552 Tightfit Daikin Tightfit is a non-brazed connection suitable for refrigerant piping. Pipes can be joined easily and quickly without brazing or using any special tools. It meets stringent safety requirements and provides leak-free tightness. J Double edged claw catches the pipe to form tight, mechanical sealing ISO 14903 certified J Specially developed REFNET allows direct connection to Tightfit joints J Unique mechanical and resin sealing prevents any leak J Extremely durable: can withstand up to 4 times the maximum operting pressure of R-32 refrigerant (17.2 Mpa) Tightfit Mechanism Type: SDGTB19 Daikin Tightfit is awarded 3 Ticks Excellent Rating by Singapore Green Building Product (SGBP) scheme. SGBP is a certification for green building products and materials, ensuring that sustainability is integrated throughout the design and manufacturing process of green building products. Green indicator is hidden ✓ ✗ ‘L’ shaped mark falls within the notch ✓ ✗ Installation in 4 easy steps 1 Mark the insertion line Mark the insertion ‘T’ or ‘L’ standard line with the marking gauge and marker pen at the proper position of each pipe size. 2 Insert the pipe 1. Insert firmly by hand until the pipe stops. 2. Make sure that the insertion standard line is no longer visible. 3 Tighten the nut 1. Hold the main body and tighten the nut by hand 2. Hold the main body and tighten the nut with a monkey wrench, until the green indicator disappears and the nut comes into contact with the flat face of the body. 4 Check 1. Green indicator should be hidden. 2. Place the marking gauge on the end face of the nut and make sure that the ‘T’ or ‘L’ shaped mark falls completely within the notch in the marking gauge. Indicator Main body O-ring Nut 3rd sealing (Rubber) 2nd sealing (Metal) 1st sealing (Rubber) Gasket ✗ ✓
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