412-MFS

Needle Valve, Hard Seat, 1-1/2 NPT Male - 1-1/2 NPT Female, 316 SS, 0.438" Orifice

Item #100479271

Auto Replenish

each One-time purchase

Product Details

100% helium leak tested to 1 x 10^-4 ml/s for guaranteed performance and reliability
Blow-out proof stem provides a secondary stem seal in the full open position
FKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling
PTFE or Graphite packing optional (certain NPT sizes only)

Specifications