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Pedrollo HT-PRO Stainless Steel Multi-Stage Centrifugal Pumps

This document provides detailed technical specifications, performance data, and component information for the Pedrollo HT-PRO series of stainless steel multi-stage centrifugal pumps.

Product Overview

HT-PRO pumps are engineered for high hydraulic performance, featuring a robust, compact, and reliable mechanical construction. They are designed to transfer clean water free from abrasive particles and liquids that will not damage the pump's components.

Their high efficiency and adaptability make them suitable for a wide range of applications in domestic, civil, agricultural, and industrial sectors, including water distribution, fire-fighting systems, heavy-duty cleaning, industrial power washers, and irrigation.

Key Features:

Multi-stage stainless steel construction for long service life and low noise operation.
Stainless steel components enhance service life and efficiency.
Multi-stage design ensures exceptionally quiet operation.

Performance Range:

Flow rate up to 800 l/min (48 m³/h)
Head up to 160 m

Application Limits:

Manometric suction head up to 7 m
Liquid temperature: -15 °C to +90 °C
Ambient temperature: up to +40 °C
Maximum working pressure: 16 bar

Electric Motor:

Three-phase pumps utilize newly developed electric motors designed for inverter use, ensuring stable and quiet operation. Motors comply with Efficiency Class IE3 for three-phase and IE2 for single-phase, featuring Class F insulation and IPX4 protection.

Pump Materials:

Pump body: Stainless steel AISI 304
Cover: Stainless steel AISI 304
Jacket: Stainless steel AISI 304
Impellers: Stainless steel AISI 304
Diffusers: Stainless steel AISI 304
Shaft: Stainless steel AISI 431

Available Upon Request:

AISI 316 stainless steel pump
Handling of liquids with higher or lower temperatures.
Pump body with NPT threaded ports (ANSI B 1.20.1).
Pump protection kit to prevent dry running.
O-rings in EPDM or VITON (standard is NBR).
Different voltage requirements and 60 Hz frequency.

HT 3-PRO Series Performance Data

Performance charts display Head vs. Flow Rate, NPSH vs. Flow Rate, and Power Input vs. Flow Rate for the HT 3-PRO series. Key performance indicators like Maximum Efficiency Index (MEI) and peak efficiency (η) are also presented.

Performance Table (HT 3-PRO Series)

TYPE	POWER (P2)		Q	m³/h
TYPE	kW	HP	Q	1~ 3~	0	0.3	0.6	1.2	2.4	3.6	4.8	5.4
			l/min	0	5	10	20	40	60	80	90
HTm 3/4 - PRO / HT 3/4 - PRO	0.75	1	~	65	65	63.5	62	57	50	40.5	35
HTm 3/5 - PRO / HT 3/5 - PRO	1.1	1.5	~	81	80	79	77	71	62.5	51	44
HTm 3/6 - PRO / HT 3/6 - PRO	1.5	2	~	97	96	95	93	86	75	61	52
HTm 3/7 - PRO / HT 3/7 - PRO	1.8	2.5	IE2 IE3	113	112	111	108	100	88	71	61
HT 3/8 - PRO	2.2	3	~	129	128	127	124	114	100	81	69.5
HT 3/9 - PRO	3	4	~	146	144	143	139	129	113	91	78
HT 3/10 - PRO	3	4	~	160	159	155	143	125	102	87

Performance curves comply with EN ISO 9906 Grade 3B tolerance limits.

HT 5-PRO Series Performance Data

Performance charts display Head vs. Flow Rate, NPSH vs. Flow Rate, and Power Input vs. Flow Rate for the HT 5-PRO series. Key performance indicators like Maximum Efficiency Index (MEI) and peak efficiency (η) are also presented.

