Butterfly design. Housing made of stainless steel with fluoroelastomer seal. Two Buna-N rings act as rotary shaft seals. Helium leak-tested. Leak rate 1 x 10
-6 mbar x l/s. Excellent throughput.
| Manufacturer: | Vacuubrand GmbH & Co.KG |
| Article description 1: | Butterfly globe valve with KF, model VS 40/DN 40 |
