Valve casing for use in a butterfly valve

Details Valve casing for use in a butterfly valve Valve casing for use in a butterfly valve

F - Mech Eng,Light,Heat,Weapons

16

K

251/27

F16K 27/00 (2006.01) F16K 1/22 (2006.01)

Patent

CA 1250273

ABSTRACT OF THE DISCLOSURE This invention is intended to solve the problem that a valve casing for use in a butterfly valve formed by press working, which is advantageous from the standpoint of productivity, thickness and weight, has a serious dis- advantages such as breakage or deformation, lowering in sealing performance: due to releasing of the seal ring with ageing when the valve is mounted on pipe line and clamped from both sides. A valve casing according to this invention has a double structure composed of an inner shell and an outer shell. The inner shell comprises a cylindrical part defining a bore- and seal-ring receiving portions formed on both ends with diameters larger than the cylindrical part, substantially forming a S-shape in section. The outer shell surrounds the inner shell to define a space. The inner shell and the outer shell are attached to each other at both ends of the valve casing. - 18 -

514794

Affiliated with

Also associated with

Rating

Valve casing for use in a butterfly valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Valve casing for use in a butterfly valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Valve casing for use in a butterfly valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1202426