Floating ball valve

Cast steel fixed ball valve

American standard fixed ball valve

Side mounted eccentric hemispherical valve

Dress eccentric hemisphere valve

Pigging valve

Stainless steel fixed ball valve

Stainless steel worm fixed ball valve

Fixed worm gear welded ball valve

Fixed worm gear welded ball valve

Directly buried lengthening rod full welded ball valve

Buried with their double diffusion welded ball valve