Gear used for Mud Pump For the Helical Gear and Helical Pinions for the mud pump of oil & gas industry, we are the most professional all over the world.Our Mud Pump Parts are widely used in oil & gas industry including north American markets.We have the professional equipment for the Mud Pump Parts, if you need Mud Pump Gears just inquiry us.The Mud Pump Gear production ranges:Model: Mud Pump GearD P: 0.6 to 3Module: 6 to 40Diameter: 200 to 3000 mmGround tooth: AGMA 13Standard: AGMA, ISO, DIN, JISMaterial: CustomizedGears precision mapping table relationshipcategorysymbolssymbolsPrecision gradesIndividual toleranceFrISO; GB/T345678910DIN456, 789101011JIS--0123456AGMA15141312, 1110998fptISO; GB/T345678910DIN345, 678910--JIS--0123456AGMA15, 1413121110987ISO 1328.1-1997/ISO1328.2-1997_ _ National standardsDIN 3961-8~3967-8-----German standardJIS B1702~703(85)-------The Japanese standardsANSI/AGMA 2000-A88------American standardsGB/T 10095.1-2001/GB/T10095.2-2001-----Chinese standard