Hvac valve, Lining and metallurgy to suit a wide variety of applications.Integrally moulded seat liner on the body, which ensures excellent dimensional stability & guaranteed sear tightness.Pre Thermo Insulated Butterfly Valves, which avoids the cost and manpower incurred by the customer in insulating the valve after installation.Integral Thermo Insulation Technology also avoids the reinsulation cost often incurred in conventional insulation techniques.