API 674 GB/T 9234-2008 <Mechanical Reciprocating Pump> Assembly type: horizontal or vertical.Transmission type: electric motor or diesel; There are 4 ways of speed regulation,ie: by gear box, belt wheel, electromagnetic or frequency-changing. Main parts:Pump body:(material used: HT250)Fluid cylinder body: (material used: 304ss,316ss,316L ss, 2205,1Cr18Ni9Ti, 420ss,4140,1045, Nickel-phosphorus alloy galvanized carbon steel layer)Heat treatment is applied to prevent fatigue crack.Crank shaft (material used: 35CrMo, 4140,1045,QT800)Nitrogen hardening treatment is applied to attain strong strength, high hardness, durable and corrosion resistant feature.Plunger (material used: superior ceramic, Colmonoy coated,Tungsten carbide coated wear resistant and anti-corrosive layer).Packing seal: Aramid fiber ,Kevlar or carbon constructional fiber are used.Splashing lubrication & Forced lubrication is used.Suction and discharge valves types: conical valve, plate valve, ARN valve ,spherical valve and combined valves.They are wear resistant and anti-corrosive after special treatment.All series of products of our company have mutual characteristics in advanced design, modern structure, stable run, convenient maintenance, safe and reliable sealing, long life in easy-wear parts, high volumetric efficiency,etc. On the base of existing series of products, tailor-made product with special specification can be provided to the users.

cement grouting pump