ADVANCED TECHNOLOGY - Stem protective tube : Stem protection against external splashes - Pre-shaped parts : Rigid and light. Steel epoxy coated or stainless steel. Drilled for limit switches equipment, solenoid valve, security protection. (CE marking) - Position indicator : Indication of knife position. - Bolted packing gland : Adjustable on duty. - One piece body : Resistance to distorsion, rigidity. Prevents leakage compared to "half-bodies" valve. - Anti-corrosion coating : Oven backed epoxy. - Sharp knife : Machined and polished. - Gasket seat wrenching not possible : Molded rubber gasket and heel shaped. - Fixing lugs : Bottom line installation.