- Oxygen (\text{O}_2) Valves: Key or wheel-operated; built from high-tensile brass with SS 304 spindles and Teflon gland packing, specifically degreased/cleaned for oxygen service.
- Nitrogen (\text{N}_2) & Argon (\text{Ar}) Valves: Standard high-pressure inert/purge gas valves.
- Hydrogen (\text{H}_2) Valves: Left-hand thread connections designed for flammable high-pressure gases.
- Dissolved Acetylene (\text{C}_2\text{H}_2) Valves: Heavy-duty key-operated valves available with or without an integrated fusible safety plug (designed to melt and release pressure at 100 \pm 4^\circ\text{C} in case of fire).
- Chlorine (\text{Cl}_2) Valves: Special corrosion-resistant construction using Aluminium Silicon Bronze bodies and Monel metal spindles to withstand toxic, highly corrosive environments.
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