These  valves are ideal for the following applications:  water parks, fountains, aquariums, light-duty chemical and waste water.

This system is intended for pressure applications where the operating temperature will not exceed 140°F, and work pressure is 1.0 MPa (PN10)

Specification:  

True union valves have a carrier that can be removed from the piping system when needed. This allows you to repair or replace the carrier without completely disassembling the system, saving time and money.

PVC flanges shall be manufactured from virgid PVC(polyvinyl chloride) vinyl 

These discs create a tight seal when pressing two surfaces together using bolts, clamps, edges or a compressive force.