The B series includes only round manways (mainly pressure-resistant models with clamp or handwheel closure).

Round manway
BP405 (DN410)
Round manway
BP420-490 (DN427-DN495)
Round manway
B150 (DN154-DN495)
Round manway
B150SC (DN154-DN495)
Round manway
B400 (DN403)
Round manway
B600 (DN606-DN1406)
Round manway
B300PV (DN308-DN608)
Round manway
BC440TD (DN445-DN495)
Round manway
BV430 (DN435)