Philips SOX PSG 55W BY22d T50 at tiny prices! Fast shipping. Philips quality in large quantities with important discounts! Contact us! Philips SOX PSG 55W BY22d T50 specifications Philips SOX PSG are low pressure sodium vapor lamps. These U-shaped discharge tubes contain sodium. The getter is new, solid form, it uses PSG technology (Philips Solid-State Getter) which provides greater reliability throughout the life of the lamp. The luminous flux is also improved by the uniform distribution of the sodium in the tube (balancing holes provide stability). With a diameter of 52 mm, Philips SOX PSG 55W BY22d T50 lamps have a BY22d base. Philips SOX PSG 55W BY22d T50 lamps provide a light at a color temperature of 1800K, which corresponds to a monochromatic yellow light. The luminous flux is of lumen. Also, the lifespan of Philips SOX PSG 55W BY22d T50 lamps is very long, near 18000 hours. These lamps are also equipped with a UV filter, which will protect against the discoloration of objects. Philips SOX PSG 55W BY22d T50 use are mainly used for lighting harbors, but these lights can also be used for airport lighting. These lamps can also be placed in orientation signs or as safety lighting.