JST SK Sewage Pumps
JST 55SK4 4″ 400v 012-790
- Established 1975
- Trusted by thousands of customers
JST 55SK4 4" 400v 012-790
JST SK pumps are submersible sewage cutter pumps.
The tungsten carbide tipped impeller runs against a grinding diffuser plate, shredding and cutting soft solids into smaller parts to pump through the body to waste. The pump features a cast iron pump body, volute stand, impeller, lower motor bearing/seal housing and motor top cover, while the motor case and shaft are from stainless steel.
Twin mechanical seals help prevent abrasives such as sand, dirt and silt from entering the seal chamber.
Complete with 10m of power cable. Hose tail adapters are supplied with all models.
Hosetails supplied with all models apart from JST-37/55/75 SK.
More about this product
Features
- Maximum Head: up to 24m
- Maximum Flow: up to 2200 litres/min
- 2" (JST-8 SK) or 3" (JST-15/22 SK) or 4" (JST-37/55/75 SK) outlet
- 415V
Applications
- Sewage waste drainage
- Sewage cutter impeller allows soft solids to be passed through the pump body to waste
Standard delivery:
Standard delivery is free on most orders. Some items may incur a delivery charge depending on weight, size or value. Any applicable charge will be displayed at checkout.
Deliveries will typically be made between 7am and 6pm, Monday to Friday (excluding public holidays).
Next day delivery:
Next working day delivery is available for a £16.50 + VAT delivery charge.
Orders must be placed before 12 noon to qualify for next working day delivery. Orders placed after 12 noon on Thursday but before noon on Friday will be delivered the following Monday. Orders placed after 12 noon on Friday will be delivered on Tuesday.
Pallet/Large/Difficult items:
Some large, heavy or difficult to transport items may incur an additional delivery charge. Please contact us for a delivery quote before ordering.
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Frequently Asked Questions
Quick answers to common questions about the JST 55SK4 4″ 400v 012-790. For technical specifications, see the product details above; for sizing or installation advice, contact our team. If you have any other questions, we're happy to help.
What is a submersible pump?
A submersible pump is designed to operate fully submerged in the liquid it is moving. The motor is sealed inside the pump body and cooled by the surrounding water. Submersibles are used for drainage, sewage, septic tanks, deep wells and boreholes, and for raising water from sumps, cellars and floodwater. Many stocked at Anglian Pumping handle solids in suspension.
Can submersible pumps handle solids and sewage?
Yes – some submersibles are designed for clean water only, others handle solids up to 50 mm or full raw sewage. Anglian Pumping stocks ABS, BBC, Flygt and T-T Submersibles ranges that include vortex, single channel and grinder impellers for different solids handling requirements. Always match the pump to the maximum solid size and the type of effluent it will see.
When should I use a submersible pump instead of a surface pump?
Use a submersible when the water level is more than around 8 metres below the pump installation point – surface pumps cannot self-prime beyond that depth. Submersibles are also better when the liquid contains solids, when noise must be minimised, or when the pump needs to operate in confined spaces such as sumps and chambers where a surface pump would not fit.