Dear All,

I have a full gasket face(extending from flange od to flange id) pad type flange.

the flange will be welded to top torispherical dish with a groove and a fillet weld.(same as nozzle fig: UW-16.1 (c))

the flange is having holes for bolts which are tapped holes.

how much thickness should i left after tapping for bolt holes in the flange?

I am considering design of flange as per Appendix y of ASME section VIII Div:01 or should i prefer taylor forge bulletin 502? (It is not a u stamp job nor strictly ASME sec VIII Div:01)

Please help.
Regards
ASD23789

Dear Friends,

I have a pad type flange with tapped holes for screw.(bolting)

It is having OD : 800mm ID:700mm & full face gasket from ID to OD.

can i design the flange as integral type reverse flange with no provision of hub as per the diagram 2-13.1 in appendix 2?

I will be providing welding on the outside of the flange od as shown in figure UG-40 a-2. is it correct?

Appreciate help.
Regards
ASD23789