Orion KRF08A-B-04E Manuale utente

Spec. No. KRF08A-B-04E

OrionTradeName DRY PUMP 

Orion Model  KRF08A-B-04 

 Date: May 22, 2009

APPD CKD DWN

Yamada N

Takei S

Miyazawa

ORION MACHINERY CO., LTD.

Spec. No. KRF08A-B-04E



−1−

1. Warranty

1-1. Warranty period

The product shall be warranted for a period of one year from the date of purchase, or for

5000 hours of operation, whichever comes first.

1-2. Items exempted from warranty

①Consumable parts and periodic replacement parts.

② Fault caused by careless handling or improper use and maintenance. (Operation not

following the specifications and the instruction manual. Operation under abnormal

environmental conditions.)

③ Fault caused by fire, flood, lightning stoke, abnormal voltage or unforeseen disasters.

④ Fault caused by repair or modification not performed by ORION or ORION authorized

service contractors.

⑤Change of appearance, such as damage or deterioration caused in general use.

⑥Secondary damages caused by the fault (Incidental damages such as loss, inconvenience,

and commercial loss resulting from the failed product).

(Note) In case of a fault or an accident, contact the dealer with the model name and

serial number.

Spec. No. KRF08A-B-04E



−2−

2.Consumable parts / Periodic replacement parts

(1) Consumable parts (Parts to be replaced depending on the state at the time of inspection)

Name of Parts Parts Number Qty/ unit Inspection

period Replacement criterion

Filter element

(Inlet side) 04000028010 1 1 week

Whendamaged,ordirtcannotberemoved

byblowingair.

Filter element

(exhaust side) 04000028010 1 1 week

Whendamaged,ordirtcannotberemoved

byblowingair.

O-ring(65) 35154544040 2 Replacement

of element Whendamagedorworn.

Gasket (B) 04009579010 1 Removal of

SD case Whendamagedorworn.

Washer 33000300020 2 Removal of

SD case Whendamagedorworn.

Gasket 04100818010 4

When the cap

or case

attachment is

removed.

Whendamagedorworn.

Spring shaft 04100817010 2

Replacement

of element Whendamagedorworn.

Spring tube 04039359010 1 Replacement

of element Whendamagedorworn.

Spider 0400139610 1 6 months Whenitbecomesdamagedorcrushed.

Liner *1 040000370□0 To be decided

by actual

positioning

Whentheblade

isreplaced. Whenitbecomesdamaged.

*1 The second digit from the right is subject to thickness.

0.2t(white)→1, 0.1t(black)→2, 0.05t(yellow)→3,0.03t(red)→4

(2) Replacement parts (Parts to be replaced at regular time intervals)

Name of Parts Parts No. Qty

/ unit

Replacement time

Blower 60kPa operation Blower 70kPa operation

Vane 04101753010 4 12,000 9,500

Bearing 0A000227000 2 12,000 9,500

*When vanes are replaced, replace bearing at the same time. Use ORION specified bearings

that are lubricated with special grease.

Spec. No. KRF08A-B-04E



−3−

* Use the maintenance kit for replacement parts.

(3) Motor Maintenance Cycle (An estimated indication of when motor replacement might be

necessary. Actual motor lifetime will depend on specific operating conditions.)

Part Name Part Number Specifications Qty ※Maintenance Cycle

Motor 0A001958000 Three phase 0.2kW 4P 1 20,000h

* Indicates the time when the chance of failure due to wear increases. The motor doesnot

necessarily require replacement after this time; the actual replacement time willdepend on

the operating conditions and environment of the particular installation. Please have the motor

replaced when operation becomes abnormal.

(4)Maintenance of plastic parts affecting operational safety

Replace the following plastic parts affecting operational safety promptly upon detection of

breakage or deformation. Failure to do so may cause personal injury.

NameofParts PartsNo. Qty/unit

Coupling cover (A) 02100771010 1

Coupling cover (B) 02100772010 1

Main cover assembly 03102492010 1

※To order a main cover assembly, check the pump model type and manufacturing number

shown on the name plate of the pump in use and advise us of these particulars.

