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Updated by Jose Camacho​ on Mar 09, 2018
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16 Crucial Components of a Globe Valve

The globe valves have a distinct spherical shape encompassing several moving and stationary parts. Knowing the various parts of a globe valve can help a user to better understand how liquid flows and circulates around the equipment. A user can also maintain and inspect the unit better if he/she knows the parts. Taking this into consideration, the post lists the various components of a globe valve unit.




The valve body is constructed from a cast and forged steels and is also provided with integrally cast bosses upon request.



It is constructed using the same materials as the body.



This is made of cast carbon steel and is connected to the body by clamping rings and bolts



Constructed of stainless steel, this single piece non-rotating is connected to the disk using a bearing ring, a stem retainer, and a disc nut.


Gland Bushing and Flange:

Usually made of carbon steel, these are supplied in two separate self-aligning pieces.


Seat Ring

It is a forged stainless steel construction welded to the body.


Yoke Sleeve

Typically made of cast aluminum bronze, the yoke sleeve is also available in Ni-resist upon request. The assembly is designed in such a way to remove it from the bonnet or yoke while the valve is in service.


Back Seat

The seat allows the valve to be repacked under pressure. This seat has threaded stainless steel construction.



It is typically in a cast construction, which allows easy operation of the valve.


Pressure Seal Gasket

The gasket is bordered on the upper and lower edges of the valve, and has stainless steel construction



It is composed of an adequate number of preformed rings.


Spacer Ring

It is usually made from steel and stainless steel and covers the upper part of the pressure seal gasket.


Gasket Retainer:

This component has four-piece construction, which supports the forces transmitted from the bonnet.


Bonnet Retainer

Machined to match exactly with the body, the assembly helps withstand the forces transmitted by the bonnet screws.


Yoke Clamp

The yoke clamp assures perfect body-yoke connection.



Constructed in forged stainless steel, the disk is linked to stem.

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