Product Information

Various Fittings Tightening Procedure

Fine Series PURE F900 Fittings, Stainless Steel (SUS316)

Ring Joint, Brass （C3061B, C3771B）

1 and 1/4 rotations, number of rotations when tightening for the first time 1/4 rotation, number of rotations when retightening after removal

Double Rings Compression and Bite Type

V-Lok, Tube Fittings Double Rings Compression and Bite Type, Stainless Steel (SUS316 ASTM standard material)

1 and 1/4 rotations, number of rotations when tightening for the first time 1/4 rotation, number of rotations when retightening after removal 3/4 rotation for the preliminary tightening 1/4 rotation after preliminary tightening

※ For nominal diameter 4 mm or less, number of rotations when tightening for the first time at installation is 3/4 turns after hand tightening.

※ For plug union and port connectors, 1/4 turns after hand tightening.

POWERFULLOK Tube Fittings, Stainless Steel (SUS316)

1 and 1/4 rotations, number of rotations when tightening for the first time 1/4 rotation, number of rotations when retightening after removal 3/4 rotation for the preliminary tightening 1/4 rotation after preliminary tightening

※ For nominal diameter 4 mm or less, number of rotations when tightening for the first time at installation is 3/4 turns after hand tightening.

※ For plug union and port connectors, 1/4 turns after hand tightening.

V-Series PDW Tube Fittings, Brass (C3771B)

1 and 1/4 rotations, number of rotations when tightening for the first time 1/6 rotation when retightening after removal 1 and 1/4 rotations for the preliminary tightening 1/6 rotation after preliminary tightening

SUPER W-BITE FITTING (SUW), Stainless Steel (SUS316)

1 and 1/8 ～ 1 and 1/4 rotations, number of rotations when tightening for the first time 1/4 rotation, number of rotations when retightening after removal 3/4 rotation (≤8mm), 1/2 rotation (≥10mm) for the preliminary tightening 3/4 rotation (≤8mm), 1/2 rotation (≥10mm) after preliminary tightening

Fine Series PURE F900 (LF900), Stainless Steel (SUS316)

1 and 1/4 rotations, number of rotations when tightening for the first time 1/4 rotation, number of rotations when retightening after removal 3/4 rotation for the preliminary tightening 1/2 rotation for the preliminary tightening

Union Gasket Type

Fine Series PURE UJR Fittings, Stainless Steel (SUS316 or SUS316L)

1/6 rotation when tightening for the first time 1/6 rotation when tightening after gasket change

※ Sleeve need to be welded.

Fine Series PURE UPG® Fittings, Stainless Steel (SUS316L)

1/4 rotation when tightening for the first time 1/4 rotation when tightening after gasket change

※ Sleeve need to be welded.

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