What does SS mean in plumbing?
Stainless Steel
Plumbing and Fire Protection Abbreviations
| AP | Access Panel |
|---|---|
| SD | Sanitary Drain |
| SH or SHWR | Shower |
| SK | Sink |
| SS | Soil Stack or Stainless Steel |
What does DCW mean in plumbing?
Domestic Cold Water (Potable) Cyan. DCWS. Domestic Hot Water (Potable)
Do I need backflow preventer?
Understand that it is always recommended to install a backflow preventer in any situation where incoming water and waste water have a chance of being cross-connected. This serves to protect you and your home, keeping your drinking, bathing, and cleaning water safe.
What does SWP mean in plumbing?
SWP: Surface Water Pipe SWP stands for Surface Water Pipe.
What is CD in plumbing?
W SANITARY WASTE CD CONDENSATE DRAIN CA COMPRESSED AIR V SANITARY VENT OV OIL VENT NPCW NONPOTABLE COLD WATER CW DOMESTIC COLD WATER DOMESTIC HW RECIRCULATION DOMESTIC HOT WATER HW 140 DOMESTIC HOT WATER (OTHER TEMP.)
What is CW in plumbing?
What does CL mean in plumbing?
Abbreviations for Piping Specifications
| API | American Petroleum Institute |
|---|---|
| CL | Class |
| CPLG | Coupling |
| CPVC | Chlorinated Polyvinyl Chloride |
| CR | Chrome |
Are backflow preventers the same as vacuum breakers?
Approved types of Backflow Prevention Assemblies Most backflow preventers fall into one of three classes: the vacuum breaker, the double- check valve, or the reduced-pressure principle valve. Both prevent backflow due to superior pressure, or back pressure on the downstream side of a system, which will overcome the pressure on the supply side.
How to assemble a backflow preventer?
The backflow preventer must be installed with sufficient side and top clearance to provide adequate space for testing and maintenance of the unit. The backflow preventer must be installed at least 12-inches above a floor sink. The assemblies must be tested annually by a certified backflow tester for proper operation.
What is a backflow preventer, backflow valve, backwater valve?
Where a backwater valve is used to describe a device designed to prevent sewer backup, a backflow preventer or backflow prevention device is designed to prevent contamination of a municipality’s potable water supply.
How does the backflow preventer work?
– Your mum’s cane duster (applied to your behind after you backwash into the cup she has shared with you); – Air gap used in plumbing so that water cannot siphon back up a pipe from a sink; – Separate hot and cold taps from the days of hot water tanks – see Why does the UK have hot and cold taps? – Check valves (not approved for portable water)