Blind flange have same similar function as plug cap, all of them are used to block off a section of piping system. It is different as the others flanges, there is no hub bore in the center.

Forged steel flange is a disc-shaped piece of equipment used to connect a pipe to fittings valve other component to form a pipework system. Usually flange has been attached to pipe tube end to, then a gasket is inserted in the middle to form a seal. Finally they are joined together with bolts nuts.

ASME B16.5 Standard

This standard covers pressure temperature ratings, materials, dimensions, tolerances, marking, testing methods of designating openings for pipe flanges flanged fittings. Such as weld neck flanges, slip-on flanges, socket weld flanges, threaded flanges, blind flanges, lap joint flanges flangolets.

Specification of Forged Steel Flanges

Class 150 lb Blind Flange Dimensions & Weight Chart

Notes:

1) Weights are based on manufacturer's data are approximate.

2) Flat face flanges may be provided at full thickness, C, with raised face removed (the latter is nonstandard).

3) If you need class 300 ,600 ,900 ,1500 ,2500 flanges,please contact us.