Leak testing machine manufacturer in Pune
Pressure-decay leak tester. The part is sealed in a nest, pressurised and monitored; a pass lights green, a fail is rejected.
S. J. Enterprises designs and builds the leak testing machine at our works in Bhosari, Pimpri-Chinchwad, and supplies plants in Pune, Pimpri-Chinchwad, Bhosari, Chakan, Talegaon, Ranjangaon, Hinjewadi and across Maharashtra. Every unit is engineered around your component drawing and proven on your parts before dispatch.

What is inside a leak testing machine
The 7 main assemblies of the leak testing machine we build, as shown in the interactive 3D model on our home page.
- 1Machine frameWelded square-tube frame with levelling feet and panel-mounted pneumatics.
- 2Test nestMachined nest with seals that locates the component for test.
- 3Sealing cylindersPneumatic cylinders that press the seal plugs onto the part ports.
- 4Clamp lidTop plate that closes over the part during the test.
- 5Leak test instrumentPressure-decay instrument with set pressure, fill, stabilise and test timers.
- 6Air preparation unitFilter, regulator and reservoir that supply clean, stable test air.
- 7Pass / fail indicationGreen lamp and counter on pass; red lamp and reject marking on fail.
Why buy your leak testing machine from S. J. Enterprises
- Established 2007 in Bhosari, Pune, with two production units and in-house design, VMC machining, fabrication, welding and assembly.
- Supplier to GE Aerospace, Tata, Aptiv, Amphenol, Autoline Industries, Polyrub, US Hydraulics and MK Tron.
- Trial on your parts, installation, commissioning and operator training included.
- After-sales service, spares and later retooling for new variants.
Send the drawing, material and output per shift. We reply with a concept and quotation.
Leak testing machine: questions buyers ask
How long does a leak testing machine take to build?
Typically 4 to 12 weeks from drawing approval depending on size and hydraulics; fixtures and gauges are usually faster. We commit the delivery date in the quotation.
Can the leak testing machine be customised to our part?
Yes. Every SPM we build is designed around your component drawing, cycle time and floor space, and proven on your parts before dispatch.
Do you install the leak testing machine at our plant?
Yes. We trial at our Bhosari works, then install, commission and train your operators at your plant, with service support afterwards.
Where are you located?
S. No. 213/5, Rastra Prem Nagar, Bhosari Dighi Road, Bhosari, Pimpri-Chinchwad, Pune 411039, with a machine shop at Talawade. We serve plants across Pune and Maharashtra.