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Industrial Air Compressor Service & Sales Parts updated their address.

Air Compressor

All types of parts of industrial Air Compressor are available in a reasonable price and in good quality.
We also provide all types of Services of screw as well as reciprocating Compressors maintenance.
For any type of inquiry contact us
923427813196

compressors
We are dealing in all types of Services, maintenance and spare parts of

Air Compressor Rings

as well as


set is also available in a reasonable price
All types of parts are available in imported good quality and in a reasonable price
Please for any inquiry contact us
923427813196

Screw compressors working diagram.

is available in a reasonable price.
Please contact us
923427813196

Oil Free compressor
Backup and Rider
PTFE and Bronze filled
&Morcom Rings also available

All types of air and oil filters are available.

In a reasonable price

,

All type of replacement filter for compressor
atals, IR.. sullair, compair, hitachi,keaser. kobleco,
MANN compressor etc.
All types of replacement filter for AF compressor,
All Stages compression Rings for High pressure compressor .AF compressors, Kaji compressors are available.
All types of Services of Low and High pressure compressor i.e Replacement of part's of secrew compressors , Replacement of AF compressor Rings, Rescaling of heat exchanger.
We have team of experts.
For any query, please contact us
Re
if any interested
0342 7813196

Field Air Compressors
What is an Air Oil Separator? - Field Air Compressors

are available all types of air compressor

are also available
All types of Services and of

Please for any inquiry
Contact our service engineer
+923427813196

,

All type of replacement filter for compressor
atals, IR.. sullair, compair, hitachi,keaser. kobleco,
MANN compressor etc.
All types of replacement filter for AF compressor,
All Stages compression Rings for High pressure compressor .AF compressors, Kaji compressors are available.
All types of Services of Low and High pressure compressor i.e Replacement of part's of secrew compressors , Replacement of AF compressor Rings, Rescaling of heat exchanger.
We have team of experts.
For any query, please contact us
Re
if any interested
0342 7813196

Industrial Air Compressor Service & Sales Parts Hello everyone
We are providing our services in preventive, predictive & breakdown maintenance of oil free air compressors(AF,Booster,kaji etc) ,secrew air compressors (atlas coco, Alup etc)

All types of air and oil filters are available

Air compressor Rings

Air Valves
Suction and discharge valves of Reciprocating compressor

Rod seal of reciprocating compressor
Or back pressure seal

PTFE bronze filled tubes for Piston Rod sealing

Descaling of Booster Head

Troubleshooting Reciprocating Compressors

Few pieces of petrochemical process machinery lend themselves more readily to early symptom-cause identification than reciprocating compressors. This fact becomes quite clear when considering how the neglect of subtle performance changes can result in costly wrecks.

For example, high discharge temperatures can result from the simple primary cause of insufficient coolant supply. Not responding to this cause will lead to an overheated cylinder and ultimately to such events as piston seizure, ring breakage, and piston cracking.

Similarly, it would be a mistake not to respond to such audible symptom as “knocking in cylinder,” where the most probable cause is inadequate piston-to-head clearance. Inadequate clearance will ultimately lead to piston failure or rod breakage with attendant damage to the crosshead.

WHAT TO ‘WATCH’ AND HOW
When troubleshooting reciprocating compressors, the most important symptoms to watch for are unusual sounds and changes in pressures, temperatures, and flow rates. Consequently, the primary troubleshooting tools are our five senses, two pressure gauges, two temperature indicators, and a flow meter.

Generally, flow meters aren’t available for each individual stage of compression, but considering the fact that what enters the front end will exit at the back end, flow measurement at one stage along the way is sufficient at installations where no inter-stage inlets or knockouts are involved.

PRESSURE AND TEMPERATURE CONCERNS
It’s important to use a historical compressor log sheet to record inter-stage pressures and temperatures by stage on multi-stage compressors. When inter-stage operating conditions vary from normal, it’s indicative of trouble with one of the stages.

In general, when the inter-stage pressure suddenly drops, personnel should look at the lower-pressure cylinder. If the inter-stage pressure suddenly rises, they should look at the higher-pressure cylinder.

Compressor temperatures and pressures are basic to design calculations and help determine compressor health. The difference between the observed and calculated temperatures should be more or less constant from day to day.

The actual observed or calculated temperature may vary. And when suction temperatures increase, so will discharge temperatures. If the compression ratio across a cylinder increases, its discharge temperature also increases.

Comparing calculated and actual discharge temperatures provides a means with which to determine operating deviations.

