Introducing our premium Spare and Sand Casting Pump Wet End Parts, expertly crafted for Slurry Sand Pumps. These components are designed to deliver unparalleled performance and durability.
Naipu - a name synonymous with quality and reliability in the pump industry.
® Your direct factory source for
slurry pumps, sand gravel pumps, dredging pumps, and an extensive range of spare parts. With over 30 years of unmatched production expertise, Naipu stands as a beacon of excellence. .
Naipu boasts state-of-the-art facilities including our own mode workshop, foundry workshop, machining workshop, and assembly workshop.
We specialize in manufacturing spare parts tailored to your drawings or samples.
Choose from lost foam casting
and
sand casting methods to meet your precise requirements.
Our standard slurry pump spare parts are fully interchangeable with HA, HH, M, L, SP, AF, and G Series pumps.
Key Pump Spare Parts include:
Key Slurry Pump Parts: Impeller, Volute Liner, Casing, ThroatBush, Frame Plate Liner Insert, Cover Plate, Frame Plate, Pump Liner Expeller, Expeller Ring, Stuffing Box, Expeller, Pump Shaft, Shaft Sleeve, Shaft Spacer, Bearing Assembly, Base, Stuffing Box, Gland Assembly, Bearing Housing, Lantern Ring, pump discharge pipe, flange, and more.

OEM (Original Equipment Manufacture) Service
Leveraging decades of rich experience in slurry pump manufacturing
and
design,
NAIPU is equipped to
execute
OEM customization for entire pump sets and a wide range of spare parts. These parts can be made from various materials to meet customer
'
s requirements, including Alloy 20, Hastelloy Alloy, A 61, and more.
Pump Parts Material Options:
|
LINERS |
IMPELLERS |
CASING |
BASE |
EXPELLER |
EXPELLER RING |
SHAFT SLEEVE |
SEALS |
Standard |
Chrome Alloy
Natural Rubber |
Chrome Alloy
Natural Rubber |
SG Iron |
SG Iron |
Chrome Alloy
or
SG Iron |
Chrome Alloy
or
SG Iron |
SG Iron |
Rubber
and
Nitrile |
Options |
Ferralium
Hastelloy C
316 SS
W151
Polyurethane
Neoprene
Butyl
Nitrile
EPDM
Hypalon |
Ferralium
Hastelloy C
316 SS
W151
Polyurethane
Neoprene
Butyl
Nitrile
Hypalon |
SG Iron
Various grades |
MS
Fabricated
Cast Iron |
NI Resist
Ferralium
Hastelloy C
Polyurethane
316 SS
W151 |
NI Resist
Ferralium
Hastelloy C
316 SS
Rubber
W151
Polyurethane
Neoprene
Butyl
Nitrile |
EN56C
Ferralium
Hastelloy C
Titanium
316 SS
304 SS |
Ceramic
Stellite
Chrome Oxide
Nordel
Neoprene
|
Company Profile
Shijiazhuang Naipu Pump Co., Ltd., a dedicated global leader in industrial pump manufacturing, boasts over 30 years of unparalleled production expertise. Specializing in a diverse range of slurry, sewage, and sump pumps, along with high chromium alloy components and tailored OEM/ODM solutions, Naipu Pump is synonymous with quality and innovation. Certified under ISO9001, ISO14001, and ISO45001 standards, our state-of-the-art 60,000 square meter facility houses 150 skilled craftsmen and 50 technical professionals, delivering 8,000 tons of components and 8,000 pumps annually. With global sales reaching $20 million, our products are trusted worldwide.
Through years of dedicated growth, Naipu has evolved into an eco-friendly manufacturing powerhouse. Our facility is equipped with environmentally sustainable resin sand molding machines, high-efficiency electric furnaces, advanced heat treatment, and meticulous sand cleaning systems. Every mold undergoes rigorous inspection to ensure comprehensive protective coating coverage, guaranteeing the production of flawless castings. Achieving environmental and health certifications has significantly enhanced our workers' operating conditions.
Our extensive spare parts inventory ensures that customers receive immediate replacements when needed. Each part undergoes thorough size inspection and secure packaging prior to shipment, ensuring reliability and quality.
Our versatile products are ideal for all slurry pumping applications, including chemical processing, mineral processing, power generation, and general industry.
Naipu Main Products
1.N
AH , HH LHorizontal Slurry Pump
2. SP Vertical Sump Pump
3. ZJQ Submersible Slurry Pump
4. G Horizontal Sand Gravel Pump
5. ZJQ Submersible Sand Pump
6. WS Dredging Pump
7. AF VerticalFroth Pump
8.
AHF
Horizontal Froth Pump
9
. TL(R) Desulphurization Pump
10
. Clean Water Pump
11
. OEM Casting Machinery WearParts
NHA series |
L(R) ,M |
HH |
SP(R) |
G |
AF Series |
1.5/1B-HA(R) |
20A-L |
1.5/1 C-HH |
40PV-SP(R) |
6/4D-G |
2QV-AF |
2/1.5B-HA(R) |
50B-L(R) |
3/2D-HH |
65QV-SP(R) |
8/6E-G |
3QV-AF |
3/2C-HA(R) |
75C-L |
4/3E-HH |
100RV-SP(R) |
10/8F-G |
6SV-AF |
4/3C-HA(R) |
100 D-L |
4/3X-HH |
150SV-SP(R) |
10/8S-G |
8SV-AF |
6/4D-HA(R) |
150E-L |
6/4F-HH |
200SV-SP |
12/10G-G |
2C-HAF |
6/4E-HA(R) |
300S-L |
6/4X-HH |
250TV-SP |
14/12G-G |
3C-HAF |
8/6E-HA(R) |
10/8 R-M |
6S-H |
|
14/12T-G |
4D-HAF |
8/6R-HA(R) |
10/8 E-M |
8/6S-H |
|
16/14 G-G |
6E-HAF |
10/8F-HA(R) |
|
8/6X-H |
|
16/14TU-GH |
|
10/8X-HA(R) |
|
6S-HP |
|
16/14H-GH |
|
12/10ST-HA(R) |
|
8/6S-HP |
|
18/16G-G |
|
14/12ST-HA(R) |
|
8/6X-HP |
|
18/16 TU-GH |
|
16/14TU-HA(R) |
|
|
|
|
|
20/18G(TU)-HA(R) |
|
|
|
|
|

