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Mechanical Line Leak Detector for STP, 3.8 L/h Detection

SKU KMN-FUEL-0222

A mechanical line leak detector for submersible turbine pump lines that finds 3.8 L/h leaks and restricts flow, for forecourts across South Africa.

R3 449,25

  • Detects a 3.8 L/h (about 1 gal/h) leak at 10 psi
  • Restricts flow to below 11.4 L/h when a leak is present
  • Activates 2 to 3 seconds after the nozzle is lifted
  • Suits petrol, diesel, biodiesel and paraffin
  • Shipping weight 3.5 kg

Delivered by our own trucks in 1 to 3 days. R550 / R950 / R1,450 by order weight. FREE on orders of R20,000 or more with code KH027. Delivery details

Specifications

TypeMechanical line leak detector
UseSubmersible turbine pump (STP) pressure lines
Detection3.8 L/h (about 1 gal/h) leak at 10 psi
Restricted flow on leakBelow 11.4 L/h
Activation time2 to 3 s after nozzle lift
Fluid compatibilityPetrol, diesel, biodiesel, paraffin
Connection sizeOn request
Max pressureOn request
Net weight3 kg
Shipping weight3.5 kg
DimensionsOn request

Description

Overview

A mechanical line leak detector watches the pressurised line from a submersible turbine pump (STP) and cuts the flow if the line is leaking. This unit detects a leak of 3.8 L/h, about one gallon an hour, at 10 psi. If it finds one it restricts flow to below 11.4 L/h, which is slow enough that the attendant notices and the site can act before the loss grows. It needs no power or electronics. The detector activates 2 to 3 seconds after the nozzle is lifted, so expect a short delay at the start of a fuelling when the line is being tested.

Key features

  • Detects a 3.8 L/h leak at 10 psi
  • Restricted flow below 11.4 L/h when a leak is found
  • Activation 2 to 3 seconds after nozzle lift
  • Handles petrol, diesel, biodiesel and paraffin
  • Mechanical operation with no wiring

Where it works

Forecourts in Gauteng, KZN and the Western Cape use leak detectors on every STP pressure line, and so do depot owners running underground tanks for farm, mining or transport fleets in Limpopo and Mpumalanga. It is a replacement or upgrade part for sites with older pumps. Tell us your pump model and we will confirm the fit before you order. For the connection side of an offloading point, see the bottom loading API 4 inch male coupler with handle and the version with sight glass and bronze ring. Browse more in fuel station accessories.

What’s in the box

  • 1 mechanical line leak detector

Delivery and warranty

Kamano delivers with its own trucks from Polokwane to all nine provinces in 1 to 3 days. Delivery is free on orders of R20,000 or more (VAT incl.). The shipping weight is 3.5 kg, so it ships in our lightest delivery band. Ask us for the warranty terms on this model.

Questions about this product

How does a mechanical leak detector work on an STP line?

It sits in the pressurised line from the submersible pump and tests it each time the pump starts. If the line is tight, full flow is allowed. If it is leaking at about 3.8 L/h or more at 10 psi, flow is restricted to below 11.4 L/h. It needs no electrical power to do that.

Why is there a short delay after I lift the nozzle?

The detector takes 2 to 3 seconds to activate after the nozzle is lifted, because it is testing the line before allowing full flow. That is normal behaviour for a mechanical unit. If fuelling stays slow for much longer on a healthy line, have the line and detector checked by a qualified technician.

Which fuels can it be used with?

It is listed for petrol, diesel, biodiesel and paraffin. Check the connection and your pump model before ordering, as we do not state the thread size here. Send us your pump details on WhatsApp and we will confirm that this detector suits your submersible turbine pump line.

Nationwide delivery from Polokwane

Delivered to all nine provinces in 1 to 3 days

We deliver the Mechanical Line Leak Detector for STP, 3.8 L/h Detection with our own trucks to Johannesburg, Pretoria, Cape Town, Durban, Gqeberha, Bloemfontein, Polokwane, Mbombela, Pietermaritzburg, Klerksdorp, Kimberley, Stellenbosch, Mahikeng and Welkom, and to farms, mines and sites in between. This item ships in the R550 delivery band (up to 30 kg). Orders of R20,000 or more deliver free with code KH027.

  1. JohannesburgGP
  2. PretoriaGP
  3. Cape TownWC
  4. DurbanKZN
  5. GqeberhaEC
  6. BloemfonteinFS
  7. PolokwaneLP
  8. MbombelaMP
  9. PietermaritzburgKZN
  10. KlerksdorpNW
  11. KimberleyNC
  12. StellenboschWC
  13. MahikengNW
  14. WelkomFS

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