Services
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February 15, 2024
LIVE PIPELINE VALVE REPLACEMENT USING INFLATABLE LINE STOP & PIPE FREEZING
Location Singapore – Semiconductor Plant Project Completed August 2023 Technical Details Pipe Material : Stainless Steel Pipe Size : DN200 (8”) Pipe Pressure : 6.5 Bar (100 psi) Pipe Medium : Process Cooling Water Technical Challenges The client required replacement of faulty DN200 (8”) Butterfly Valve without service interruption. Technical Solutions DN200 (8”) Inflatable […]
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January 15, 2024
MECHANICAL LINE STOP ON HIGH PRESSURE 14 INCH PIPELINE
Location Singapore – High Rise Commercial Building Project Completed September 2023 Technical Details Pipe Material : Carbon Steel Pipe Size : DN 350 (14 inch) Medium : Condensed Water Pressure : 20 Bar (300 psi) Technical Challenges The client had a high-pressure (20 Bar) leak on a DN350 high rise pipeline. The leak was […]
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June 05, 2023
HOT TAP & VALVE INSERTION – With By-Pass Chilled Water Pipeline
Location Hong Kong – Infrastructural Network Provider Project Completed May 2023 Technical Details Pipe Material : Carbon Steel Pipe Size : DN 400 Medium : Industrial Water Pressure : 3.5 Bar (50 psi) Technical Challenges The challenge was to modify an existing pipeline for future expansion with uninterrupted operation. Technical Solutions Hot Tap c/w […]
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May 05, 2023
ACMV AIR FLOW BALANCING IN COMMERCIAL OFFICE TENANCY
Location Singapore – Commercial Office Tenancy Project Completed May 2023 Technical Details Number of Diffusers : 248 Gross Floor Area : 3200 m2 Technical Challenges Alstern was nominated as the ACMV contractor to provide the ACMV full package installation to the Office Tenancy. There were 248nos of Air vents and diffuser installed. Commissioning the […]
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April 17, 2023
PVC CLADDING PIPE INSULATION IN CLEAN ROOM FACILITY
Location Food Processing Plant in Singapore Project Completed March 2023 Technical Details Pipe Material : PVC Insulation Material : Elastomeric foam Cladding Material : PVC Pipe Size : DN25, DN40 & DN50 (1, 1.5 & 2 inches) Medium : Chilled Water Insulation Thickness : 50 mm (2 inches) Total Pipe Length : Around 160 […]
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