Performance Table (HT 5-PRO Series)

TYPE	POWER (P2)		Q	m³/h
TYPE	kW	HP	Q	1~ 3~	0	0.3	0.6	1.2	2.4	3.6	4.8	5.4	6	7.8
			l/min	0	5	10	20	40	60	80	90	100	130
HTm 5/2 - PRO / HT 5/2 - PRO	0.75	1	~	35	35	32.7	32.3	32.5	31	25.5	27.5	26	20.5
HTm 5/3 - PRO / HT 5/3 - PRO	1.1	1.5	~	51.5	51.5	51	50.5	49	46.5	43	41	39	31
HTm 5/4 - PRO / HT 5/4 - PRO	1.5	2	~	68.5	68.5	68	67	65	62	57.5	55	52	41
HTm 5/5 - PRO / HT 5/5 - PRO	1.8	2.5	IE2 IE3	86	85	85	84	81	77	72	68.5	65	51.5
HTm 5/6 - PRO / HT 5/6 - PRO	2.2	3	~	103	103	102	101	98	93	86	82	78	62
HT 5/7 - PRO	3	4	~	120	120	119	118	114	108	101	96	91	72
HT 5/8 - PRO	3	4	~	137	137	136	134	130	124	115	110	104	82
HT 5/9 - PRO	4	5.5	~	154	154	153	151	146	139	129	124	117	93

Performance curves comply with EN ISO 9906 Grade 3B tolerance limits.

HT 8-PRO Series Performance Data

Performance charts display Head vs. Flow Rate, NPSH vs. Flow Rate, and Power Input vs. Flow Rate for the HT 8-PRO series. Key performance indicators like Maximum Efficiency Index (MEI) and peak efficiency (η) are also presented.

Performance Table (HT 8-PRO Series)

TYPE	POWER (P2)		Q	m³/h
TYPE	kW	HP	Q	1~ 3~	0	1.2	2.4	3.6	4.8	6.0	7.2	8.4	9.6	10.8	12.0
			l/min	0	20	40	60	80	100	120	140	160	180	200
HTm 8/3 - PRO / HT 8/3 - PRO	1.1	1.5	~	47	46.5	45.5	44	42	39.5	36.5	32.5	28	23	17
HTm 8/4 - PRO / HT 8/4 - PRO	1.5	2	~	62.5	62	60.5	58.5	56	53	48.5	43.5	37.5	31	23
HTm 8/5 - PRO / HT 8/5 - PRO	1.8	2.5	~	78	77.5	76	73	70	66	61	54.5	47	38.5	28.5
HTm 8/6 - PRO / HT 8/6 - PRO	2.2	3	IE2 IE3	94	93	91	88	84	79	73	65.5	56.5	46	34.5
HT 8/7 - PRO	3	4	~	109	108	106	103	98	92	85	76	66	54	40
HT 8/8 - PRO	4	5.5	~	125	124	121	117	112	106	97	87	75	61.5	45.5
HT 8/9 - PRO	4	5.5	~	141	139	136	132	126	119	109	98	85	69	51.5
HT 8/10 - PRO	5.5	7.5	~	156	155	152	147	140	132	122	109	94	77	57

Performance curves comply with EN ISO 9906 Grade 3B tolerance limits.

HT 10-PRO Series Performance Data

Performance charts display Head vs. Flow Rate, NPSH vs. Flow Rate, and Power Input vs. Flow Rate for the HT 10-PRO series. Key performance indicators like Maximum Efficiency Index (MEI) and peak efficiency (η) are also presented.

Performance Table (HT 10-PRO Series)

TYPE	POWER (P2)		Q	m³/h
TYPE	kW	HP	Q	1~ 3~	0	1.8	3	3.6	4.8	7.2	9	10.2	12	13.2	15
			l/min	0	30	50	60	80	120	150	170	200	220	250
HTm 10/3 - PRO / HT 10/3 - PRO	1.5	2	~	47	45.5	44	43.5	42	38	33.5	30.5	24.7	20.3	13
HTm 10/4 - PRO / HT 10/4 - PRO	1.8	2.5	~	62	61	59	58	56	50.5	45	40.5	33	27	18
HTm 10/5 - PRO / HT 10/5 - PRO	2.2	3	~	77	75.5	74	73	70	63	56	50.5	41	34	21.5
HT 10/6 - PRO	3	4	IE2 IE3	93	91	88	87	84	76	67.5	61	49.5	40.5	26
HT 10/7 - PRO	3	4	~	108	106	103	102	98	88	79	71	57.5	47.5	30
HT 10/8 - PRO	4	5.5	~	124	121	118	116	112	101	90	81	66	54.5	34.5
HT 10/9 - PRO	4	5.5	~	139	136	133	131	126	113	101	91	74	61	38.5

Performance curves comply with EN ISO 9906 Grade 3B tolerance limits.

