Kawamoto Pump Mfg. Co., Ltd.

Direct connecting

NDP

60Hz

NOTE
This is the only calculator for unit conversion. Graph will be not affected by this conversion.

U.S.GPM → m³/min
m³/min → U.S.GPM
→

feet → m
m → feet
→

Total head(m)

Capacity(L/min)

Total head shows the value which is subtracted by pressure loss in the pump unit exclude back flow preventer loss.

60Hz

Capacity for low flow stop: 10L/min

Suction bore	Operation method	Ref.	Model	Motor	Power source	Q	H	Starting head	Adjustable discharge pressure range	Accumulator charged pressure	Operation sound pressure	Power factor	CAD Download
mm	―	―	―	kW	V	m³/min	m	m³/min	m³/min	MPa	dB(A)	％	―
20	Alternate	1	ＮＤＰ2-20Ａ0.4ＳAG	0.4	Single phase 100V	45	25	18	18~25	0.12	33~35	―	DL
20	Alternate	2	ＮＤＰ2-20Ａ0.4Ｓ2AG	0.4	Single phase 200V	45	25	18	18~25	0.12	33~35	―	DL
20	Alternate	3	ＮＤＰ2-20Ａ0.4TAG	0.4	Three phase 200V	45	25	18	18~25	0.12	33~35	86.4	DL
20	Alternate	4	ＮＤＰ2-20Ａ0.75S2AG	0.75	Single phase 200V	60	38	30	27~38	0.2	33~35	―	DL
20	Alternate	5	ＮＤＰ2-20Ａ0.75AG	0.75	Three phase 200V	60	38	30	27~38	0.2	33~37	88.1	DL
25	Alternate	6	ＮＤＰ2-25Ａ0.4ＳAG	0.4	Single phase 100V	45	25	18	18~25	0.12	33~35	―	DL
25	Alternate	7	ＮＤＰ2-25Ａ0.4Ｓ2AG	0.4	Single phase 200V	45	25	18	18~25	0.12	33~35	―	DL
25	Alternate	8	ＮＤＰ2-25Ａ0.4TAG	0.4	Three phase 200V	45	25	18	18~25	0.12	33~35	86.4	DL
25	Alternate	9	ＮＤＰ2-25Ａ0.75S2AG	0.75	Single phase 200V	65	38	30	27~38	0.2	33~37	―	DL
25	Alternate	10	ＮＤＰ2-25Ａ0.75AG	0.75	Three phase 200V	65	38	30	27~38	0.2	33~37	88.1	DL
25	Alternate	11	ＮＤＰ2-25A1.1S2AG	1.1	Single phase 200V	62	56	46	41~56	0.25	37~40	―	DL
25	Alternate	12	ＮＤＰ2-25A1.1AG	1.1	Three phase 200V	62	56	46	41~56	0.25	37~40	88.6	DL

NOTE1) If planning to use a device with rapid change of flow rate such as a flash valve, consult us.

NOTE 2) If obliged to install the booster pump at the long distance from water main, please consult us.

