Ruixing forged steel gate valve is available in three kinds of bonnet design:
(1) Bolted Bonnet: The body and bonnet is connected by bolts with spiral wound gasket (F304+graphite)or metal rings sealed;
(2) Welded Bonnet: The body and bonnet is screwed and sealed by welding;
(3) Pressure Sealed Bonnet: The body and bonnet is screwed and sealed by inside pressure self-sealed ring.