Spare Parts
Impeller, Volute Liner, Casing, Throat Bush, Frame Plate Liner Insert, Cover Plate, Frame Plate, Pump Liner Expeller, Expeller Ring, Stuffing Box, Expeller, Pump Shaft, Shaft Sleeve, Shaft Spacer, Bearing Assembly, Base, Stuffing Box, Gland Assembly, Bearing Housing, Lantern Ring, Pump Discharge Pipe, Flange, and more.
OEM Pump Wear Parts
With extensive experience, Naipu excels in manufacturing OEM wear parts based on precise drawings and samples.
Workshop
Shijiazhuang Naipu Pump Co., Ltd. boasts its own Foundry, Machining, and Assembly workshops, along with advanced heat treatment and testing equipment.
We warmly welcome you to visit our factory!





Certificates
Naipu proudly holds ISO9001:2015, CE, and EAC certifications.
After-Sales Service
To minimize after-sales issues, we re-confirm product parameters with customers post-order confirmation. Throughout production, we maintain strict quality control and keep customers informed actively.
During the production process, we strictly control the quality, and actively communicate with customers in case of discrepancies.We rigorously address any issues to ensure all our products meet the highest standards of quality.
Should any issues arise during on-site use, kindly send us photos or videos and describe the problem. Our technicians will swiftly provide solutions within 24 hours. If it is a quality issue with our products, we will replace theparts free of charge.
Typically, our warranty period is 1 year, excluding normal wear of wear parts.
FAQ
1. What products does Naipu Pump primarily produce?
Naipu specializes in producing Slurry Pumps, Gravel Sand Pumps, Dredging Pumps, Centrifugal Water Pumps, and Spare Parts. We also manufacture other wear casting parts if provided with a drawing or sample.
2. Is Naipu a direct manufacturer or a trader?
Yes, Naipu is a direct pump manufacturer with its own foundry workshop, machining workshop, heat treatment equipment, assembly workshop, and advanced quality inspection equipment (Hardness, Spectrometer, Ultrasonic, Penetration, and Pump Performance Test Station).
We warmly welcome you to visit the Naipu factory at any time.
3. What information is required for quotes?
For spare parts, we need the parts code and material.
For a complete pump set, we need to know the intended usage, flow rate,,head,,and SG, and whether the medium is corrosive. The more detailed the information, the better the quote.
4.
Are these pumps and parts interchangeable with those of famous brands?
Yes, our pumps and parts are 100% interchangeable with other famous brands, requiring no modifications to the pump.
5. What is the warranty period and the expected lifespan of the products?
The warranty period is 1 year. If it is a quality issue, we are responsible at any time.
The lifespan of wear parts varies due to factors like particle size, hardness, shape, concentration, and corrosion.
6. What is the minimum order quantity (MOQ)?
The MOQ is one piece of spare parts or a pump.
Please feel free to contact us.
Shijiazhuang Naipu Pump Co., Ltd.
Contact person: Kitty Liu
Shijiazhuang, Headquarters
Address: No. 368, Xinshi North Road, Shijiazhuang, Hebei Province, China