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Triplex mud pumps and triplex mud pump parts are already our featured products ever since start of our business. We supply quality EMSCO F-series mud pumps including F-500, F-800, F-1000, F-1300, F-1600, and China National 3NB series mud pump, including 3NB350, 3NB500, 3NB-1000, 3NB1300A, 3NB1600A. The full range of products can well satisfy any need from the clients.




Model | F500 | F800 | F1000 | F1300 | F1600 |
Power rating HP(kw) | 500(373) | 800(597) | 1000(746) | 1300(969) | 1600(1193) |
Stroke rating SPM | 165 | 150 | 140 | 120 | 120 |
Stroke length (in/mm) | 7.5"/190.5 | 9"/228.6 | 10"/254 | 12"/305 | 12"/305 |
Gear ratio | 4.286 | 4.185 | 4.207 | 4.206 | 4.206 |
Inlet dia. (in/mm) | 8"/203 | 10"/254 | 12"/305 | 12"/305 | 12"/305 |
Outlet dia. (in) | 4" flange 5000psi | 5-1/8" flange 5000psi | 5-1/8" flange 5000psi | 5-1/8" flange 5000psi | 5-1/8" flange 5000psi |
Valve | API 5# | API 6# | API 6# | API 7# | API 7# |
Max. liner (in/mm) | 6-3/4"/170 | 6-3/4"/170 | 6-3/4"/170 | 7"/180 | 7"/180 |
Overall dimension L*W*H (mm) | 3658*2709*2231 | 3963*3025*2410 | 4267*3167*2580 | 4617*3260*2600 | 4615*3276*2688 |
Approx.weight (kg) | 9770 | 14500 | 18790 | 24572 | 24791 |
Model | CQ3NB-350 | CQ3NB-500 | CQ3NB-1000 | CQ3NB-1300A | CQ3NB-1600A |
Power rating HP(kw) | 350(275) | 500(368) | 1000(735) | 1300(956) | 1600(1176) |
Stroke rating SPM | 120 | 120 | 110 | 120 | 120 |
Stroke length (in/mm) | 7″(180 mm) | 7″(180 mm) | 10"(273mm) | 12″( 305 mm) | 12″( 305 mm) |
Gear Type | Herringbone | Herringbone | Herringbone | Herringbone | Herringbone |
Gear ratio | 4.483:1 | 4.696:1 | 3.482:1 | 3.657:1 | 3.657:1 |
Lubrication | Splash | Splash | Splash | Forced & Splash | Forced & Splash |
Valve Pot | API 5# | API 5# | API 6# | API 6# | API 7 # |
Suction Inlet | 8" ( 203 mm) | 8" ( 203 mm) | 10" (254 mm) | 12" ( 305 mm) | 12" ( 305 mm) |
Discharge Inlet | 3" flange 5000 psi | 3" flange 5000 psi | 4" flange 5000 psi | 4" flange 5000 psi | 4" flange 5000 psi |
Overall dimension L*W*H (mm) | 3100*2080*2015 | 3345*2280*2080 | 3750 *2155*2052 | 4300*2050*2447 | 4720*2822*2660 |
Approx.weight (kg) | 8058 | 9484 | 15800 | 20800 | 27100 |






















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