The Masport® low profile primary shut-off trap provides initial vacuum pump protection against contamination and damage from material carry-over. Quality construction with wing-nut release lid and independent shut-off float cage assembly, makes inspection convenient and fast. Chemical and corrosion resistant viton float seat, positive O-ring lid seals, stainless-steel ball and heavy wall steel cage allow for superior durability. The non-restrictive, full flow shut-off trap is sized to prevent early float ball activation. Our three sizes will match any vacuum pump with air-flow from 20 to 400 C.F.M. All primary traps are unpainted.
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