Specialty Items
Specialty items refer to the wide range of non-fitting items and components required for various piping and plumbing systems. Select from the following list of the more common specialty items.
Specialty Item List
| Title | Purpose | Description |
| Air Vents | Vent system | In a drain, waste and vent (DWV) system, air must be allowed to enter the drain pipe to prevent... |
| Ball Joints | Allow deflection or rotation | Ball joints are used for positioning pipe where pipe flexibility is desired, and where rotary or... |
| Dielectric Fittings | Connect unlike pipe materials | When two dissimilar metals are placed in an acidic solution, they will form a battery and... |
| Expansion Joints | Permit expansion & contraction of system | Expansion joints are designed to permit free expansion and contraction, and to prevent excessive... |
| Flexible Connectors | Eliminate vibration | Flexible connectors are installed to absorb noise and vibration, compensate for thermal... |
| Flow Indicators | Indicate flow | Flow indicators tell an operator if fluid is moving through a pipe. Flow indicators alert the... |
| Flow Measuring Devices | Measure flow | Flow-measuring devices are used in a piping system to determine accurate flow rates. Depending... |
| Gauges | Measure temperature, pressure, etc. | Gauges measure water level, discharge, velocity, temperature, pressure or vacuum within a piping... |
| Plumbing Products | Manufacturers and suppliers in this category provide plumbing products for the user, such as... | |
| Pressure Reducing Valves | Maintain constant and reduced pressure | The purpose of a pressure reducing valve (PRV) is to maintain a constant and reduced pressure in... |
| Safety & Safety-Relief Valves | Prevent unsafe pressure conditions | Safety valves (SV) and safety relief valves (SRV) prevent unsafe pressure conditions in air,... |
| Steam Traps | Remove condensate | Steam traps separate and remove accumulated water (condensate) from a steam supply system. They... |
| Strainers & Suction Diffusers | Filter debris | Strainers remove debris from the flow to reduce the risk of damage to equipment such as... |
| Test Plugs | Seal pipe for sectional testing | A test plug is a temporary plumbing fitting, often a rubber plug, which is used to seal off... |
| Thermometers | Measure temperature | Thermometers measure the temperature of air, gas, water, and other liquids and solids.... |
| Vibration Control | Reduce unwanted vibration transmission | Any equipment with moving parts, especially motors, create movement and vibration that must be... |
| Wall/floor Penetration (Sleeves) | Allow pipe to pass through barriers | A pipe penetration, or sleeve, is a pipe which is passed through a wall for the purpose of... |
