High pump pressure, Large displacement Solid compact structure Outstanding operation performance Long stroke at lower speed

      Rongli Petroleum Machinery Co., Ltd. is a professional manufacturer of oil drilling equipment strictly according to API and ISO standard. Our products mainly cover oil drilling rig, workover rig, triplex single-acting mud pump, pump package, solid control system and their parts etc.

     

     3NB series mud pumps are manufactured strictly according to SY5138 standard of CNPC and are tested accordingly when leave factory. This series mud pumps are widely used in oilfields and other industrial mining enterprises for well drilling and well repairing etc.

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l           Specification of RL3NB-350

Stroke per minute	Liner size (mm) and Pressure Rating(Mpa)
	φ90	φ100	φ110	φ120	φ130	φ140	φ150	φ160
	31	25	20.8	17.5	14.9	12.8	11.2	9.8
	Displacement (L/S)
130	7.44	9.18	11.11	13.23	15.52	18.00	20.67	23.51
120	6.87	8.48	10.26	12.21	14.33	16.62	19.08	21.70
110	6.29	7.77	9.40	11.19	13.13	15.23	17.49	19.90
100	5.72	7.07	8.55	10.17	11.94	13.85	15.90	18.09
Based on 100% volumetric efficiency and 90% mechanical efficiency

3NB-350 Mud Pump