What is the recommended crimping sleeve size and pressure range for a BEL metric tube end, type ZMR111, light series, carbon steel, zinc-nickel?

For BEL metric tube end, type ZMR111, light series, carbon steel, zinc-nickel, use the crimping sleeve and pressure range specified for the hose type and the light-series BEL (locking-ring) fittings. Recommended sleeve size: the sleeve matching the hose inner diameter and BEL light-series profile (use the manufacturerâs light-series BEL sleeve sized to the hose . typically 1 size smaller than standard heavy-series sleeves). Typical crimping pressure range: approximately 200â260 MPa (â29,000â38,000 psi) swaging pressure at the sleeve surface, or the machine setting equivalent recommended by the hose and sleeve manufacturer for light-series BEL fittings. Always confirm exact sleeve model and crimping force from the hose makerâs crimping chart or BEL ZMR111 light-series datasheet, and verify using a calibrated crimper and sample assemblies to meet dimensional and pull-off specs.

Can BEL metric tube end, type ZMR111, light series, carbon steel, zinc-nickel be used with hydraulic fluids other than mineral oil?

Possibly, but you must verify compatibility before use. Explanation and guidance: - BEL metric tube end, type ZMR111, light series, carbon steel, zinc-nickel is a crimped hydraulic fitting made of carbon steel with a zincânickel plated surface (6â10 Âµm) and a BEL lockingâring sealing method. The fitting itself is intended for hydraulic and industrial hose assemblies crimped with the correct sleeve. - Chemical compatibility depends on three elements: the hose inner tube and its elastomer (seal), the carbon steel substrate, and the zincânickel plating. Hydraulic fluids other than mineral oil (e.g., synthetic esters, polyalphaolefins (PAOs), waterâglycol, phosphate esters, biodegradable esters) can have different effects on elastomers and metal coatings. Practical points: 1. Elastomers/seals. The sealing relies on the lock ring and the hose end design; compatibility is governed mainly by the hoseâs inner tube and any seals used. Confirm the hose manufacturerâs compatibility list for the fluid in question. 2. Carbon steel. Bulk carbon steel is generally compatible with most hydraulic fluids, but fluids with high water content, strong acids/alkalis, or aggressive additives can promote corrosion or hydrogen embrittlement in some conditions. 3. Zincânickel plating. ZnâNi offers excellent corrosion resistance, but aggressive fluids (strong acids, certain ester chemistries, or high water content with corrosive additives) can degrade the plating over time. Verify with the plating supplier or manufacturer for exposure limits to the specific fluid. 4. Temperature and pressure. Elevated temperature and pressure can accelerate chemical attack. Ensure the combined fluid, temperature, and pressure regime is acceptable for the hose assembly and fitting. 5. Installation and testing. For any nonâstandard fluid, perform a qualified assembly using the recommended crimp sleeve and machine, then pressureâtest the assembly per applicable standards before service. Recommendation: Before using BEL metric tube end, type ZMR111, light series, carbon steel, zinc-nickel with a specific nonâmineral hydraulic fluid, obtain written confirmation from: - The hose manufacturer that their hose and seals are compatible with that fluid, and - The fitting/plating supplier or their technical datasheet that zincânickel plating and carbon steel are acceptable with the fluid and operating conditions. If you provide the exact hydraulic fluid type and operating temperature/pressure, I can give a more specific compatibility assessment.

BEL metric tube end, type ZMR111, light series, carbon steel, zinc-nickel

Q: How should I prepare and inspect a BEL metric tube end, type ZMR111, light series, carbon steel, zinc-nickel before crimping?

