KAWAMOTO Package Booster Pump System

KFEH

Product code: KFEH

Application

Water supply package unit exclusive for hot water
Boosting from water heater, soler heater.

Feature

By pump section's high efficiency design and IE4 equivalent PM motor, the KFE type realized top class total efficiency in the industry.
Stainless package pump unit. Package unit dedicated for hot water supply adopting pump, check valve, and pipes made of stainless steel.
Constant estimated terminal pressure Adopting high response type pressure transmitter for the detection of hot water supply pressure provides stable operation with little pressure fluctuation.
Fulfilling standard equipment. A variety display functions and voltage free signal output is equipped as well as inverters for each pump, and earth leakage breaker, twin reservoir controller, and digital display for voltage, current, operation frequency.
High reliability. Strong against dust and moisture due to standard adoption of TEFC motor and sealed structure of control panel, and safe against lightning, noise, and harmonic with surge suppressor, noise filter and DC reactor.
High power factor equipment. It does not require the reactor for power factor improvement, due to high power factor equipment with 85.5%.
Compatible for replacement. It is available either in 50Hz and 60Hz. it has the compatibility for piping to previous model of KFH2.

Standard spec

Control method

Control method: Constant estimated terminal pressure by frequency control

Operation method

Operation method: Alternate, Alternate&Parallel

Installation location

Installation location: Indoor (Ambient temperature: 0 to 40°C, Humidity: 90% or less, Altitude: 1,000m or less)

Application liquid

Application liquid: Clean water 0 to 85°C

Pump (material)

Pump (material): KR-C type stainless multistage pump (Impeller: resin, Shaft: SUS304 (portion contacting liquid), Casing: stainless cast steel (304))

Motor

Motor: TEFC indoor: KPM motor
Motor: Poles: 4 (max. speed: 4,500min-1)
Motor: Efficiency: Super premium (equivalent to IE4)

Suction condition

Suction condition: Inflow (0~5m)

Paint color (Munsell No.)

Paint color (Munsell No.): Control panel: beige (5Y7/1), Accumulator: gray (10Y5.5/0.5) , Others: gray (2.5PB5.1/0.8)

Standard Accessories

Control panel: ECSG4-A・P type
Flow sensor
Pressure transmitter
Check valve: (stainless hummer less check valve)
Accumulator: (PTD3-2AS type)
Others: Base

Optional Accessories

Vibration proof bed
Electrode holder
Electrode
Anti-freezing heater
AC reactor panel

Connecting bend (for changing discharge direction)
Foundation bolt
Companion flange
Flange set (each 1 set of companion flange, packing, bolt) *flange packing set is also available.

Capacity for low flow stop: 10L/min

Unit Bore	Suction bore	Operation method	Ref.	Model	Motor	Q	H	Starting pressure	Adjustable range of set head	Accumulator charged pressure	Operation sound *	CAD Download
mm	mm	―	―	―	kW	m³/min	m	MPa	m	MPa	dB(A)	―
40	40	Alternate	1	KFEH40A1.5	1.5	0.14	35	0.26	20~35	0.14	50~52	DL
40	40	Alternate	2	KFEH40A2.2	2.2	0.14	51	0.41	30~51	0.22	52~53	DL
40	40	Alternate	3	KFEH40A3.7	3.7	0.16	71	0.59	44~71	0.32	55~58	DL
40	50	Alternate	4	KFEH50A2.2	2.2	0.225	36	0.27	20~36	0.14	53~56	DL
40	50	Alternate	5	KFEH50A3.7	3.7	0.265	54	0.44	30~54	0.22	55~57	DL
50	40	Alternate & Parallel	6	KFEH40P1.5	1.5Ｘ2	0.28	35	0.26	20~35	0.14	50~55	DL
50	40	Alternate & Parallel	7	KFEH40P2.2	2.2Ｘ2	0.28	51	0.41	30~51	0.22	52~56	DL
50	40	Alternate & Parallel	8	KFEH40P3.7	3.7Ｘ2	0.32	71	0.59	44~71	0.32	55~61	DL
65	50	Alternate & Parallel	9	KFEH50P2.2	2.2Ｘ2	0.45	36	0.27	20~36	0.14	53~59	DL
65	50	Alternate & Parallel	10	KFEH50P3.7	3.7Ｘ2	0.53	54	0.44	30~54	0.22	55~60	DL

* Operation sound is the value from zero discharge to the standard specification.

NOTE) If planning to use a device with rapid change of flow rate such as a flash valve, consult us.

Ref.	Parts	Material	Q'ty	Ref.	Parts	Material	Q'ty
1	Base	(Steel plate)	1	23-4	Elb	Stainless cast steel (304)	1
2	cushion	Rubber	4	24-2	Line tube	PE	1
3	cushion	Rubber, steel	2	24-1	Pressure transmitter		1
4	Pump		2	25	Plug	Stainless cast steel (304)	1
5	Exhaust valve	(SUS304)	2	26	Plug	Stainless cast steel (304)	1
6	Bolt with built in washer	SUSXM7	8	27	Ball valve	Stainless cast steel (304)	1
7	Square flange packing	EPDM	2	28	Bolt	SUS304	2
8	Connecting bend pipe	Stainless cast steel (304)	2	29	Ring	SUS304	1
9	Bolt with built in washer	SUSXM7	8	30	Ring packing	EPDM(A707)	1
10	O-ring	NBR-70-1	2	31	Flexible joint	SUS304	1
11-3	Line tube	PE	2	32	Plug	Stainless cast steel (304)	1
11-1	Flow sensor		1	33	Tag	(Paper)	1
11-2	Flow sensor		1	34	Tag	(Paper)	1
12	Bolt with built in washer	(SUSXM7)	4	35	Accumulator		1
13	Square flange packing	EPDM	2	36	Control panel		1
14	Check valve	Stainless cast steel (304)	2	37	Bolt with built in washer	SUSXM7	3
15	Bolt with built in washer	SUSXM-7	8	39	Clamp	PA66	1
16	Nut	SUS304	8	40-1	Clamp	PA66, rubber	2
17	Square flange packing	EPDM	2	40-2	Clamp	PA66, rubber	1
18	Connecting pipe	Stainless cast steel (304)	1	41	Indication label	PVC	1
19	Bolt with built in washer	SUSXM-7	8	42-2	Indication label	Paper	1
20	Nut	SUS304	8	42-1	Indication label	Paper	1
21	Ring packing	EPDM	2	43	Nameplate	Polyester film	2
22	Plug	NCRB-1	2	44	Nameplate	A1100P-H24	1
23-5	Ball valve	(C3771BD)	1	45	Cover	Polyester	3
23-1	Strai	SUS304TP	1	46	Caution label	PVC	1
23-3	Strai	SUS304TP	1	47	Nameplate	Polyester film	1
23-2	Elb	Stainless cast steel (304)	1

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