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

Suction bore	Operation method	Ref.	Model	Motor	Power source	Q	H	Starting head	Adjustable discharge pressure range	Accumulator charged pressure	Operation sound pressure	Power factor	CAD Download
mm	―	―	―	kW	V	U.S.GPM	ft.	U.S.GPM	U.S.GPM	MPa	dB(A)	％	―
20	Alternate	1	ＮＤＰ2-20Ａ0.4ＳAG	0.4	Single phase 100V	11889	82	4755	18~25	0.12	33~35	―	DL
20	Alternate	2	ＮＤＰ2-20Ａ0.4Ｓ2AG	0.4	Single phase 200V	11889	82	4755	18~25	0.12	33~35	―	DL
20	Alternate	3	ＮＤＰ2-20Ａ0.4TAG	0.4	Three phase 200V	11889	82	4755	18~25	0.12	33~35	86.4	DL
20	Alternate	4	ＮＤＰ2-20Ａ0.75S2AG	0.75	Single phase 200V	15852	124	7926	27~38	0.2	33~35	―	DL
20	Alternate	5	ＮＤＰ2-20Ａ0.75AG	0.75	Three phase 200V	15852	124	7926	27~38	0.2	33~37	88.1	DL
25	Alternate	6	ＮＤＰ2-25Ａ0.4ＳAG	0.4	Single phase 100V	11889	82	4755	18~25	0.12	33~35	―	DL
25	Alternate	7	ＮＤＰ2-25Ａ0.4Ｓ2AG	0.4	Single phase 200V	11889	82	4755	18~25	0.12	33~35	―	DL
25	Alternate	8	ＮＤＰ2-25Ａ0.4TAG	0.4	Three phase 200V	11889	82	4755	18~25	0.12	33~35	86.4	DL
25	Alternate	9	ＮＤＰ2-25Ａ0.75S2AG	0.75	Single phase 200V	17173	124	7926	27~38	0.2	33~37	―	DL
25	Alternate	10	ＮＤＰ2-25Ａ0.75AG	0.75	Three phase 200V	17173	124	7926	27~38	0.2	33~37	88.1	DL
25	Alternate	11	ＮＤＰ2-25A1.1S2AG	1.1	Single phase 200V	16380	183	12153	41~56	0.25	37~40	―	DL
25	Alternate	12	ＮＤＰ2-25A1.1AG	1.1	Three phase 200V	16380	183	12153	41~56	0.25	37~40	88.6	DL

60Hz

NOTE
This is the only calculator for unit conversion. Graph will be not affected by this conversion.

U.S.GPM → m³/min
m³/min → U.S.GPM
→

feet → m
m → feet
→

Total head(m)

Capacity(m³/min)

Total head shows the value which is subtracted by pressure loss in the pump unit exclude back flow preventer loss.

60Hz

Capacity for low flow stop: 10L/min

Suction bore	Operation method	Ref.	Model	Motor	Power source	Q	H	Starting head	Adjustable discharge pressure range	Accumulator charged pressure	Operation sound pressure	Power factor	CAD Download
mm	―	―	―	kW	V	m³/min	m	m³/min	m³/min	MPa	dB(A)	％	―
20	Alternate	1	ＮＤＰ2-20Ａ0.4ＳAG	0.4	Single phase 100V	45	25	18	18~25	0.12	33~35	―	DL
20	Alternate	2	ＮＤＰ2-20Ａ0.4Ｓ2AG	0.4	Single phase 200V	45	25	18	18~25	0.12	33~35	―	DL
20	Alternate	3	ＮＤＰ2-20Ａ0.4TAG	0.4	Three phase 200V	45	25	18	18~25	0.12	33~35	86.4	DL
20	Alternate	4	ＮＤＰ2-20Ａ0.75S2AG	0.75	Single phase 200V	60	38	30	27~38	0.2	33~35	―	DL
20	Alternate	5	ＮＤＰ2-20Ａ0.75AG	0.75	Three phase 200V	60	38	30	27~38	0.2	33~37	88.1	DL
25	Alternate	6	ＮＤＰ2-25Ａ0.4ＳAG	0.4	Single phase 100V	45	25	18	18~25	0.12	33~35	―	DL
25	Alternate	7	ＮＤＰ2-25Ａ0.4Ｓ2AG	0.4	Single phase 200V	45	25	18	18~25	0.12	33~35	―	DL
25	Alternate	8	ＮＤＰ2-25Ａ0.4TAG	0.4	Three phase 200V	45	25	18	18~25	0.12	33~35	86.4	DL
25	Alternate	9	ＮＤＰ2-25Ａ0.75S2AG	0.75	Single phase 200V	65	38	30	27~38	0.2	33~37	―	DL
25	Alternate	10	ＮＤＰ2-25Ａ0.75AG	0.75	Three phase 200V	65	38	30	27~38	0.2	33~37	88.1	DL
25	Alternate	11	ＮＤＰ2-25A1.1S2AG	1.1	Single phase 200V	62	56	46	41~56	0.25	37~40	―	DL
25	Alternate	12	ＮＤＰ2-25A1.1AG	1.1	Three phase 200V	62	56	46	41~56	0.25	37~40	88.6	DL

NOTE1) If planning to use a device with rapid change of flow rate such as a flash valve, consult us.

NOTE 2) If obliged to install the booster pump at the long distance from water main, please consult us.

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