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Govt. of India recognised One Star Export House · DGFT, valid 25/11/2025 – 25/11/2030Polyfit is an A-Level SQ certified companyTÜV Rheinland certified: structural steel fabrication (EXC3), welding processes & inspectionRecognised by TATA Power Solar with the Green Practices Excellence Certificate for our 400 kWp solar power system
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Polyfit Engineering Team

Hydraulics & manufacturing engineers

Engineers from Polyfit’s hose assembly, fittings and fabrication divisions in Chennai. [Replace with a real author: name, photo, bio and LinkedIn profile.]

Hydraulic hosesFittingsTube bending
A detailed look at types of Hydraulic hose fittings
Fittings · 13 min readTypes of Hydraulic Hose Fittings: How Each One Seals, How to Identify It and Which to UseNPT, BSP, JIC, ORFS, metric, JIS, flanges and quick couplers: how every common hydraulic hose fitting seals, a thread identification chart, and how to pick the right end for your machine.
How to read a hydraulic hose spec table
Hose selection · 11 min readHow to read a hydraulic hose spec tableDash size, DN, working vs burst pressure and bend radius, decoded.
Company news · 1 min readPolyfit recognised as a One Star Export HouseWhat the DGFT recognition (valid 2025–2030) means for our export customers.