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Used Flanges in Germany

Overview

Flanges in MRO are fittings used to join pipes, hoses, shafts and components on heavy equipment like crawler loaders. They come in weld‑neck, slip‑on, blind and threaded styles and in materials from carbon steel to stainless. Proper flange selection ensures sealed hydraulic, exhaust and gearbox connections by matching size, bolt pattern, facing type and pressure rating for safe, long‑lasting service.

FAQ

Which flange type is best for a crawler loader hydraulic line?

Choose a flange that matches the equipment’s pressure rating and connection style (weld‑neck, slip‑on, or threaded). Weld‑neck or bolted flange assemblies with the correct gasket are common for high‑pressure hydraulic lines.

How do I confirm flange size and bolt pattern?

Measure flange OD, bolt circle diameter, bolt count and hole size, plus face type. Cross‑check OEM part numbers or technical drawings to ensure exact fit.

What material should I pick for outdoor heavy‑equipment flanges?

Carbon or alloy steel with protective coatings is typical for strength. Use stainless or duplex steels where corrosion resistance is critical (salty or chemical environments).

How should flanges be shipped to avoid damage?

Ship flanges on pallets or in crates with face protectors, rust inhibitor, and secure strapping. Include gaskets and fasteners separately or boxed and insure against transit damage.

What regular maintenance do flanges on crawler loaders need?

Inspect for leaks, corrosion, and cracked welds; check and retorque bolts to spec after initial service; replace degraded gaskets, studs or seals as needed.

How can I ensure a flange is compatible with my crawler loader model?

Provide the supplier with the loader’s serial number, OEM flange part number or detailed measurements and pressure/temperature specs. Ask for material and rating certificates when in doubt.