HT 15-PRO Series Performance Data

Performance charts display Head vs. Flow Rate, NPSH vs. Flow Rate, and Power Input vs. Flow Rate for the HT 15-PRO series. Key performance indicators like Maximum Efficiency Index (MEI) and peak efficiency (η) are also presented.

Performance Table (HT 15-PRO Series)

TYPE	POWER (P2)		Q	m³/h
TYPE	kW	HP	Q	1~ 3~	0	3	6	12	18	21	24
			l/min	0	50	100	200	300	350	400
HT 15/2R - PRO	2.2	3	~	44	43	41.5	36.5	27.5	20.5
HT 15/3R - PRO	3	4	~	64.5	62.5	60.5	52.0	37.5	27
HT 15/3 - PRO	4	5.5	~	72	70	68.5	61	48	38.5	27
HT 15/4 - PRO	5.5	7.5	IE3	96	94	91	81	64	51.5	36
HT 15/5 - PRO	7.5	10	~	120	117	114	102	80	64.5	45
HT 15/6 - PRO	9.2	12.5	~	140	137	133	119	94	75.5	52.5
HT 15/7 - PRO	9.2	12.5	~	160	155	139	109	88	61.5

Performance curves comply with EN ISO 9906 Grade 3B tolerance limits.

HT 30-PRO Series Performance Data

Performance charts display Head vs. Flow Rate, NPSH vs. Flow Rate, and Power Input vs. Flow Rate for the HT 30-PRO series. Key performance indicators like Maximum Efficiency Index (MEI) and peak efficiency (η) are also presented.

Performance Table (HT 30-PRO Series)

TYPE	POWER (P2)		Q	m³/h
TYPE	kW	HP	Q	3~	0	6	12	18	24	36	42	48
			l/min	0	100	200	300	400	600	700	800
HT 30/2R - PRO	3	4	~	35	34	33	31	28	17.6	10
HT 30/2 - PRO	4	5.5	~	40	39	37.5	35	31.5	22	15.7	8
HT 30/3 - PRO	5.5	7.5	~	60	58.5	56	52.5	47.5	33	23.5	12
HT 30/4 - PRO	7.5	10	IE3	80	78	75	70	63	44	31.3	16
HT 30/5 - PRO	9.2	12.5	~	100	98	93	87	79	55	39	20
HT 30/6 - PRO	11	15	~	120	117	112	105	95	66.5	47	24
HT 30/7 - PRO	15	20	~	137	134	128	120	108	76	53.5	27.5
HT 30/8 - PRO	15	20	~	158	154	147	138	125	87	62	31.5

Performance curves comply with EN ISO 9906 Grade 3B tolerance limits.

Absorption Data

Electrical absorption data for single-phase and three-phase models.