Prepare and inspect the BEL metric tube end, type ZMR111, light series, carbon steel, zinc-nickel before crimping as follows: 1. Cleanliness: remove all oil, dirt and debris from the BEL metric tube end, type ZMR111 using a lintâfree cloth and suitable solvent; ensure threads and sealing surfaces are dry and free of residue. 2. Visual inspection: check for surface coating damage, corrosion, scratches, burrs or dents-pay special attention to the sealing ring area and the crimping tail. Reject any part with coating breaks, deep scratches or deformations. 3. Dimensional check: verify outer diameter, tail length and seating depth against specification for ZMR111 and the hose/crimp sleeve being used; ensure the locking ring groove is intact and within tolerance. 4. Sealing ring and locking ring: confirm the BEL locking ring is present, undamaged and correctly positioned; inspect the sealing face for flatness and continuity. 5. Fit check: assemble the hose onto the tail to confirm proper fit and alignment before crimping; ensure no gaps or misalignment. 6. Crimping tool and sleeve: select the correct crimping sleeve and machine settings for the light series ZMR111 and hose type; verify tooling is calibrated and dies are clean. 7. Final preâcrimp check: after assembly but before crimping, recheck alignment, cleanliness and that the zincânickel coating (6â10 Âµm) around the crimp area is intact where required. Only crimp parts that pass all checks.

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Additional information

Material	CS – steel (cast iron)

Standard hydraulic end fitting (type Z – with a regular hydraulic “tail” for the hose), with a metric tube, sealing with a locking ring (BEL), lightweight series. Designed for crimping in hydraulic and industrial hoses using a crimping sleeve suitable for the hose type. Surface coated with zinc-nickel with a layer thickness of 6-10 µm, characterized by very high corrosion resistance (up to 720 hours without corrosion in a salt spray chamber). Material: carbon steel, zinc-nickel.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
TI-ZMR111-06-03-CN	End cap 6 mm, hose 3/16", lightweight, Zn-Ni	5	-	In stock	Enquiry
TI-ZMR111-06-04-CN	End cap 6 mm, hose 1/4", lightweight, Zn-Ni	6	-	In stock	Enquiry
TI-ZMR111-08-04-CN	End cap 8 mm, hose 1/4", lightweight, Zn-Ni	6	-	In stock	Enquiry
TI-ZMR111-10-05-CN	End cap 10 mm, hose 5/16", lightweight, Zn-Ni	8	-	In stock	Enquiry
TI-ZMR111-10-06-CN	End cap 10 mm, hose 3/8", lightweight, Zn-Ni	10	-	In stock	Enquiry
TI-ZMR111-12-06-CN	End cap 12 mm, hose 3/8", lightweight, Zn-Ni	10	-	In stock	Enquiry
TI-ZMR111-15-06-CN	End cap 15 mm, hose 3/8", lightweight, Zn-Ni	10	-	In stock	Enquiry
TI-ZMR111-15-08-CN	End cap 15 mm, hose 1/2", lightweight, Zn-Ni	12	-	In stock	Enquiry
TI-ZMR111-18-08-CN	End cap 18 mm, hose 1/2", lightweight, Zn-Ni	12	-	In stock	Enquiry
TI-ZMR111-18-10-CN	End cap 18 mm, hose 5/8", lightweight, Zn-Ni	16	-	In stock	Enquiry
TI-ZMR111-22-12-CN	End cap 22 mm, hose 3/4", lightweight, Zn-Ni	20	-	In stock	Enquiry
TI-ZMR111-28-16-CN	End cap 28 mm, hose 1", lightweight, Zn-Ni	25	-	In stock	Enquiry
TI-ZMR111-35-20-CN	End cap 35 mm, hose 1.1/4", lightweight, Zn-Ni	32	-	In stock	Enquiry
TI-ZMR111-42-24-CN	End cap 42 mm, hose 1.1/2", lightweight, Zn-Ni	38	-	In stock	Enquiry

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Standard hydraulic end fitting (type Z – with a regular hydraulic “tail” for the hose), with a metric tube, sealing with a locking ring (BEL), lightweight series. Designed for crimping in hydraulic and industrial hoses using a crimping sleeve suitable for the hose type. Surface coated with zinc-nickel with a layer thickness of 6-10 µm, characterized by very high corrosion resistance (up to 720 hours without corrosion in a salt spray chamber). Material: carbon steel, zinc-nickel.