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400-820-9728
Product Categories
hose
Joint
Hydraulic equipment
Fluid control valves
Rigid tubes

English

Products

Product Categories

hose
Joint
Hydraulic equipment
Fluid control valves
Rigid tubes
hose
Joint
Hydraulic equipment
Fluid control valves
Rigid tubes
400-820-9728

Hydraulic Piping Solution for Grain & Oil Flaking Mills

Complete hydraulic hose assemblies and connecting fittings — anti-vibration and high-pressure rated — ensuring long-term stable operation of the flaking-mill roll-gap cylinders.

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Hydraulic Hose Assembly High-Pressure Oil-Resistant · Easy-to-Flush Outer Wall · Flexible Line for Roll-Gap Cylinders

Flexible piping for flaking-mill roll-gap control: 8 hydraulic hose assemblies run from the local control panel, with fittings into the cap/rod chambers of 4 double-acting roll-gap cylinders. Suited to soybean-dust conditions in grain & oil plants, oil-resistant, smooth hose outer wall easy to flush; assemblies' fittings pass 400 MPa burst + air-tight tests, anti-vibration, low leakage, avoiding oil-contamination risk of flakes in food plants and effectively compensating equipment displacement and vibration.

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Precision Steel-Pipe Assembly Main Supply/Return Line · Factory-Preformed Bends · Unified Line Flushing

The high-pressure supply/return main from the HPU to the local control panel uses prefabricated precision steel-pipe assemblies. Rigid steel pipe replaces long hose runs, cutting fitting count and leak risk, with strong pressure rating and controlled inner-wall cleanliness; bending, welding, pickling/passivation and pressure testing are all completed in the factory, enabling direct on-site assembly and greatly shortening line downtime for maintenance.

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High-Pressure Hydraulic Hose Assembly (Flaking-Mill Roll-Gap Cylinder Control Circuit)
High-Pressure Hydraulic Hose Assembly (Flaking-Mill Roll-Gap Cylinder Control Circuit)

Double-acting roll-gap cylinders with separate circuits for rod and cap ends, delivered as 8 complete outputs; oil- and dust-resistant, hose outer wall easy to flush, compensating equipment displacement and vibration from panel to cylinder and reducing leak probability under impulse-vibration duty.

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Precision Steel-Pipe Assembly (Flaking-Mill HPU Main Supply & Return)
Precision Steel-Pipe Assembly (Flaking-Mill HPU Main Supply & Return)

HPU ↔ local control panel high-pressure supply/return main; factory-preformed bends, optional welding or DIN ferrule connection, fewer on-site leak points, stable pressure rating, controllable inner-wall cleanliness, suited to long continuous grain & oil line operation.

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Transition Fittings · Ferrule Fittings · SAE Flanges
Transition Fittings · Ferrule Fittings · SAE Flanges

Dedicated piping connectors for flaking-mill oil circuits, enabling reliable transition and sealing between steel pipe ↔ hose, hose ↔ cylinder / valve block. DIN ferrule, metric flat-face O-ring, SAE flange in multiple sizes; anti-vibration, anti-loosening; servo-valve drain line routed independently to avoid back-pressure disturbing roll-gap control accuracy — one-stop complete piping kit.

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KUNGFLEX Hydraulic Piping Components for Flaking Mills

Complete chain from HPU to roll-gap cylinders: precision steel-pipe assembly + hydraulic hose assembly + transition / ferrule fittings + high-pressure ball valve. KUNGFLEX selects materials and prefabricates to grain & oil plant cleanliness and leak-proof requirements, delivered as one stop.

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Connecting Fittings & Valves
Transition Fitting (Steel Pipe – Hose)
Transition Fitting (Steel Pipe – Hose)
Ferrule Fitting
Ferrule Fitting
High-Pressure Ball Valve
High-Pressure Ball Valve
Anti-Vibration Leak-Proof Piping & Sealing Solution

Transition fittings, ferrule fittings, SAE flanges, high-pressure ball valves and maintenance quick couplers, combined with hose and steel-pipe assemblies into a complete hydraulic circuit; all connectors pass air-tight and pressure tests, resist the flaking mill's continuous vibration, reduce leak-contamination risk of grain & oil flakes, and ease line maintenance and spare replacement.

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Typical Application Scenarios
Soybean Pretreatment & Flaking

The flaking mill presses cleaned soybeans into 0.2~0.4 mm flakes; a hydraulic closed loop controls roll gap and pressure in real time, automatically lifting the roll on hard impurities to protect the rolls.

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Large Soybean Extraction Line (6000 t/day)

Complete hydraulic piping for the whole flaking line in the pretreatment workshop, with HPU arranged in duty + standby configuration to secure continuous stable production.

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Hydraulic Power Unit ↔ Local Control Panel

The HPU delivers pressure oil to the local control panel via the main steel pipe; the servo valve's independent drain returns to tank, eliminating back-pressure disturbance and safeguarding roll-gap control accuracy.

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Oil & Feed Processing Lines

Oil pressing, extrusion, solvent extraction and feed pelleting equipment all need high-pressure hydraulics and clean piping; KUNGFLEX can supply the complete piping component package.

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Hydraulic Connections Across the Whole Grain & Oil Process

From soybean pretreatment to oil extraction, KUNGFLEX hydraulic hose and steel-pipe assemblies are proven in large grain & oil projects; the same solution can be reused for oil presses, expanders, feed pelletizers and food-factory hydraulic equipment.

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FAQ
Why does a flaking-mill hydraulic system use a 'steel pipe + hose' hybrid line?

The HPU to local control panel run is long and fixed, so precision steel pipe cuts fittings and leak points and withstands high pressure; the panel-to-roll-gap-cylinder section has relative motion and vibration, so hydraulic hose assemblies compensate displacement and lower vibration transfer. Together they balance reliability and flexibility.

What special requirements does a food plant environment impose on hydraulic piping?

Must resist mineral oil, smooth easy-to-clean outer wall, no soybean-dust trapping; reliable fitting seals prevent leaks and avoid oil triggering food-safety audits. KUNGFLEX supplies hoses with easily flushable outer walls and fitting assemblies tested for pressure / air-tightness.

How are the double-acting roll-gap cylinder oil circuits arranged?

Each double-acting cylinder has two independent circuits (cap and rod); the flaking mill's 4 roll-gap cylinders give 8 control outputs, with hose assemblies zoned by cylinder position for easy identification and maintenance.

Why should servo-valve drain have a separate return?

If servo-valve drain merges with the main return, back-pressure fluctuation disturbs roll-gap control accuracy; a separate drain line returning to tank keeps control stable.

Can it be prefabricated to site dimensions?

Yes. Steel-pipe assemblies are preformed, welded and pressure-tested to site routing; hose assemblies are customized by length, pressure rating and fitting type, ready to install on arrival, shortening downtime for maintenance.

Is the product quality-backed?

KUNGFLEX is capable of ultra-high-pressure burst testing up to 4000 kg (approx. 400 MPa); hose assemblies undergo impulse, burst and air-tightness tests; the factory is certified to ISO 9001:2015.

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