142 valve for dependable flow control and confident, trouble-free servicing.

Work with XCMG, a trusted supplier of engine and hydraulic components for heavy equipment that delivers real value.


OEM 318502142 – XCMG Butterfly Valve – the definitive quarter-turn shut-off valve for clean, controlled flow on your excavator. Machined to the drawing, finished for a precise fit, and backed by global quality standards. Trust the original to protect your investment and maximise uptime.

Hot Sale Genuine XCMG Excavator Parts

Recent News

2025-04-24

XCMG Markings

XCMG Markings Facebook Lin […]
2025-04-24

XCMG Right Arm Cylinder

XCMG Right Arm Cylinder Fa […]
2025-04-24

XCMG Left Arm Cylinder

XCMG Left Arm Cylinder Fac […]
2025-04-24

XCMG Working Device Piping

XCMG Working Device Piping […]
2025-04-24

XCMG Center Column

XCMG Center Column Faceboo […]
2025-04-24

XCMG Unloading Hydraulic System

XCMG Unloading Hydraulic S […]
Chat with us
Chat with us
Questions, doubts, issues? We're here to help you!
Connecting...
Please leave your inquiry and your phone. We will give you feedback within 12 hours.
Our operators are busy. Please try again later
:
:
:
:
Have you got question? Write to us! Please leave your phone or what'sApp
:
:
This chat session has ended
Was this conversation useful? Vote this chat session.
Good Bad