All Restek canisters are originally equipped with high-quality Parker Hannifin diaphragm valves. Each valve is helium leak-tested to 4 x 10-9cc/sec. The all-stainless steel construction eliminates contamination and withstands temperatures from -100°C to 250°C. All valves have 1/4" compression inlet and outlet connections. 3-Port valves also include an 1/8" female NPT port for a gauge.
- High quality, metal-to-metal seal, 2/3-turn valve with stainless steel diaphragms.
- 2-port or 3-port valve available.