PW-Z Self-Priming Peripheral Pump

Applications Fields
The self-priming peripheral pump is suitable for transferring water without abrasive particles or other liquid whose properties are similar to water.
It’s widely used in household water supply, well water pumping, tap water pressure, water tower's supply, solar or hot water systems pressure, etc.
Operating condition
Suction lift up to 8m
Liquid temperature ≤+90℃
Environment temperature ≤ +40℃
Max. working pressure: 5bar

Features and advantages

A self-priming peripheral pump for both hot and cold water.
Advanced structure with lower noise.
Intelligent control by both flow sensor and pressure sensor, which is convenient.


Materials
Pump body: Cast iron with stainless steel insert
Motor casing: Aluminum
Impeller: Brass
Shaft: Welded by SUS304 and Cs45#
Mechanical seal: Ceramic/Graphite/NBR
Copper winding
Section and sizes

Model	DN1	DN2	A	B	C	D	E	F	G	L	H1	H2	H3
PW125	3/4"	3/4"	110	136	204	46	39	49.5	165	259	72	150	245.5
PW250	1"	1"	110	136	204	40	39	49.5	165	259	72	150	245.5
PW370	1"	1"	110	136	204	40	39	49.5	165	259	72	150	245.5
PW550	1"	1"	132	160	212	50	39	41.5	190	268	84	170	285
PW750	1"	1"	132	160	212	50	39	41.5	190	268	84	170	285

Model	DN1	DN2	A	B	C	D	E	F	G	L	H1	H2	H3
PW125Z	3/4"	3/4"	110	136	204	46	39	49.5	165	259	72	150	261
PW250Z	1"	1"	110	136	204	40	39	49.5	165	259	72	150	261
PW370Z	1"	1"	110	136	204	40	39	49.5	165	259	72	150	261
PW550Z	1"	1"	132	160	212	50	39	41.5	190	268	84	170	293
PW750Z	1"	1"	132	160	212	50	39	41.5	190	268	84	170	293

Performance Curve
Performance parameters

Model	Power		Max. Flow (m3/h)	Max. Lift head (m)	Max. Suction lift head (m)
Single phase	KW	HP
PW125	0.125	0.17	2	24	8
PW250	0.25	0.34	2.2	30	8
PW370	0.37	0.5	2.4	36	8
PW550	0.55	0.75	3.0	42	8
PW750	0.75	1	3.4	50	8
PW125Z	0.125	0.17	2	24	8
PW250Z	0.25	0.34	2.2	30	8
PW370Z	0.37	0.5	2.4	36	8
PW550Z	0.55	0.75	3.0	42	8
PW750Z	0.75	1	3.4	50	8

Packing sizes

Model	Parking sizes ( mm )	GW ( kg )	Quantities in 20 feet cabinet
PW125(Z)	295×230×300	8.3
PW250(Z)		9.0
PW370(Z)		9.3
PW550(Z)	315×245×325	12.1
PW750(Z)		13.8