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Structural fire work covers large areas fast
A Brief Look at the Stat Pak Software
20 filter sleeves per pack
such as a pump-up sprayer or a gravity-fed system
Quick Coupling Screw AR1 BPS1/4M cpis-done Structural fire work covers largeQuick Coupling Screw AR1 BPS1 4M QUICK COUPLING SCREW AR1 BPS1 4M (with O Ring and Backup Ring) Specifications Type Quick coupling screw, AR1 BPS 1 4 male Supplied with O ring and backup ring The backup ring is not optional A backup ring sits behind the O ring and stops it extruding into the clearance gap under pressure. Fitting the O ring without it gives you a joint that seals on the bench and fails under working pressure which is exactly when you
