Use for all types of liquid level verification; available with 1/2″ & 3/4″ NPT male pipe connections.
Aluminum or plastic composition hand wheels; EPDM gauge glass gaskets standard.
Automatic ball checks (21-250 Series) help prevent the loss of fluids should the glass be broken.
- Automatic ball checks standard on 21-250 models
- 1-3/4″ Shank
- Standard 1/4″ needle drain valve in lower arm
- 200 psig @ 400°F, 400 psig @ 100°F, With 1-3/4″ Shank
- Ball Checks standard with 21-250 Series
Formula to determine glass and rod lengths below:
- Glass Length: (Center to Center distance of connections to vessel) – 1-1/4″
- Rod Length: (Glass Length longer than center to center dimension of vessel) + 2″