TYPE	VOLTAGE	CURRENT (A)
Single-phase
HTm 3/4 - PRO	230 V	7.5 A
HTm 3/5 - PRO	230 V	9.0 A
HTm 3/6 - PRO	230 V	10.5 A
HTm 3/7 - PRO	230 V	12.5 A
HTm 5/2 - PRO	230 V	6.1 A
HTm 5/3 - PRO	230 V	8.5 A
HTm 5/4 - PRO	230 V	10.3 A
HTm 5/5 - PRO	230 V	12.5 A
HTm 5/6 - PRO	230 V	13.5 A
HTm 8/3 - PRO	230 V	8.7 A
HTm 8/4 - PRO	230 V	10.5 A
HTm 8/5 - PRO	230 V	12.5 A
HTm 8/6 - PRO	230 V	14.0 A
HTm 10/3 - PRO	230 V	9.5 A
HTm 10/4 - PRO	230 V	11.0 A
HTm 10/5 - PRO	230 V	13.5 A
Three-phase
HT 3/4 - PRO	230 V - 400 V	5.2 A / 3.0 A
HT 3/5 - PRO	230 V - 400 V	6.1 A / 3.5 A
HT 3/6 - PRO	230 V - 400 V	6.9 A / 4.0 A
HT 3/7 - PRO	230 V - 400 V	8.3 A / 4.8 A
HT 3/8 - PRO	230 V - 400 V	11.2 A / 6.5 A
HT 3/9 - PRO	230 V - 400 V	11.8 A / 6.8 A
HT 3/10 - PRO	230 V - 400 V	12.1 A / 7.0 A
HT 5/2 - PRO	230 V - 400 V	4.9 A / 2.8 A
HT 5/3 - PRO	230 V - 400 V	5.5 A / 3.2 A
HT 5/4 - PRO	230 V - 400 V	6.6 A / 3.8 A
HT 5/5 - PRO	230 V - 400 V	8.3 A / 4.8 A
HT 5/6 - PRO	230 V - 400 V	9.0 A / 5.2 A
HT 5/7 - PRO	230 V - 400 V	11.8 A / 6.8 A
HT 5/8 - PRO	230 V - 400 V	13.0 A / 7.5 A
HT 5/9 - PRO	230 V - 400 V	14.7 A / 8.5 A
HT 8/3 - PRO	230 V - 400 V	5.7 A / 3.3 A
HT 8/4 - PRO	230 V - 400 V	6.9 A / 4.0 A
HT 8/5 - PRO	230 V - 400 V	8.3 A / 4.8 A
HT 8/6 - PRO	230 V - 400 V	9.3 A / 5.4 A
HT 8/7 - PRO	230 V - 400 V	12.1 A / 7.0 A
HT 8/8 - PRO	230 V - 400 V	14.7 A / 8.5 A
HT 8/9 - PRO	230 V - 400 V	16.4 A / 9.5 A
HT 8/10 - PRO	230 V - 400 V	10.5 A / 6.1 A
HT 10/3 - PRO	230 V - 400 V	5.9 A / 3.4 A
HT 10/4 - PRO	230 V - 400 V	7.8 A / 4.5 A
HT 10/5 - PRO	230 V - 400 V	9.0 A / 5.2 A
HT 10/6 - PRO	230 V - 400 V	11.2 A / 6.5 A
HT 10/7 - PRO	230 V - 400 V	12.5 A / 7.2 A
HT 10/8 - PRO	230 V - 400 V	14.4 A / 8.3 A
HT 10/9 - PRO	230 V - 400 V	15.6 A / 9.0 A
HT 15/2R - PRO	230 V - 400 V	10.4 A / 6.0 A
HT 15/3R - PRO	230 V - 400 V	12.5 A / 7.2 A
HT 15/3 - PRO	230 V - 400 V	15.2 A / 8.8 A
HT 15/4 - PRO	230 V - 400 V	11.2 A / 6.5 A
HT 15/5 - PRO	230 V - 400 V	14.2 A / 8.2 A
HT 15/6 - PRO	230 V - 400 V	15.0 A / 8.7 A
HT 15/7 - PRO	230 V - 400 V	16.5 A / 9.5 A
HT 30/2R - PRO	230 V - 400 V	12.1 A / 7.0 A
HT 30/2 - PRO	230 V - 400 V	15.2 A / 8.8 A
HT 30/3 - PRO	230 V - 400 V	11.2 A / 6.5 A
HT 30/4 - PRO	230 V - 400 V	14.1 A / 8.2 A
HT 30/5 - PRO	230 V - 400 V	16.5 A / 9.5 A
HT 30/6 - PRO	230 V - 400 V	19.0 A / 11.0 A
HT 30/7 - PRO	230 V - 400 V	22.0 A / 12.7 A
HT 30/8 - PRO	230 V - 400 V	24.5 A / 14.2 A

Pallet Capacity

Information on the number of pumps per pallet for different series.

