The SS Series regulators are compact, single stage, diaphragm sensed, and elastomer free, general purpose regulators. This Series regulators feature diaphragm and are designed for inlet pressures up to 3000 PSIG (206.8 bar) and outlet pressures up to 100 PSIG (6.89 bar). .Compact, general purpose, cylinder regulators o.er reliable performance in a compact, lightweight design.