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HF 51A - 1 HP three-phase centrifugal electric pump

Name: HF 51A - 1 HP three-phase centrifugal electric pump
Brand: Pedrollo
SKU: HF 51A
Price: 196.71 EUR
Availability: InStock
Rating: 1 (1 reviews)

Flow rate up to 300 l/min (18 m³/h). Head up to 21.2 m. 0.75 Kw (1 HP) motor.

Variants:

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Description

The PEDROLLO pumps of the HF medium flow rate line are recommended for civil and agricultural environments.

The PEDROLLO HF 51A has a flow rate ranging from 50 to 300 litres per minute with a head of 21.2 to 8.2 metres.

The high achievable yields and the possibility of continuous use make the use of this electric pump advantageous for flow or rain irrigation, for drawing water from lakes, rivers, wells or for the most varied industrial uses characterised by the need to achieve considerable flow rates in a medium-low prevalence ratio.

Installation must be carried out indoors or in any case protected from the elements.

Data sheet

Motor connection: THREE-PHASE
Power (Kw): 0.75
Power (HP): 1
Absorption at 230V (A): 4.4
Absorption at 400V (A): 2.5
Suction mouth: 1 "1/2
Delivery port: 1 "1/2
Body Pump: Cast iron
Impeller: Brass
Number of impellers: 1
Motor shaft: Stainless steel EN 10088-3 1.4104
Check valve: no
Degree of protection: IP 44
Flow rate min. (l./min.): 50
Max flow (l./min.): 300
Min head (m.): 8.4
Max head (m.): 21.2
Employments: water supply, irrigation, cooling systems, transfer of tanks
Liquid temperature max. (° C): 90
Motor voltage: 400 V
Height (cm): 22.5
Width (cm): 19
Depth (cm): 30
Weight kg): 12
Guarantee: 2

Attachments

Medium flow HF data sheet

Models, performance curves and construction characteristics of the Pedrollo pumps of the HF series medium flow rates.

Download (350.74KB)

HF models and performances - Medium ranges

GUY

three-phase

HF 50B

HF 50A

HF 51B

HF 51A

HF 70C

HF 70B

HF 70A

HF 5B

HF 5A

HF 5BM

HF 5AM

POWER
KW	HP
0.37	0.50
0.55	0.75
0.55	0.75
0.75	1
1.1	1.5
1.5	2
2.2	3
0.75	1
1.1	1.5
1.1	1.5
1.5	2

PERFORMANCE
Q litres/min	H meters
50 ÷ 300	10 ÷ 4
50 ÷ 300	12 ÷ 6
50 ÷ 300	18.2 ÷ 5.4
50 ÷ 300	21.2 ÷ 8.4
50 ÷ 300	29 ÷ 15
50 ÷ 300	33 ÷ 19
50 ÷ 300	39 ÷ 25
100 ÷ 500	13.7 ÷ 5
100 ÷ 600	14.5 ÷ 3
100 ÷ 600	19 ÷ 6
100 ÷ 600	22 ÷ 10

MOUTH
wait.	send.
1 1/2"	1 1/2"
2"	2"

Q	m³/hour	0	3	6	9	12	15	18	21	24	30	36
Q	l/min	0	50	100	150	200	250	300	350	400	500	600
H	meters	10	10	9.5	8.5	7.5	6	4
		12	12	11.5	11	9.6	8	6
		18.2	17.2	16	14	11.5	9	5.4
		21.2	20.2	19	17	14.5	11.6	8.4
		29	28	26.5	24.5	22	18.5	15
		33	32	30.5	28.5	26	22.5	19
		39	38	36.5	34.5	32	28.5	25
		13.7	-	13.2	13	12.5	11.6	10.5	9.2	8	5
		14.5	-	13.8	13.5	13.2	12.6	11.8	10.5	9.2	6.5	3
		19	-	18.5	18	17	16	15.2	14	12.8	9.7	6
		22	-	21.5	21	20.5	19.8	19	18	16.8	13.8	10

Construction data of the HF 51B-51A-5B-5A

Section of the Pedrollo HF medium flow pump

Bearings

Pump side motor bearing	6203 ZZ
Opposite side motor bearing	6203 ZZ

Shaft seal

Type of seal	Single Mechanical Seal
Pump side model	AR-14
LP diameter	14
Fixed ring LP	Ceramic
Rotating ring LP	Graphite
LP elastomer	NBR

