G Weight in grams
SDR Standard Dimension Ratio
BAR Metric Unit of Pressure
C Celsius
F Fahrenheit
IPS Iron Pipe Size
DWV Drain, Waste & Vent
NSF International The Public Health and Safety Organization
EPT Electrical plastic tubing
EPC Electrical Plastic Conduit
EB Encased Burial (in Concrete)
DB Direct Burial (without encasement in concrete)
HVAC Heating, Ventilation & Air conditioning
IN inch
MM millimeter
S/J Solvent Joint
R/J Rubber Joint
ANSI American National Standards Institute
ASTM American Society for Testing and Materials
ISO International Standardization Organization
DIN Deutsche Industrie-Normen
NEMA National Electrical Manufacturers Association
BS British Standard
SASO Saudi Standards, Metrology, and Quality Organization
UL Underwriters Laboratories Inc.
SABIC Saudi Arabian Basic Industries Corporation
ABS Acrylonitrile Butadien Styrene
PVC Poly vinyl Chloride
U-PVC Un-plasticized Poly vinyl Chloride
C-PVC Chlorinated Poly vinyl Chloride
PP Polypropylene, heat stabilized
PP-N Polypropylene, Random copolymer unpigmented
PE Polyethylene
PN Nominal pressure at 20°C, water