VIBRATION-RELATED CONCERNS
Vibration analysis is usually applied to rotating equipment, such as centrifugal compressors. It can also be useful for reciprocating compressors. However, the sensors and analysis software used for recips place emphasis on this compressor’s operating speeds and frequencies, which are obviously lower than those associated with centrifugal compressors.

Vibration analysis can alert us to coupling misalignment, even in relatively low-speed reciprocating compressors. Some troubleshooters have used vibration measurements in the analysis of piping fatigue failures and cracking or other fractures initiated by inherent system resonance and pulsations. Several of those problems are caused by first or second orders of running speed; either can excite resonant frequencies in pipe runs.

Usually, if the vibration frequency is higher than twice the running speed of the machine, acoustic pulsations are suspected.

QUICK TROUBLESHOOTING GUIDE
The following troubleshooting symptom-and-reaction list is offered as a basic guide only. Available as a downloadable PDF (see link below), it reflects the eight most common reciprocating-compressor issues along with their most probable remedies.

1. Compressor Will Not Start
* Check power supply, switchgear, and the control panel.
* Verify proper oil pressure to ensure oil-pressure shutdown has cleared.
* Ensure all starting permissive circuitry has been satisfied.
* Ensure nothing is blocking running gear or engine.

2. Low Oil Pressure
* Check all local pressure gauges for proper operation
* Verify proper operation of oil pump.
* Inspect pump for wear, and repair or replace if needed.
* Check for proper frame oil level. Drain or fill as needed.
* Check lube-oil filter differential pressure. Change elements as needed.
* Check setting of lube-oil pump relief valve. Increase if needed.
* Inspect frame lube-oil strainer.

3. Frame Knocks
* Verify proper running-gear clearances.
* Inspect running-gear components.
* Check for proper oil pressure and temperature.
* Inspect cylinder, piston end clearance, piston nut, or crosshead nut.

4. Noise In Cylinder
* Check end clearance.
* Check piston and crosshead nuts.
* Inspect for broken or leaking valves.
* Inspect piston rings and rider bands.
* Verify valves are installed correctly.
* Verify un-loader plugs are seating properly.
* Open discharge bottle drains to ensure no liquid in cylinder.

5. Excessive Packing Leakage
* Inspect packing rings for wear, replace as necessary.
* Check for proper lubrication and adjust accordingly.
* Inspect packing case for dirt or debris.
* Verify packing properly assembled.
* Check packing vent line for obstruction.
* Inspect for damaged piston rod and repair or replace as necessary.
* Check packing clearances.
* Check piston-rod run-out.

6. Packing Overheats
* Inspect packing for contamination.
* Inspect rod for damage.
* Inspect packing clearances, on the rod and in the packing case.

7. High Discharge Temperature
* Inspect suction and discharge valves for leakage.
* Inspect cylinder water jackets, clean if needed.
* Check suction start-up screen.

8. Low Suction Pressure
* Check inlet filter differential pressure, shift filters as needed.
* Inspect isolation valves for proper operation.

Piston & Connecting Rod Assembly

How to install vortex air flow meter

Compressor installation

Bolt

A bolt is a type of threaded fastener (like a screw) and is a male part. It is generally made of a metal. It is used to keep two or more hardware parts together (in a specific position).

Shank of the bolt is only partially threaded, just to accommodate a nut.

A bolt is sometimes also known as through bolt.

Note: Those who don’t know ‘shank’. It is discussed later in this article.

Note: Those who don’t know ‘What is a fastener?’. A fastener is a hardware device which mechanically affixes or joins two or more parts together.

However, there are many similarities between bolts and screws, there are some differences too.

Differences between screws and bolts
You can find some differences between screws and bolts, just by looking above figures. Below are some other differences.

A screw can have a tapered shank but a bolt can’t because it has to be assembled with a nut
Bolt require nut to have a grip on the joining parts but screw doesn’t.


Bolts are used to assemble two non-threaded parts together (unlike screw).
Screws are smaller in size when compared to bolts.
Screws have a large variety of head whereas bolts have either hexagonal or square head.

As shown in above diagram a bolt can be divided into following parts.

Head: It is the part of a bolt from where a spanner can hold it (to make it tight or loose).
Shank: A bolt can be broadly divided into two parts head and shank. Shank is partially threaded (as shown in figure) to accommodate a nut.


Grip length: It is the part of bolt that accommodates the parts which are to be assembled. Grip length should be equal to the combined thickness of joining parts.
Thread length: It is the part of bolt that accommodates the nut.
Nominal length: It is the sum of thread length and grip length (as shown in figure).

AF Compressors Reciprocating 40Bar MC244B internal cylinder...