Manufacturer (3NB-300 / 12-45 mud pump) manufacturers of reciprocating rig mud pump mud pump drilling rig mud pump mud pump drilling rig mud pump mud pump model mine manufacturers 3NB-300 / 12-45 for the province of state-owned enterprises mud pump deepen the reform and development of mixed-ownership enterprises to grow and accumulated experience, and establish a representative. After the reorganization of Shaanxi coal trading center, 3NB-300 / 12-45 mud pump is not only an important part of Shaanxi Province, to build a large logistics system is innovative Shaanxi coal trading patterns, establish highly market-oriented, standardization and open coal important measure trading system, 3NB-300 / 12-45 or mud pump Shaanxi province to establish a modern industrial body 3NB-300 / 12-45 mud pump achieve the province's resources and industrial advantages into economic advantages and development advantages into making too useful exploration. The new company formation operations, 3NB-300 / 12-45 mud pump is bound to protect the national security of energy supply and energy strategy, promoting western development, accelerate the construction of the western province to contribute. 3NB-300 / 12-45 Parameter Type Horizontal triplex mud pump reciprocating single-acting piston pump stroke length (mm) 110 Bore (mm) 75 Pump Speed ??(min-1) 206 153 112 82 Flow (l / min) 300 220 160 120 Pressure (MPa) 6.0 8.0 10.0 12.0 volume ratio (%) 85 Total efficiency (%) 72 required power (Kw) 45 maximum suction height (m) 2.5 inlet diameter (mm) 3-inch cloth pressure hose 76 drain diameter (mm) 2-inch two-wire high-pressure hose 51 Dimensions: Length X Width X Height (mm) 2020X1100X1130 Weight (Kg) 750 Gast Shandong Mining Equipment Co., Ltd., for many years engaged in the production and mining equipment R & D, with the strength to prove quality, welcome new and old friends to negotiate