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Description:
850 HU TRUN ASSY

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Tech Specs

Type Value
Connection Size: 8 "
Connection Type: Hammer Union
Body Material: Cast Ductile
NACE MR0175: Option Available
Max Working Pressure: 500 psig
Operation: Mechanical
Catalog Page: 03:50.1
Material Test Report: Included
Additional Features: 11" Lever Bar
Additional Features: 5" long Weldneck included
Additional Features: Includes Hammer Union Nut

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Compatible Kits and Tools

Type Product Code
Repair Kit: REE + ADD TO QUOTE

Frequently Asked Questions

How do I specify the Float size, Float Arm length, and/or Linkage Rod length?

You will need to order the Float and the Float Arm separately. The trunnion includes an 18" linkage rod, but a 24" length can be ordered separately.

Trunnions sense the level inside of a vessel and work in conjunction with a Lever Operated Dump Valve. They are mechanically connected together using the included Linkage Rod. For an in-depth explanation, visit our Liquid Dump Valve Learning Path.

Ideally you want the Linkage Rod perfectly vertical, but it's more important to locate the connections based on the force needed and amount of motion desired.  

On the Trunnion lever, the hole closest to the Trunnion gives the greatest force, but it moves the Linkage Rod the least distance. The hole furthest out moves the Linkage Rod the most but gives the least force.

On the Valve lever, the hole closest to the valve gives you the most motion on the trim but gives the least force to open/close the trim. The furthest hole from the valve gives the most force but requires the lever to travel much farther to open/close the trim.

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