Chemtrol
Chemtrol 6551-H 112 Flange 1 1/2 In Socket 1360 PSI
A 1 1/2-inch Schedule 80 PVDF socket flange rated for 150 psi at 73 to 280 degrees F
- 1 1/2 in nominal pipe size fits standard Schedule 80 piping
- Socket connection enables direct solvent-weld installation
- Polyvinylidene construction resists chemicals from 73 to 280 degrees F
- Four bolt holes on 3 7/8 in bolt circle simplify alignment
- 150 psi maximum operating pressure at 73 degrees F
Chemtrol 6551-H 112 Flange Specifications
This Chemtrol flange is a Schedule 80 polyvinylidene fitting designed for 1 1/2 inch nominal pipe size. It uses a socket connection method and carries a Class 150 rating with four bolt holes. The component suits industrial piping systems requiring chemical resistance and a 150 psi maximum operating pressure at 73 degrees Fahrenheit.
Socket Connection and Pressure Class
The socket joint replaces threaded or flanged connections where a smooth bore and solvent-weld installation are preferred. Upgrading to this fitting is worth it when the system demands Schedule 80 wall thickness and a 3 7/8 inch bolt circle diameter that matches existing 150 psi class flanges. It is not for lines needing a higher pressure class or a different bolt-hole pattern.
Temperature Range and Material Headroom
Polyvinylidene construction handles continuous service from 73 to 280 degrees Fahrenheit while maintaining the rated 150 psi pressure. The flange provides headroom for hot chemical process lines up to the 280 degree limit. It runs out of headroom above that temperature or when system pressure exceeds the Class 150 designation.
Highlights
- 1 1/2 in nominal pipe size fits standard Schedule 80 piping
- Socket connection enables direct solvent-weld installation
- Polyvinylidene construction resists chemicals from 73 to 280 degrees F
- Four bolt holes on 3 7/8 in bolt circle simplify alignment
- 150 psi maximum operating pressure at 73 degrees F
Specifications
| Brand | CHEMTROL |
|---|
Questions about this item
Will the 5 in flange outside diameter and 3 7/8 in bolt circle match my existing Schedule 80 piping?
The flange has a 5 in outside diameter and a 3 7/8 in bolt circle with four 5/8 in bolt holes, designed for Schedule 80 pipe.
How do I solvent-weld the 1 1/2 in socket without leaks?
Clean and dry both socket and pipe, apply CPVC cement to both surfaces, insert fully with a quarter turn, and hold until the joint sets.
When should I plan to replace the Polyvinylidene flange given the 73 to 280 Degrees F range?
Inspect annually; replace if you see cracking, discoloration, or if the system regularly operates near the 280 Degrees F upper limit.
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