PK639 Poly V Belts are potential replacement belts. 252K, EPK639 Serpentine Belts consist of several components, including polyester tensile cord, nylon fabric cover, synthetic rubber ribs. More specifically, belts are protected by synthetic rubber. The ribbed surface is protected by high wear resistant nylon elastic fabric. Polyester provides good flex life.
Belts are suitable for many applications and industries including automotive, lawnmowers, dryers, machine tools, spreaders, wet grinders, washing machines, generators, flour mills, serpentine drives, vegetable crushers, textile machinery, floor care, powertools, diesel enginies, electrical household appliances, seeding machines, concrete mixers, woodworking machines, compressors, fitness, gardening equipment, refrigeration ventilation, transporting people, paper and timber industry, aerospace, HVAC, industrial engines, energy, crude oil pumps, coal mines and quarries, cable, plastic tube extruders, bottling plants, gas stations.
|Part No||PK639 | 252K | EPK639||Interchange Micro-V (Gates), Optibelt, Multirib (Contitech), Conti-V (Continental), Flexonic and Conveyxonic (Hutchinson)||PK639 | EPK639|
|Pitch(mm)||3.56||Profile||PK | K Poly V (Elastic) | Ribbed | Serpentine|
|Length (mm)||639||Number of Ribs||2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45|
|Length (inch)||25.2||Tensile Cord||Polyester | Aramid Kevlar | Polyamide|
|Body Material||EPDM | Neoprene||Operating Temp C||-40 Degrees ~ +90 Degrees C|
|Cover Fabric||Nylon (Polyamide)||Operating Temp F||-40 Degrees ~ +194 Degrees F|
(Note: Custom sizes and materials available upon request)