Why is there no flow through the valve?

a. The valves may be closed 

To do:

1. Open the valves slowly to avoid water hammer. Water hammer can lead to fluid discharge causing burns or injury.

 

Why is the flow from the valve poor?

a. The valves are maybe not open enough

To do:

1. Open the valves slowly to avoid water hammer. Water hammer can lead to fluid discharge causing burns or injury.

b. The pipeline can be clogged

To do:

1. Check the pipeline

Why is it so difficult operating the handwheel?

a.The stem can be dry

To do:

1. You need to grease the stem with FDA approved grease

b. The gland is overtightened

To do:

1. Slightly slacken gland nut

What do I do with a stem leakage?

a. The Bellows are damaged

To do:

1. You must tighten the gland until leakage stops
2. Replace the upper part of the valve as soon as possible

What do I do with a seat leakage?

a. This can be caused by an incorrect shut off

To do:

1. Tighten the handwheel without using any auxiliary tools

b. There can be a seat or disc damage

To do:

1. The valve would need to be replaced

c. The pressure difference is to great

To do:

1. Apply valve with balancing disc.
2. Check if the valve was installed according to direction of arrow marked on the valve

d. The steam can be polluted with solid particles

To do:

1. You need to clean the valve

What to do with a broken connecting flange?

a. The bolts are not tightened evenly

To do:

1. The valve would need to be replaced