Brief introduction of j41y forged steel self sealing flange stop valve

There are three cover designs for self sealing flange globe valves. The first is the bolted bonnet. For the valve designed according to this design form, the valve body and bonnet are connected with bolts and nuts, and the spiral wound gasket (made of 316 clip flexible graphite) is sealed. Metal ring connection can also be used when customers have special requirements. The second design form is the Welded Bonnet. For the valve in this design form, the valve body and bonnet are connected by threads and sealed by full welding. Full penetration connection can also be used when customers have special requirements. The third is the pressure self tightening bonnet. For the valve designed according to this design form, the valve body and bonnet are connected by threads, and the internal pressure self sealing ring is sealed.