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GW Type Cast Iron Pipe Sewage Pump

Flow Range：5-3000m³/h
Head Range：5~45m
Motor Power：0.75-250kw
Inlet/Outlet Range：DN25-DN200

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GW Type Cast Iron Pipe Sewage Pump

Built with a solid cast‑iron body and a space‑saving direct‑drive design, WYT's GW sewage pump moves waste containing solids, liquids, and fibres with ease. The wide‑channel impeller prevents tangles and clogs — a must‑have for smooth operation in every sewage pump station. It’s perfect for municipal sewage, construction sites, industrial plants, and biogas slurry. If you've ever looked up how to install liberty sewage pump for a similar job, the GW gives you that same robust confidence. And when it comes to reliable, trouble‑free pumping, it stands shoulder to shoulder with top‑tier submersible sewage pumps — a true workhorse for tough duties.

Application Scenarios

Municipal Engineering

Drainage from sewage treatment plants, sewage stations in residential areas, drainage from civil air defense systems.

Industrial Field

Solid-containing wastewater discharge from industries such as chemical engineering, pharmaceuticals, papermaking, and mining.

Construction

Foundation pit dewatering and slurry transportation.

Public Facilities

Sewage discharge from hospitals and hotels, rural biogas digesters, and farmland irrigation.

Product Advantage

Intelligent Control and Protection

An optional intelligent control cabinet can be provided, featuring liquid‑level‑based auto‑start/stop, as well as overload, over‑temperature, and leakage protection — eliminating the need for on‑site attendants. In addition, a float switch enables the pump to start and stop automatically in response to changing liquid levels, ensuring straightforward operation.

This control system is well suited for submersible sewage pumps in a sewage pump station environment, and it also directly applies when you are learning how to install liberty sewage pump – offering the same level of automation and convenience across various installations.

Convenient Maintenance

If you're wondering how to install Liberty sewage pump, our modular build makes it easy — you can strip down and rebuild the pump without ever touching the pipes, which cuts maintenance costs. The dual‑guide‑rail auto‑coupling also takes the hassle out of setup and care; there's no more climbing down into the pit. That's a convenience that fits any sewage pump station and works perfectly alongside every submersible sewage pumps model you might use.

GW Type Cast Iron Pipe Sewage Pump VS QW Submersible Sewage Pump

omparison items: Installation Structure, Motor Working Condition, Core Advantages, Application Scenarios
Comparison Items	GW Type Cast Iron Pipe Sewage Pump	QW Submersible Sewage Pump
Installation Structure	Vertical inline pipeline installation. Inlet and outlet are on the same horizontal center‑line, can be directly installed on pipeline just like a valve.	Submerged installation inside sewage sump. Available for automatic coupling installation or mobile portable installation.
Motor Working Condition	Motor operates above liquid level under dry condition, easy to access for inspection.	Motor is fully submerged in sewage during running. Pump needs to be hoisted out for motor maintenance.
Core Advantages	Excellent non‑clogging performance, can pass fiber and solid particles. Simple disassembly, no special pump house required.	Small occupied space, equipped with built‑in protection functions, ideal for compact underground sump.
Application Scenarios	Municipal sewage pipeline drainage, hotel & hospital wastewater discharge, construction site drainage, industrial waste‑water transfer.	Basement drainage, sewage lifting station, rain‑water pumping, small‑scale sewage treatment projects.

FAQ for GW Type Cast Iron Pipe Sewage Pump

Q1: What kind of media can the GW cast iron pipe sewage pump handle?

A: It is suitable for sewage containing long‑fiber impurities and solid particles. The medium temperature shall not exceed 60℃, specific gravity ranges from 1.0‑1.3 kg/dm³, and PH value should be kept between 5‑9. Strongly corrosive liquid is not recommended.

Q2: What are the advantages of GW pump compared with ordinary sewage pumps?

A: It adopts vertical inline structure, the inlet and outlet flanges are at the same horizontal line, which can be installed directly on the pipeline like a valve. Equipped with large‑flow non‑clogging impeller, it has strong particle passing capacity, and the motor works above liquid level for easy inspection and maintenance.

Q3: Why does the GW pump produce insufficient flow during operation?

A: Common causes include impeller tangled by debris, incorrect motor rotation direction, actual working head exceeding the rated parameter, or worn sealing rings. Please clear blockages, adjust wiring, check system head and replace damaged wearing parts accordingly.

This section details the key technical parameters of the GW type cast iron pipe sewage pump, including its core performance indicators for handling sewage pumping tasks.