TYPE			NO. OF PUMPS
TYPE	Single-phase	Three-phase	NO. OF PUMPS
HTm 3/4 - PRO	HT 3/4 - PRO	12
HTm 3/5 - PRO	HT 3/5 - PRO	12
HTm 3/6 - PRO	HT 3/6 - PRO	12
HTm 3/7 - PRO	HT 3/7 - PRO	12
HTm 3/8 - PRO	HT 3/8 - PRO	4
	HT 3/9 - PRO	4
	HT 3/10 - PRO	4
HTm 5/2 - PRO	HT 5/2 - PRO	12
HTm 5/3 - PRO	HT 5/3 - PRO	12
HTm 5/4 - PRO	HT 5/4 - PRO	12
HTm 5/5 - PRO	HT 5/5 - PRO	12
HTm 5/6 - PRO	HT 5/6 - PRO	12
	HT 5/7 - PRO	4
	HT 5/8 - PRO	4
	HT 5/9 - PRO	4
HTm 8/3 - PRO	HT 8/3 - PRO	12
HTm 8/4 - PRO	HT 8/4 - PRO	12
HTm 8/5 - PRO	HT 8/5 - PRO	12
HTm 8/6 - PRO	HT 8/6 - PRO	12
	HT 8/7 - PRO	4
	HT 8/8 - PRO	4
	HT 8/9 - PRO	4
	HT 8/10 - PRO	4
HTm 10/3 - PRO	HT 10/3 - PRO	12
HTm 10/4 - PRO	HT 10/4 - PRO	12
HTm 10/5 - PRO	HT 10/5 - PRO	12
	HT 10/6 - PRO	12
	HT 10/7 - PRO	4
	HT 10/8 - PRO	4
	HT 10/9 - PRO	4
	HT 15/2R - PRO	4
	HT 15/3R - PRO	4
	HT 15/3 - PRO	4
	HT 15/4 - PRO	4
	HT 15/5 - PRO	4
	HT 15/6 - PRO	2
	HT 15/7 - PRO	2
	HT 30/2R - PRO	4
	HT 30/2 - PRO	4
	HT 30/3 - PRO	4
	HT 30/4 - PRO	4
	HT 30/5 - PRO	2
	HT 30/6 - PRO	2
	HT 30/7 - PRO	2
	HT 30/8 - PRO	2

Technical Data

Dimensions and Weight

Physical dimensions (a, b, c, d, e, h, h1, n1, n2, m) and weight (kg) for various HT-PRO models.

