北海One piece ball valve wv101

北海One piece butterfly handle ball valve wv101b

北海Two piece ball valve wv102

北海Two piece internal and external tooth ball valve wv102m

北海Three piece ball valve wv103

北海Three way ball valve

北海One piece flange ball valve

北海Two piece flange ball valve wv301

北海Mini internal thread ball valve wv201

北海Mini external tooth ball valve wv202

北海Mini internal and external tooth ball valve wv203

北海Hose connector internal tooth Mini valve