Datasheet
No.	Model	A	B	B1	N1-ΦA1	D1	D	N2-ΦA2	L	H
1	25GW8–22–1,1	110	120	105	4–Φ12	90	120	4–Φ14	270	430
2	32GW12–15–1,1	110	120	105	4–Φ12	90	120	4–Φ14	270	430
3	40GW15–15–1,5	120	130	105	4–Φ12	100	130	4–Φ14	310	470
4	40GW15–30–2,2	120	130	105	4–Φ12	100	130	4–Φ14	310	490
5	50GW20–7–0,75	130	150	125	4–Φ13	110	140	4–Φ14	330	500
6	50GW10–10–0,75	130	150	125	4–Φ13	110	140	4–Φ14	330	500
7	50GW20–15–1,5	130	150	125	4–Φ13	110	140	4–Φ14	310	490
8	50GW15–25–2,2	130	150	125	4–Φ13	110	140	4–Φ14	310	510
9	50GW18–30–1,5	130	150	125	4–Φ13	110	140	4–Φ14	330	560
10	50GW25–32–5,5	140	170	145	4–Φ14	110	140	4–Φ14	350	620
11	50GW20–40–7,5	140	170	145	4–Φ14	110	140	4–Φ14	350	660
12	65GW25–15–2,2	140	160	135	4–Φ13	130	160	4–Φ14	310	500
13	65GW37–13–3	140	160	135	4–Φ13	130	160	4–Φ14	310	560
14	65GW25–30–4	140	160	135	4–Φ13	130	160	4–Φ14	330	600
15	65GW30–40–7,5	140	170	145	4–Φ14	130	160	4–Φ14	350	660
16	65GW35–50–11	150	200	160	4–Φ18	130	160	4–Φ14	370	750
17	65GW35–60–15	150	200	160	4–Φ18	130	160	4–Φ14	370	800
18	80GW40–7–2,2	180	200	170	4–Φ14	150	190	4–Φ18	420	650
19	80GW43–13–3	160	200	170	4–Φ14	150	190	4–Φ18	360	610
20	80GW40–15–4	160	200	170	4–Φ14	150	190	4–Φ18	360	620
21	80GW65–25–7,5	180	200	170	4–Φ14	150	190	4–Φ18	420	710
22	100GW80–10–4	210	250	220	4–Φ18	190	210	4–Φ18	540	700
23	100GW110–10–5,5	225	250	220	4–Φ18	190	210	4–Φ18	540	750
24	100GW100–15–7,5	225	250	220	4–Φ18	190	210	4–Φ18	540	760
25	100GW85–20–7,5	225	250	220	4–Φ18	190	210	4–Φ18	540	760
26	100GW100–25–11	240	280	240	4–Φ18	190	210	4–Φ18	630	890
27	100GW100–30–15	260	300	240	4–Φ18	190	210	4–Φ18	660	910
28	100GW100–30–15,5	260	300	240	4–Φ18	190	210	4–Φ18	660	910
29	125GW130–15–11	250	280	240	4–Φ18	200	235	8–Φ18	650	870
30	125GW130–20–15	250	280	240	4–Φ18	200	235	8–Φ18	650	920
31	150GW145–9–7,5	250	280	240	4–Φ18	225	265	8–Φ18	650	800
32	150GW180–15–15	250	320	260	4–Φ22	240	280	8–Φ18	690	950
33	150GW180–20–18,5	250	320	260	4–Φ22	240	280	8–Φ18	690	950
34	150GW180–25–22	250	320	260	4–Φ22	240	280	8–Φ18	690	970
35	150GW130–30–22	260	340	290	4–Φ22	240	280	8–Φ18	690	970
36	150GW180–30–30	260	340	290	4–Φ22	240	280	8–Φ18	690	1020
37	150GW200–30–37	260	340	290	4–Φ22	240	280	8–Φ18	690	1040
38	200GW300–7–11	290	350	300	4–Φ22	295	335	8–Φ18	800	900
39	200GW250–11–15	290	350	300	4–Φ22	295	335	8–Φ18	800	960
40	200GW400–10–22	290	350	300	4–Φ22	295	335	8–Φ18	800	1000
41	200GW450–13–30	290	350	300	4–Φ22	295	335	8–Φ18	800	1080
42	200GW250–15–18,5	290	350	300	4–Φ22	295	335	8–Φ18	800	960
43	200GW300–15–22	290	350	300	4–Φ22	295	335	8–Φ18	800	1000
44	200GW250–22–30	290	350	300	4–Φ22	295	335	8–Φ18	800	1080
45	200GW350–25–37	290	350	300	4–Φ22	295	335	8–Φ18	800	1100
46	200GW400–30–45	300	360	310	4–Φ22	295	335	8–Φ18	810	1150

The data is for reference only. Please consult our technicians for further information.

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Sales Manager：+39 389 949 9067
+86 198 1685 5829

Sales Representative：+39 349 721 3297

ivy@witneat.com

No. 8, North Road, Pump and Valve Industrial Zone, Dongou HE TIAN Industrial Zone

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