TYPE	PORTS	N° STAGES	a	b	c	d	e	h	h1	n1	n2	m	WEIGHT (kg)
TYPE	PORTS	N° STAGES												Single-phase	Three-phase
HTm 3/4 - PRO / HT 3/4 - PRO	DN1 DN2	4	509	126	231								31.5	31.5
HTm 3/5 - PRO / HT 3/5 - PRO		5	535										31.7	31.7
HTm 3/6 - PRO / HT 3/6 - PRO		6	561										33.0	33.0
HTm 3/7 - PRO / HT 3/7 - PRO	1" 1"	7	607										37.9	37.9
HT 3/8 - PRO		8	685										45.2
HT 3/9 - PRO	9	151	257	711									46.2
HT 3/10 - PRO	10	737											47.1
HTm 5/2 - PRO / HT 5/2 - PRO		2	457	75									29.9	29.9
HTm 5/3 - PRO / HT 5/3 - PRO		3	483										30.1	30.1
HTm 5/4 - PRO / HT 5/4 - PRO	1 1/4" 1 1/4"	4	509	126	231								32.1	32.1
HTm 5/5 - PRO / HT 5/5 - PRO		5	555										34.5	34.5
HTm 5/6 - PRO / HT 5/6 - PRO		6	581										35.5	35.5
HT 5/7 - PRO		7	659										44.3
HT 5/8 - PRO		8	151	257	685								45.3
HT 5/9 - PRO		9	711										49.5
HTm 8/3 - PRO / HT 8/3 - PRO	1 1/2" 1 1/2"	3	488	126	231								30.6	30.6
HTm 8/4 - PRO / HT 8/4 - PRO		4	514										32.6	32.6
HTm 8/5 - PRO / HT 8/5 - PRO		5	560										36.1	36.1
HTm 8/6 - PRO / HT 8/6 - PRO		6	586										36.9	36.9
HT 8/7 - PRO		7	664										44.6
HT 8/8 - PRO		8	151	257	690								48.7
HT 8/9 - PRO		9	716										49.7
HT 8/10 - PRO		10	280	742	80								54.7
HT 10/3 - PRO	1 1/2" 1 1/2"	3	488	126	231								30.7	30.7
HT 10/4 - PRO		4	534										32.7	32.7
HT 10/5 - PRO		5	560										36.2	36.2
HT 10/6 - PRO		6	586										44.5
HT 10/7 - PRO		7	151	257	664								44.7
HT 10/8 - PRO		8	690										48.8
HT 10/9 - PRO		9	716										49.8
HT 15/2R - PRO		2	589										52.0
HT 15/3R - PRO		3	633										52.5
HT 15/3 - PRO	2" 2"	3	151	275	633								57.0
HT 15/4 - PRO		4	300	677	90								63.0
HT 15/5 - PRO		5	771										71.0
HT 15/6 - PRO		6	181	305	900								115.5
HT 15/7 - PRO		7	944										116.0
HT 30/2R - PRO	2 1/2" 2 1/2"	2	18	247	604	130	215	Ø 14					53.5
HT 30/2 - PRO		2	151	275	604								56.5
HT 30/3 - PRO		3	648										61.5
HT 30/4 - PRO		4	320	742	105								70.0
HT 30/5 - PRO		5	871										123.5
HT 30/6 - PRO		6	181	305	915								124.0
HT 30/7 - PRO		7	959										136.5
HT 30/8 - PRO		8	1003										137.0

Flange Specifications

Flange dimensions (DN, D, K) and hole details for HT-PRO pumps.

TYPE	DN	D	K	HOLES N°	Ø mm
HT 3 - PRO	25	115	85	14
HT 5 - PRO	32	140	100
HT 8 - PRO	40	150	110	4	18
HT 10 - PRO	40	150	110	18
HT 15 - PRO	50	165	125
HT 30 - PRO	65	185	145

Materials and Components

Detailed breakdown of pump materials and components.

Components:

1 Pump body: Stainless steel AISI 304, provided with ISO 228/1 threaded ports.
2 Cover: Stainless steel AISI 304.
3 External sleeve: Stainless steel AISI 304.
4 Impellers: Stainless steel AISI 304.
5 Diffusers: Stainless steel AISI 304.
6 Mechanical seal:
- For HT 3-5-8-10 PRO: FN-18, Shaft Ø 18 mm, Materials: Graphite / Ceramic / NBR.
- For HT 15-30 PRO: FN-KU-24, Shaft Ø 24 mm, Materials: Graphite / Ceramic / NBR.
- (Standards: ISO 3069, EN 12756)
7 Shaft: Stainless steel AISI 316L.
8 Electric motor:
- HTm - PRO (single-phase): 230 V - 50 Hz with capacitor and integrated thermal motor protection.
- HT - PRO (three-phase): 230/400 V - 50 Hz up to 4 kW; 400/690 V - 50 Hz from 5.5 to 15 kW.
- Pumps are equipped with high-efficiency motors (IEC 60034-30-1): Class IE2 for single-phase models, Class IE3 for three-phase models.
- Continuous running duty S1.

Models: HT 3 - PRO, HT 3-10-PRO, HT 3-9-PRO, HT-PRO Stainless Steel Multi Stage Centrifugal Pumps, HT-PRO, HT-PRO Centrifugal Pumps, Stainless Steel Multi Stage Centrifugal Pumps, Stainless Steel Centrifugal Pumps, Multi Stage Centrifugal Pumps, Centrifugal Pumps, Pumps

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References

Pedrollo S.p.A.

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