TESCOM™ 44-4700 Series Back Pressure Regulators
TESCOM™ 44 – 4700 Series Industrial Back – Pressure Gas Regulators The 44 – 4700 series is an extremely sensitive high – purity back – pressure regulator suitable for specialty, flammable, and industrial gases in low – pressure and vacuum pressure control. The anti – leakage metal valve membrane seal ensures gas purity and prevents leakage. It is highly suitable for analytical systems, sampling systems, and pilot plants. Specifications – Maximum Inlet Pressure: – 50 mm Hg absolute – 15 psig [1 bar] – 50 mm Hg absolute – 50 psig [3.4 bar] – 50 mm Hg absolute – 100 psig [6.9 bar] – 50 mm Hg absolute – 150 psig [10.3 bar] – Materials: – Body and Diaphragm: 316 stainless steel – Bonnet: Electroless nickel – plated – Valve Seat: Teflon® – Main Spring and Bias: 316 stainless steel – Other Components: 316 stainless steel – Ambient Operating Temperature: -40°F to 165°F / -40°C to 74°C – Port Sizes and Types: 1/4″, 3/8″, SAE, NPTF, MS33649, HPIC – Flow Capacity: Cv = 0.04, 0.30 available – Load Type: Spring – Weight: 2.75 lbs [1.2 kg] – Other Information: For customized modifications or complete system solutions, please contact our staff. Features – The 316 stainless steel diaphragm provides metal – to – metal complete sealing and high sensitivity. – A relatively large sensor seat area ratio offers low opening and closing pressure differentials and excellent repeatability. – With a negative spring bias, it is suitable for vacuum systems. – An adjustable restrictor can limit the maximum outlet pressure. – Designs compliant with NACE can be provided. |