Black oxide coating v belt pulley is made of high quality cast iron(GG 25), manufatured under international standard.

We have various sizes to fit all kinds of machinery.

SPZ, SPA, SPB, SPC types are produced according to the European standard.

3V, 5V, 8V types are produced according to the American standard.
Standard Cast Iron Sheaves Introduction:
&Material:DIN GG20,GG25,For each batch of casting,inspection certificate including chemcial composition, tensile strength, hardness etc will be tested & issued.
&Machining:Precesion machining for pulley with stock bore, taper bore.
&Balanced:Spoked Sheaves Statically Balanced,Static balance or dynamic balance: per as customer's requirement.
&Finish: Black oxide for steel pulleys, black phosphate for cast iron pulleys.
&Package:Cartons with sealed plastic bag.
V-belt Pulleys Made to Orders' Prints and/or Samples
Made-to-order V-belt Pulleys Introduction:
&Materials: Ductile Iron, Bar Steel, Sheet Steel, Zinc Alloy, Aluminium Alloy.
&Producing:Casting, Forging, Injection, Stamping, Split & Spun.
&Balanced:Static balance or dynamic balance: per as customer's requirement.
&Finish:No surface treatment,oiled.
&Package:Cartons with sealed plastic bag