TUGAS 1 TUGAS 1 Mata KuliahMata Kuliah

Hidrolik Penuematik Hidrolik Penuematik

“V“Variabel Piston Pumpariabel Piston Pump””

Jenis “Reciprocating”Jenis “Reciprocating”Di SusunDi Susun

Oleh :Oleh :

Nova Ari WibowoNova Ari Wibowo

2005013005920050130059

Apakah itu pompa Apakah itu pompa reciprocating ?reciprocating ?

Merupakan pompa bolak-balik yang Merupakan pompa bolak-balik yang dirancang untuk menghasilkan dirancang untuk menghasilkan kapasitas yang cukup besar.kapasitas yang cukup besar.

Umumnya menggunakan head yang Umumnya menggunakan head yang rendah.rendah.

Digunakan pada perbedaaan Digunakan pada perbedaaan ketinggian yang tidak terlalu besar ketinggian yang tidak terlalu besar antara suction dan discharge.antara suction dan discharge.

Prinsip KerjaPrinsip Kerja

Fast moving air formed by releasing high Fast moving air formed by releasing high pressure air through a slit is discharged pressure air through a slit is discharged adjacent a surface, and drags ambient air along adjacent a surface, and drags ambient air along with it. The higher the pressure of the primary with it. The higher the pressure of the primary air supply, the worse the efficiency.air supply, the worse the efficiency.

The liquid enters a pumping chamber via an The liquid enters a pumping chamber via an inlet valve and is pushed out via a outlet valve inlet valve and is pushed out via a outlet valve by the action of the piston or diaphragm. by the action of the piston or diaphragm.

Pump is self priming as it can draw liquid from a Pump is self priming as it can draw liquid from a level below the suction flange even if the level below the suction flange even if the suction pipe is not evacuated. suction pipe is not evacuated.

KOMPONEN POMPA KOMPONEN POMPA RECIPROCATINGRECIPROCATING

InletInletStroke Position Connecting Stroke Position Connecting

RodRodEccentricEccentricOutletOutlet

The diaphragm pump is an offshoot of a plunger pump. Because of the risk that contamination could travel between the plunger and the cylinder, the diaphragm is safer for microbial processing. This applet is crude but shows how a reciprocating piston (plunger) pump works. The flywheel that moves the plunger can attach the arm to the plunger at various points to change the amplitude of the stroke and thus the pumping rate. The pumping rate can also be changed with a different rotational speed, but variable speed motors or mechanical means of changing rpm are expensive.

Jenis-jenis pompa Jenis-jenis pompa reciprocatingreciprocating

Piston pump Piston pump Diaphragm pumpDiaphragm pump

PISTON PUMPPISTON PUMP

A piston pump can be based on a single piston or, A piston pump can be based on a single piston or, more likely, multiple parallel pistons.   The more likely, multiple parallel pistons.   The pistons are reciprocated using cams or pistons are reciprocated using cams or crankshafts.   The stroke is generally crankshafts.   The stroke is generally adjustable.  This type of pump can deliver heads adjustable.  This type of pump can deliver heads of up to 1000 bar.   The largest sizes of piston of up to 1000 bar.   The largest sizes of piston pumps can deliver flows of 40m3 /hr. In practice pumps can deliver flows of 40m3 /hr. In practice these pumps are more likely to be used for these pumps are more likely to be used for metering low flow rate fluids at more modest metering low flow rate fluids at more modest pressures in laboratories and chemical process pressures in laboratories and chemical process plants.   Piston pumps are not generally suitable plants.   Piston pumps are not generally suitable for transferring toxic or explosive media.for transferring toxic or explosive media.

Diaphragm PumpsDiaphragm Pumps

There are two types of diaphragm There are two types of diaphragm pumps :pumps :

The hydraulically operated The hydraulically operated diaphragm metering pumps. diaphragm metering pumps.

The air actuated type.The air actuated type.

Hydraulically operated Hydraulically operated diphragm pumpdiphragm pump

The air actuated typeThe air actuated type

DIAGRAM RECIPROCATING

KURVA FLOWRATE Vs TIMEKURVA FLOWRATE Vs TIME

KELEBIHAN & KEKURANGANKELEBIHAN & KEKURANGAN

Very efficient and are suitable for Very efficient and are suitable for very high heads at low flows.very high heads at low flows.

The reciprocating pump is not The reciprocating pump is not tolerant to solid particles. tolerant to solid particles.

Delivers a highly pulsed flow. Delivers a highly pulsed flow. This feature is not required for safety This feature is not required for safety

for the air operated. for the air operated.

Aplikasi Pompa ReciprocatingAplikasi Pompa Reciprocating

Pompa reciprocating banyak Pompa reciprocating banyak digunakan dalam berbagai bisang, digunakan dalam berbagai bisang, antara lain :antara lain :

Industri proses.Industri proses.Perkapalan, dock, dan lepas pantai.Perkapalan, dock, dan lepas pantai.Oil and gas.Oil and gas.Aplikasi umum lainnya.Aplikasi umum lainnya.

 - Tekanan s/d 1500 bar.

- Kapasitas s/d 40 lt/menit.

 PERFORMA :

  seperti hose reel,spray gun dan lain-lain.

  diesel ataumotode elektrik, Aksesoris 

  reciprocating pump,  Penggerak mesin

  Terdiri dari : URACA high pressure

  trailer untuk mobilitas. nozzle, 

- Tersedia dalam bentuk skid frame maupun 

  sehingga akrab dengan lingkungan.

- Menggunakan air bersih sebagai media, 

KEISTIMEWAAN

heat exchanger, parts dan banyak lagi. 

Aplikasi untuk proses pembersihan tanki/vessel, pemipaan, 

tinggi dengan keandalan dalam performa. 

Pompa pembersih bertekanan tinggi, mengkombinasikan mobolitas yang 

 Tekanan s/d 1.600 m

- Kapasitas s/d 20.000 m³/jam.

PERFORMA :

- Reciprocating pump.

- Barrel type pump.

- Canister type pump.

- Multistage centrifugal pump.

- Volute casing centrifugal pump.

Standar API 610.  Produk-produk :

KEISTIMEWAAN

- aplikasi umum lainnya.

- oil & gas 

- perkapalan, dock & lepas pantai. 

- industri proses. 

Pompa sentrifugal dan reciprocating untuk berbagai jenis aplikasi, seperti: