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A mud pump is a reciprocating piston/plunger device designed to circulate drilling fluid under high pressure down the drill string and back up the annulus.
Mud pump is a large reciprocating pump used to circulate the mud (drilling fluid) on a drilling rig. It is an important part of the oil well drilling equipment.

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Most commonly, operator error is the cause of problems with concrete pumps.
Pump line blockages can also occur and these are due to either operator error, a problem in the concrete mix design or insufficient mixing of all the ingredients used to make concrete, which can cause segregation of the mix. A delay in placing concrete due to traffic congestion or problems on site can also result in ..

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Yes, just give us a five or six inch opening and we can place our hose through the opening and pump into any area with that small of an access.

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Small concrete pump can pump concrete vertical height 110m (360feet) and level transmission distance 300m (980feet).
Large concrete pump can pump concrete vertical height 150m (492feet) and level transmission distance 450m (1475feet).

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The factory fill hydraulic oil is anti-wear YB-N68. If the temperature in the working site is much low, YB-N68 is suggested.

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Generally speaking, yes, concrete mixer pump and concrete pump are safe to operate. The pump has evolved into a machine with many different safety features, like an ‘emergency stop’ (or ‘E-Stop’) butt..