Sigmaflex Engineering Pvt. Ltd. Supplies Stainless Steel Flexible Corrugated Metallic Hoses. Sigmaflex Engineering Pvt. Ltd. Manufactures metallic expansion bellows and hoses. Stainless Steel Flexible Corrugated Metallic Hoses is suitable for high degree of flexibility, vibration eliminator, resistance to penetration and damage, fire & moisture resistance, economical installation and longer life. Stainless Steel Flexible Corrugated Metallic Hoses is used for wide range of chemicals, petroleum products, super heated steam, fuel and oil lines, coolant, liquefied gas[cryogenic], vacuum etc.