construction and PTFE seats

They are commonly used in restrooms in restaurants

and the chrome-plated escutcheon

Securall L144 44 Gal

Parker Needle Valve, Straight, 316 SS, 1/4 In. - 4A-V4LK-SS Specimen Cabinets & Healthcare Accessories construction and PTFE seatsGeneral Purpose,Packing above the stem thread (PAT) provides bubble tight shutoff. Cold formed body threads. Strain hardened stem threads. PTFE seals.,Tested in accordance with ISA S75. 02.,316 Stainless Steel, Max. pressure: 5000 psig CWP,Packing above the stem thread (PAT) provides bubble tight shutoff. Cold formed body threads. Strain hardened stem threads. PTFE seals.,Instrumentation Needle Valves