Horizontal Multi Stage Centrifugal Pumps

KR-C

Product code: KR-C

Application

Red discolored water countermeasure item
Water supply to buildings and factories
Cooling water
Industry
Small regional drinking water
General water supply

Feature

Parts required strength is made from highly stiff precision stainless cast steel.
Starting with the adoption of a low noise type TEFC motor, the flow of the water inside the pump is also ideal and the driving noise is quiet.
By mainly adopting stainless steel, resin, rubber, and bronze make it free from red water generation.
Compact design so that it is installable in the narrow space such like where a under the reservoir tank.
Easy maintenance and inspection due to back pull out construction.

Standard spec

Application liquid

Fluid quality: Clean water (pH 5.8~8.6)
Fluid temperature: 0 to 40°C (no freezing)

Materials

Impeller: Resin or Stainless Casting Steel or Bronze
Shaft: SUS304 (portion contacting liquid)
Casing: Stainless cast steel (304)

Motor

Type: TEFC indoor
Power source: Single phase or Three phase
Speed: 50Hz: 3,000 min-1, 60Hz: 3,600 min-1
Efficiency: Premium efficiency (IE3)

Installation location

Installation location: Indoor (ambient temperature/humidity 0~40°C/90%RH or less)

Structure

Impeller: Closed
Shaft sealing: Mechanical seal (ceramic x carbon)
Bearing: Closed ball bearing

Flange figure

Flange figure: Special flange

Paint color (Munsell No.)

Paint color (Munsell No.): Motor, Base: Gray (2.5PB5.1/0.8)
Paint color (Munsell No.): Pump: Silver gray

Standard Accessories

Motor: TEFC indoor

Base: Steel plate or cast iron

Companion flange: (with bolts and nuts)

Connecting pipe: Stainless: square x round flange pipe (exclude 65 x 50 mm bore size model)

Optional Accessories

Stainless foot valve
Pressure gage
Compound gage
Vibration proof bed
Vibration proof joint

Pipe silencer
Flexible joint
Anti-freezing heater
Foundation bolt

Suction bore	Discharge bore	Ref.	Model	Motor	Stages	Q	H	Q	H	Q	H	Max. back pressure	CAD Download
mm	mm	―	―	kW	―	m³/min	m	m³/min	m	m³/min	m	MPa	―
40	40	1	KR4-405CE0.75	0.75	2	0.063	22.5	0.125	20	0.2	14	0.75	DL
40	40	2	KR4-405CE1.1	1.1	2	0.063	31	0.125	28.5	0.2	24	0.68	DL
40	40	3	KR5-405CE1.5	1.5	2	0.063	36	0.125	33.5	0.2	29	0.63	DL
40	40	4	KR5-405CE2.2	2.2	3	0.063	51	0.125	48	0.2	42	0.48	DL
40	40	5	KR5-405CE3.7	3.7	3	0.063	74	0.125	70	0.2	61	0.25	DL
40	40	6	KR5-405CE5.5	5.5	3	0.063	93.5	0.125	89.5	0.2	81	0.059	DL
50	40	7	KR5-505CE1.5	1.5	2	0.1	29	0.2	25	0.315	17.5	0.7	DL
50	40	8	KR5-505CE2.2	2.2	3	0.1	43	0.2	38	0.315	27	0.56	DL
50	40	9	KR5-505CE3.7	3.7	3	0.1	58	0.2	54	0.315	45	0.41	DL
50	40	10	KR5-505CE5.5	5.5	3	0.1	76	0.2	72	0.315	63	0.24	DL
65	50	11	KR5-655CE3.7	3.7	2	0.2	39.5	0.4	34	0.63	21.5	0.59	DL
65	50	12	KR5-655CE5.5	5.5	2	0.2	54.5	0.4	47	0.63	32	0.44	DL
65	50	13	KR5-655CE7.5	7.5	2	0.2	67	0.4	60	0.63	45	0.32	DL

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