• Model NO.: SPA 70-1
  • Gear Position: External Gear
  • Toothed Portion Shape: Spur Gear
  • Type: Circular Gear
  • Trademark: DONGHUA
  • Specification: DIN, BS, ISO, GB
  • HS Code: 84835000
  • Hardness: Hardened Tooth Surface
  • Manufacturing Method: Rolling Gear
  • Material: C45
  • Standared: GB ISO
  • Transport Package: Export Package
  • Origin: China
DONGHUA Chain Group is the most professional manufacturer of power transmission in China, manufacturing roller chains, industry sprockets, motorcycle sprockets, casting sprockets, different type of couplings, pulleys, taper bushes, locking devices, gears, shafts, CNC precision parts and so on. We have passed ISO9001, ISO14001, TS16949 such quality and enviroment certification.

Hangzhou Donghua Chain Group Co., Ltd., one of the largest chain manufacturers in China, has five subsidiaries including Hangzhou Ziqiang Chain Drive Co., Ltd. Hangzhou Dunpai Chain Co., Ltd. And Hangzhou Donghua Power Transmission IMP. & EXP. Co., Ltd. Etc. Hangzhou Donghua Chain Group Co., Ltd. Was founded in November 1991. The company is specialized in producing all kinds of standard chains and special chains, e. G. A or B series chains, automobile chains, stainless steel chains, combine harvester chains, heavy-duty cranked link transmission chains, stereo garage chains and maintenance-free chains etc.

V-BELT PULLEYS INSTRUCTION:
The material is cast iron GG25 GG20(HT200) Aluminum, etc, and after machining all pulleys are being phosphated.

Each pulley is strictly dynamically balanced with high precision dynamical balancing, Each pully is used safely and reliably.

Standard pulley with single, duplex, triplex groove

V-belt pulleys confirm to GB/T 135701; BS3790; DIN2211; ISO4183, ISO254

Our company also can make OEM pulleys with different grooves accroding customer's drawings

Both pilot bore and taper bore v-pulleys can be provided from stocks within a short delivery time.

Surface treatment: Black oxide, phosphate, painted, passivated or cataphoresis coating.
Product name  DIN standard cast iron v belt pulley 70-1
Materials Available 1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
Surface Treatment Annealing, natural anodization, heat treatment,  polishing, nickel plating, chrome plating, znic plating,yellow passivation, gold passivation,  satin, Black surface painted etc.
Products Available sprockt chains, pulley, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels gear rack) bearing, bearing seat,  bushing, coupling, lock assembly etc.
Processing Method CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
QC : Technicians self-check in production,final-check before package by  professional Quality inspector
Size Drawings
Package Wooden Case/Container and pallet, or as per customized specifications
Certificate ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Advantage Quality first Service superior , Advanced equipment,Experienced workers,Perfect testing equipment
Lead Time 15-25days samples. 30-45days offcial order

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April 29, 2024