TESCOM™ 44-4700 Series Back Pressure Regulators

TESCOM™ 44 – 4700 Series Industrial Back – Pressure Gas Regulators

The 44 – 4700 series is a highly sensitive high – purity back – pressure regulator, suitable for specialty, flammable, and industrial gases in low – pressure and vacuum pressure control. The leak – proof metal diaphragm seal ensures gas purity and prevents leakage. It is very suitable for analysis systems, sampling systems, and test 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 copper
– Seat: Teflon®
– Spring Main Valve 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 optional
– Load Type: Spring
– Weight: 2.75 lbs [1.2 kg]

Features
– The 316 stainless steel diaphragm provides a complete metal – to – metal seal and high sensitivity.
– The large sensing seat area ratio provides low opening and reseating differentials and excellent repeatability.
– Negative spring bias, suitable for vacuum systems.
– Adjustable restrictors can limit the maximum outlet pressure.
– Designs compliant with NACE can be provided.