SJET STAINLESS STEEL SELF-PRIMING JET PUMP

Component

Pump Body: Stainless Steel

Pump Support: Aluminum Alloy

Motor Housing: Aluminum Alloy

Impeller: PPO

Motor Shaft: 304 stainless steel shaft

Venturi Pipe: PPO

Diffuser: PPO

Operating Condition

Liquid Temperature up to 60 °C

Ambient Temperature up to 40 °C

Total Suction Lift up to 9 m

Function: Self-Priming

Motor

1~220V/50Hz, 110V/60Hz, 220V/60Hz on request

Insulation Grade: Class B

Cooling: External Ventilation

Protection: IP44

Build-in with Thermal Protector

Continuous Work S1

Model Parameters

Product Overview

The CGO SJET stainless steel self-priming jet pump is a compact and dependable solution for domestic water supply, shallow well extraction, and garden irrigation. Built with a full stainless steel pump body and a 304 stainless steel shaft, the SJET series resists corrosion in clean water and mildly chemical environments. Its integrated venturi self-priming system handles gas-mixed liquids without manual priming, making it a practical choice for household and small commercial applications. Five models ranging from 0.25 kW to 1.1 kW cover a broad range of head and flow requirements, with all units sharing a uniform 1-inch inlet/outlet for straightforward piping installation.

Key Features

CGO designed the SJET stainless steel jet pump around features that simplify installation and long-term ownership. The stainless steel pump body delivers meaningful corrosion resistance compared to cast iron alternatives, extending service life in damp or semi-outdoor environments. A PPO impeller and diffuser combination balances chemical resistance with hydraulic efficiency, which keeps operating costs in check over time. The built-in venturi pipe manages gas-mixed liquids automatically—operators do not need to hand-prime this shallow well pump each time it restarts. Class B motor insulation and an integrated thermal protector guard the winding against overheating during extended runs, cutting down on unexpected service calls. IP44 ingress protection suits outdoor use in covered installations, and the continuous duty (S1) rating confirms this domestic water pump is built for uninterrupted daily service rather than occasional use only.

Technical Advantages

From a hydraulic engineering standpoint, the SJET self-priming jet pump architecture solves several real installation challenges. The maximum suction lift of 9 m allows the pump to be placed well above the water source, which means no components need to be submerged—especially valuable for seasonal shallow wells where water levels fluctuate. Head capacity ranges from 25 m on the entry SJET250 up to 50 m on the SJET750 and SJET1100, so the same product family handles both low-pressure garden irrigation and higher-lift residential supply without switching to a different pump type. External ventilation cooling keeps motor temperature stable during prolonged operation, directly supporting longer winding life. Multi-voltage motor availability (standard 220V/50Hz, with 110V/60Hz and 220V/60Hz on request) makes the CGO SJET a genuinely globally adaptable stainless steel jet pump for distributors serving diverse markets.

Applications

The SJET stainless steel jet pump covers a practical mix of residential, agricultural, and light commercial scenarios. As a domestic water pump, it delivers reliable pressure for household tap supply, bathroom usage, and rooftop tank filling. Its self-priming design and 9 m suction lift make it a natural choice for shallow well extraction, where the pump sits above ground and draws from a borehole or dug well without submersible components. Garden and small farm operators rely on the SJET as a garden irrigation pump for drip systems, sprinkler lines, and reservoir transfer. Light commercial users—car wash stations, small laundries, or light food preparation—also appreciate the stainless steel construction for clean-water transfer tasks where hygiene and durability both matter.

Commercial Value

For distributors and procurement managers, the CGO SJET self-priming jet pump offers a strong value case. Stainless steel construction justifies a modest price premium in markets where corrosion-driven maintenance is a recurring cost—buyers often find the total lifecycle cost lower than cast iron alternatives. Five models within a single product family simplify inventory planning while covering a broad customer base from households to small contractors. The uniform 1-inch inlet/outlet across all SJET models reduces installation parts complexity. On-request voltage options support global distribution, and the compact, lightweight design keeps per-unit shipping costs competitive for international orders.

FAQ

Q: What makes the SJET a "self-priming" jet pump?
A: The SJET uses a built-in venturi pipe that recirculates water within the casing to expel trapped air and establish suction automatically. Once the casing is initially filled on first use, the CGO SJET shallow well pump can restart and re-prime without manual intervention.

Q: Can the SJET handle slightly corrosive water?
A: The stainless steel pump body and 304 stainless steel shaft offer good resistance to clean water and mildly corrosive conditions. The PPO impeller and venturi pipe add further chemical resistance. That said, this stainless steel jet pump is not designed for strongly acidic, alkaline, or abrasive fluids.

Q: What is the maximum depth this pump can draw from?
A: The SJET domestic water pump supports a maximum suction lift of 9 m. For deeper water sources, a submersible pump would be the more appropriate option.

Q: Are different voltage versions available?
A: The standard SJET runs on 220V/50Hz. CGO also offers 110V/60Hz and 220V/60Hz configurations on request to suit different regional power grids.