Mat

1.0 - Pump Body	Cast iron GJL 200 EN 1561
2.1 - Seal holder cover	EN 1.4301 stainless steel (AISI 304)
3.0 - Impeller	Brass CW617N EN 12165
4.0 - Pump shaft	EN 1.4057 stainless steel (AISI 431)
6.0 - Motor holder	Aluminum EN-AB 46100
6.1 - Engine cover	Aluminum EN-AB 46100
7.0 - Lantern	Aluminum EN-AB 46100

Compare with Similar Products

	HF 51A - 1 HP three-phase centrifugal electric pump This product Flow rate up to 300 l/min (18 m³/h). Head up to 21.2 m. 0.75 Kw (1 HP) motor.	HF 50A - 0.75 HP Three-Phase Centrifugal Electric Pump Quick View Flow rate up to 300 l/min (18 m³/h). Head up to 12 m. 0.55 Kw (0.75 HP) motor.	HF 51B - 0.75 HP three-phase centrifugal electric pump Quick View Flow rate up to 300 l/min (18 m³/h). Head up to 17.2 m. 0.55 Kw (0.75 HP) motor.
Motor connection	Motor connection THREE-PHASE	Motor connection THREE-PHASE	Motor connection THREE-PHASE
Power (Kw)	Power (Kw) 0.75	Power (Kw) 0.55	Power (Kw) --
Power (HP)	Power (HP) 1	Power (HP) 0.75	Power (HP) 0.75
Absorption at 230V (A)	Absorption at 230V (A) 4.4	Absorption at 230V (A) 3.0	Absorption at 230V (A) 3.6
Absorption at 400V (A)	Absorption at 400V (A) 2.5	Absorption at 400V (A) 1.7	Absorption at 400V (A) 2.1
Suction mouth	Suction mouth 1 "1/2	Suction mouth 1 "1/2	Suction mouth 1 "1/4
Delivery port	Delivery port 1 "1/2	Delivery port 1 "1/2	Delivery port 1 "
Body Pump	Body Pump Cast iron	Body Pump Cast iron	Body Pump Cast iron
Impeller	Impeller Brass	Impeller Brass	Impeller Brass
Number of impellers	Number of impellers 1	Number of impellers 1	Number of impellers 1
Motor shaft	Motor shaft Stainless steel EN 10088-3 1.4104	Motor shaft Stainless steel EN 10088-3 1.4104	Motor shaft Stainless steel EN 10088-3 1.4104
Check valve	Check valve no	Check valve no	Check valve no
Degree of protection	Degree of protection IP 44	Degree of protection IP 44	Degree of protection IP 44
Flow rate min. (l./min.)	Flow rate min. (l./min.) 50	Flow rate min. (l./min.) 50	Flow rate min. (l./min.) 50
Max flow (l./min.)	Max flow (l./min.) 300	Max flow (l./min.) 300	Max flow (l./min.) 300
Min head (m.)	Min head (m.) 8.4	Min head (m.) 6	Min head (m.) 5.4
Max head (m.)	Max head (m.) 21.2	Max head (m.) 12	Max head (m.) 18.2
Employments	Employments water supply, irrigation, cooling systems, transfer of tanks	Employments water supply, irrigation, cooling systems, transfer of tanks	Employments water supply, irrigation, cooling systems, transfer of tanks
Liquid temperature max. (° C)	Liquid temperature max. (° C) 90	Liquid temperature max. (° C) 90	Liquid temperature max. (° C) 90
Motor voltage	Motor voltage 400 V	Motor voltage 400 V	Motor voltage 400 V
Height (cm)	Height (cm) 22.5	Height (cm) 20	Height (cm) 22.5
Width (cm)	Width (cm) 19	Width (cm) 16.6	Width (cm) 19
Depth (cm)	Depth (cm) 30	Depth (cm) 26.5	Depth (cm) 30
Weight kg)	Weight kg) 12	Weight kg) 8.5	Weight kg) 11.9
Guarantee	Guarantee 2	Guarantee 2	Guarantee 2