R. STAHL is a leading supplier of explosion proof/ protected electrical & electronic products for hazardous locations. Explosion protection is a major concern in many of the world most vital industries. Whenever these companies choose to address their concern with the world’s finest products and services, we are there: In hostile installation and operating areas. In hazardous (classified) locations involving gases, vapors or dust. In harsh environments with moisture, corrosive chemical atmospheres or extreme temperatures.