Dome Valves Insert Seals are used as suitable sealing solutions for pneumatic conveyors to make these pressure tight. Available in different sizes, these insert seals are especially suitable for handling high temperature and chemically aggressive substances. Made of neoprene or viton or silicon, these round shaped rubber seals are reckoned for having high strength and accurate diameter. Dome Valves Insert Seals have been produced by following advanced injection molding technology. These insert seals are moisture proof and these have standard elongation rate.