IN- LINE FUEL INJECTION EQUIPMENT - ZW SIZE |
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The ZW size in-line fuel injection equipment include the following ones: - injection pump (ZW-size, in-line) with its own camshaft, provided with a flange or base for mounting on the engine; -feed pump, with double acting piston, hand-actuated pump and in some cases with sediment bowl; -centrifugal speed governor RQU type, for two speed range or RQUV for all-range speeds |
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The in-line pumps follow the same basic operating principle and configuration, a pumping element and delivery valve for each engine cylinder, arranged in a straight line up to 12 cylinders.The pump's plunger lift is constant and delivery per stroke is controlled by timing of a metering helix on the plunger. Fuel metering is adjusted to engine speed by a mechanical governor. Each size and individual pump within the size range is conceived, engineered and calibrated to meet the requirements of the specific engine for which is intended. |
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FEATURES |
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Flange or base for mounting on the engine | |
Lubrication by engine oil self-contained system or own self - contained system |
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Mini-max or all-speed mechanical governor to suit specific applications |
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Positive or negative torque control by governor |
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Excess start fuelling system |
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Shut-off system |
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Boost pressure compensator |
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Fuel feed pump, hand actuated priming pump, primary filter and sediment bowl |
Technical parameters |
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Parameters |
Measure |
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Max. power per engine cylinder |
kW |
135 |
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Max. peak injection pressure |
bar |
950 |
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Number of pumping outlets |
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4, 6, 8, 12 |
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Max. pump speed |
rpm |
1200 |
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Plunger diameter |
mm |
14, 15, 16 |
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Plunger stroke |
mm |
11 |
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Rack stroke |
mm |
34 |
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Built-in mechanical governor |
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RQU or RQUV type |
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Operating temperature |
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From -200C to + 1100C |
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Pump rotation |
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Clockwise or anti-clockwise |
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Lubrication |
By engine oil or self-contained system |