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Home Deep well submersible pump 4ST submersible 4-inch pumps 4ST12/14
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Categories: 4ST submersible 4-inch pumps, Deep well submersible pump
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  • Description
  • Documentation
Description

Applications

For water supply from wells or reservoirs
For domestic use, for civil and industrial applications
For garden use and irrigation

Operating conditions

Maximum fluid temperature: up to +35°C
Maximum sand content: 0.25%
Maximum immersion: 80 m
Minimum well diameter: 4″

Motor and pump

Rewindable motor or fully sealed screen motor
Three-phase: 220V/380V, 50Hz
Single-phase: 220V, 50Hz
Equipped with start control box or digital auto-control box
Pumps are designed with casing stress considerations
Compliant with NEMA dimension standards
Company-specific dimension standards
Curve tolerance according to ISO 2548

Warranty: 1 year

According to our general sales conditions

Warranty

Components

Diffuser Cover/PC

Diffuser Cover/PC

Impeller/POM

Impeller/POM

Diffuser/PC

Diffuser/PC+GH

Outlet/H57

Connect support SUS304

Connector/H57

Outlet/SUS304

Top Chock/H57

Connector/SUS304

Components Material
Pump external casing ① AISI 304 SS
Outlet ① AISI 304 SS
Connector ① AISI 304 SS
Diffuser Plastic.PC GF
Impeller Plastic.PPO
Shaft ① 410 ② AISI 304 SS
Shaft coupling ① AISI 316 SS ② AISI 304 SS
Motor external casing ① AISI 304 SS
Top chock ① Cast-Cu ASTM280 ② AISI 304 SS ③ Cast-iron
Mechanical seal Special seal for deep well (carbon-SIC/TC)
Shaft AISI 304 SS-C1045
Bearing ① NSK ② C&U
Seal lubricant oil Oil for food machinery and pharmaceutical use


Flow Rate


Flow Rate

Performance Data 50Hz


Performance Data
Documentation

No Name No Name
1 Clamping spring 32 O-ring
2 End cover 33 Guarding terminal
3 Rubber cup 34 O-ring
4 Motor external casing 35 Oil screw
5 Bearing seat 36 Cable plug
6 Insulation paper 37 Stainless steel/Cable sheath
7 Stator 38 Cable shield
8 Deep-groove ball bearing 39 Cable
9 Rotor 40 Cruciform slot/Panhead screw
10 Deep-groove ball bearing 41 Cable cover
11 Gasket 42 Coupling
12 Flat gasket 43 Fastening screw
13 Mechanical seal 44 Adjustable gasket
14 Static ring 45 Adjustable shaft Sleeve
15 “O” sealing ring 46 Shaft
16 Stator ring 47 Diffuser cover
17 Top chock 48 Impeller
18 Screws 49 Diffuser
19 Button 50 Gasket
20 Top chock cover 51 Clamping spring
21 Screw bolt 52 Upper shaft sleeve
22 Clamping spring 53 Adjustable gasket
23 Screw 54 Pan head screws with Cross recessed
24 Sand proof seat 55 Rubber shaft sleeve
25 Gasket 56 Upper support
26 Sand proof cap 57 Check valve seat
27 Connector 58 Valve seat “o” ring
28 Strainer 59 Check valve core
29 Pump external casing 60 O-ring
30 Screw 61 Outlet
31 Connection plug

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