Series 20386X
Pneumatic pump mounted on drum BNH
These pumps are designed to work with grease and oil, whatever environment, The main application of the pump is as lubrication in pneumatic installations.
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Features
- Corrosion-resistant design utilizes liquid salt nitriding
- Nickel plating, stainless steel, aluminum and chrome on key components for longer life
- Few moving parts means less downtime and low repair cost
- For grease and oil
- Available with standard drum rods 60 Kg and 200 Kg
Description
Pumps that offer a long service life, offer many innovative features in terms of maintenance savings, such as reduced downtime and cost savings.
They offer a quality solution for low, medium or high volume applications regardless of the fluid to be pumped.
Two types of drum rods lengths, for 60 and 200 kg tanks, extend the range of applications considerably.
Design and operating principle
Operation is similar to most of the double action piston pumps. The pump only comes to a complete stop on the up stroke. The pump will stroke through on the down stroke due to the inlet check relief passage.
A typical example of operation may be as follows.
Excess pressure due to downstream thermal expansion causes the air motor/pump to run backwards (downward). Fluid pressure is relieved through the inlet check relief passage (b) as the pump piston moves downward. Air pressure is simultaneously relieved through the air inlet passage. The pump piston moves downward exposing the pump cylinder relief passage (a) at the bottom of the stroke. Additional excess pressure is then relieved through both the inlet check relief passage (b) and the pump cylinder relief passage (a).
The pump will not change over on the bottom of the stroke as a result of relieving excess pressure due to the positioning of the pump cylinder groove with respect to the air motor pilot valve
Installation
The typical installation shown, is only an installation guide. It is not an actual system design.
To reduce the risk of static sparking, ground the pump and all other components used or located in the dispensing area.
Specifications
| Ratio | 50 : 1 |
| Maximum working pressure | 580 bar |
| Recommended air pressure | 3 a 9.7 bar |
| Recommended maximum speed | 76 cycles/minute |
| Air inlet | G 3/8 |
| Grease outlet | G 1/4 |
| Flow | 0.0109 kg/cycle |
| Approximate weight | 10 kg |
Order information
| ADD CODE DEPENDING ON ASSEMBLY | |||||
| BNH- | XXX | X | X | (-XX) | |
| Specifications | |||||
| Ratio pump 50:1 for 60 litres drum | 060 | ||||
| Ratio pump 50:1 for 200 litres drum | 200 | ||||
| Return rod | |||||
| Without return rod | N | ||||
| With return rod | C | ||||
| Drum cover | |||||
| Without drum cover | N | ||||
| With drum cover | T | ||||
| Special code | |||||
| For non-standard elements | (-XX) | ||||
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