What to Know Before You Order
YSC-P-3 Hard Tube Pipe Fitting belongs to the family of cast and pressed fittings that hold a 28 mm tube frame together. Individually it is a small casting with one bolt; collectively these parts decide whether a workstation behaves as one rigid structure or as a set of tubes leaning against each other.
Points that decide whether it works
- Retorque 24 to 48 hours after assembly. PE and ABS coatings creep under sustained clamping pressure, so a joint set correctly on Monday is measurably looser in three weeks. This is the single most skipped step in every installation.
- Surface finish is a corrosion decision. Zinc plating covers general workshop conditions; chromed or electrophoresed finishes are for visible frames and light washdown; stainless is for humidity, washdown and coastal freight.
- Mark each joint with a paint pen once torqued. A broken line means something moved, and it is visible from across the aisle without touching the frame.
- Ask for the ESD version explicitly if the cell is grounded. A standard painted joint sitting in an otherwise dissipative workstation interrupts the path at the most inconvenient place.
- Confirm the pipe you are joining: 28 mm OD is the standard, but wall thickness changes how much clamping travel the joint has. Thin-wall and thick-wall tube are not always interchangeable in the same fitting.
Frequently Asked Questions
How much load can this joint carry?
The joint is rarely the first thing to fail — the tube span usually gives way first, by sagging rather than breaking. What limits a frame is joint stiffness under sideways load, which is why torque and retorquing matter more than the catalogue weight figure.
Can it be reused after dismantling?
Mechanically yes, but clamping force depends on the coating recovering its thickness. After two or three assemblies the joint needs more torque to hold the same load, so treat reuse as a maintenance decision rather than a free option.
Do you supply an ESD version?
Yes. The dissipative version is specified where the workstation is grounded, and it needs to be ordered explicitly rather than assumed — mixing standard and dissipative joints in one frame breaks the path.