Name of Parts Parts number Items Pcs / kit

Maintenance kit

08 Assembly 04101221010

Vane 4

Bearing 2

Liner (white) 4

Liner (black) 4

Liner (yellow) 6

Liner (red) 8

Spec. No. KRF08A-B-04E



−4−

3. Specifications Model KRF08A-B-04

Frequency Hz 50 60

Designed capacity *1 L/min 135 155

Continuous

operative

vacuum

Recommended

range *2 kPa 60 or less

Maximum

value *3 kPa 70

Diameter of piping connection Rc3/4

Motor

Phase / output/ pole Three-phase / 0.2kW / 4P

Frame no. / heat

resisting class 63M / E

Frequency / Rated

voltage – current

50Hz / 380V – 0.62A

400V – 0.64A

415V – 0.65A

60Hz / 400V – 0.55A

440V – 0.57A

460V – 0.58A

Setting for thermal protection

*4 A

50Hz / 380V – 0.68A

400V – 0.70A

415V – 0.72A

60Hz / 400V – 0.61A

440V – 0.63A

460V – 0.64A

Mass Kg 14

Painting color Black (except motor)

Installation condition

(Suction air)

Installation site Indoor

Permissible ambient

temperature deg.C 0 to 40

Permissible ambient

humidity %RH 65 ±20 (JIS Z8703)

Conditions

Corrosive or explosive gas must not exist

in ambient atmosphere.

Clean air with less dirt and dust, free of

vapor and dew condensation.

Operation noise *5 dB 64 67

*1 Designed Pumping Capacity: Theoretical value calculated from volume. Refer to Performance

Data for actual flow rate.

*2 Recommended range: Vacuum/pressure range the pump can exert its optimal performance (life,

operation noise, etc.). In case high degree of vacuum/pressure is not required, operate at

recommended range.

*3 Maximum value: The maximum degree of vacuum/pressure pump can continuously run. Do not

operate pump continuously over this limit. Doing so will shorten pump life and can lead to

premature failure or accidents.

*4 Setting for thermal protection is only as a guide regardless of variations of product performance.

*5 Operating noise level is only an actually measured value under continuous operational vacuum

and continuous operational pressure, and not guaranteed.

Spec. No. KRF08A-B-04E



−5−

EC DECLARATION OF CONFORMITY

Spec. No. KRF08A-B-04E



−6−

4. Precautions

(1) Observe precautions, and operate the product within specifications.

(2) Read the instruction manual prior to installation, operation, maintenance and inspection of

the product. Especially pay attention to safety.

(3) The vanes may get damaged if the residual pressure reverses the rotation when the pump

stops. A check valve must be installed within 50 cm from the inlet port or exhaust port for

protection.

(4) Be sure to install the product horizontally on the flat surface.

(5) Operating the product in an enclosed space may cause malfunction due to heat generated

from the pump. Provide good ventilation around the product, so the ambient temperature

does not exceed the permissible level.

(6) Be sure to clean the filters periodically. Failure to do so may cause clogging and result in

trouble due to overload.

(7) Wiring work has to be performed by qualified personnel according to applicable laws and

in-house regulations.

(8) Be sure to install an overload protection such as a thermal relay in the electric circuit.

(9) Allowable intermittent power supply voltage fluctuation range is ±10% of the specified voltage;

allowable sustained supply voltage fluctuation range is ±5% of the specified voltage.

(10) Be sure to use the product 1,000m or below above sea level.

5. Accessories

D type compound gaugeφ60

1 piece

Pressure controllerPC321 piece

Bushing  3/4×3/8 1 piece

Spec. No. KRF08A-B-04E



−7−

6. Pressure-Flow rate diagram

KRF08A−B−04

Condition: under 1 atmospheric pressure

20 deg.C

50Hz

60Hz

−８−

210

186

3.2

6318.5

D:Rc3/4

A:Rc3/4

B:Rc3/4

(232) 4×φ9.2

24040

305

(405)

65.5

Spec. No. KRF08A-B-04E

7. Dimensional Outline Drawing

C:Rc3/4

Outlet port

can be attached to A,B,C and D.

※The pressure controller

However, the outlet port

can only be attached to A and C.

(238)

(194)

Suction air

(265)

Detail of terminal box

UWV

Power terminal

FIxing screw 3×M4

Knockout bushφ23

（terminal box hall）

Ground terminal

Fixing screw M5

Indice

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