Import Flexible Coupling, V. Johnson Coupling — Buy in Bulk from Supplier in China

The V. Johnson coupling supplied by Jilin Senfeng Pipe Co., Ltd. is a mechanical flexible coupling designed for shaft alignment compensation in rotating equipment, not for pipe connections. Constructed from ductile iron with a corrosion-resistant finish, it accommodates angular, parallel, and axial misalignments between motor and pump shafts. The coupling features a split hub design with elastomeric inserts and bolted flanges for torque transmission.

The housing is made from ductile iron meeting ASTM A536 Grade 65-45-12, with tensile strength exceeding 450 MPa and elongation of 12%. The elastomeric insert is typically polyurethane or neoprene, rated for temperatures from -20°C to 80°C and capable of absorbing torsional vibration up to 200 Nm. Unlike pipe couplings, this product does not include rubber sleeves or clamps - it is a shaft-to-shaft coupling with keyway and set-screw mounting options.

Primary buyers include manufacturers of pumps, compressors, conveyors, and industrial fans in mining, chemical processing, and water treatment sectors. The coupling is suited for medium-duty applications with speeds under 3,600 RPM. Packaging is in cardboard boxes with foam inserts for single units, or wooden pallets for bulk shipments. Trade terms are typically FOB Dalian or CIF, with MOQs negotiable based on model and quantity.

Jilin Senfeng Pipe Co., Ltd. is located in Panshi, Jilin Province, with a registered address at B-1, Jiancaijiayuan, Fukang Road. The company is listed with harbor trust tier, confirming legal registration and physical presence. There is no public data on founding year, employee count, production volume, or export history. The listing does not reference certifications, client names, or testing facilities.

The supplier appears to specialize in pipe fittings and mechanical couplings but provides no technical documentation on manufacturing processes, quality control, or material traceability. Response metrics are not available. Buyers must request product drawings, material test reports, and performance data directly before placing orders. No warranty or after-sales support is mentioned on the platform.