Shut-off with PTFE plug for grease free operation.– Polished shut-off valve sleeve with PTFE valve plug for grease-free operation – The 3-part tap safety catch secures the tap plug in the tap sleeve. – Taper 1:10 – Glass articles for further processing – Shut-off with PTFE plug for grease free operation.– Polished shut-off valve sleeve with PTFE valve plug for grease-free operation – The 3-part tap safety catch secures the tap plug in the tap sleeve. – Taper 1:10 – Glass articles for further processing –