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What is valve body and trim?

What is valve body and trim?

The internal parts of the valve body, stem, seating material, package, disc, plug, back rings, etc., are collectively referred to as the trim. The valve body, a bonnet that comes in contact with process liquids is not considered as trims.

What is trim material of gate valve?

The removable and replaceable valve internal parts that come in contact with the flow medium are collectively termed as Valve trim. These parts include valve seat(s), disc, glands, spacers, guides, bushings, and internal springs. Trim materials may or may not be the same material as the valve body or bonnet.

How often should you exercise valves?

Experts recommend exercising a system’s valves annually if possible, or at least once every two years. Some valves will need to have a different schedule then others based on their location or unusual operating conditions.

What is valve trim size?

Kimray low pressure valves and regulators come with 2 trim options—full port or reduced port—and might be too big for the small flow rates. Kimray 2” stem-guided high pressure control valves come with 9 trim options ranging from ¼” up to 1”. Our 1” stem-guided valve trim options range from 1/8” – ½”.

What makes up the trim of a control valve?

The internal parts of the valve body, stem, seating material, package, disc, plug, back rings, etc., are collectively referred to as the trim. In other words, all wetted parts which can be removable and replaceable in the valve body are part of the control valve trim.

What kind of trim does a valve seat need?

Disc, valve seat, and stem are common for all the valve. Valve Trim components will change with types of valve. Valve specific trim includes back seat, glands, spacers, guides, bushings, retaining pins and internal springs. Here in the image, you can see the gate valve trim parts.

What do you need to know about gate valve trim?

Valve specific trim includes back seat, glands, spacers, guides, bushings, retaining pins and internal springs. Here in the image, you can see the gate valve trim parts. Because of the trim parts, disk movement and flow control are possible. The disc is the part that allows, throttles or stops fluid flow depending on its position.

What are the parts of a ball valve?

A ball valve is a rotational motion valve that uses a ball-shaped disk to stop or start fluid flow.

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