Common Terms(and what they mean)

• S or Slip: A regular hub. The pipe glues into this (same O.D. as coupling)

• Mips: Male pipe threads on the outside of fitting • Fips: Female pipe threads on the inside of fitting • Spigot or SP: The same size as the pipe. Will glue into

another fitting • Hyset: Has a nailing flange on the front of the fitting • Dropear: Has a nailing flange on the back of the fitting • Nominal: Used to describe copper pipe and fittings in

plumbing. Refers to the inside diameter of the pipe which varies by thickness of the pipe. The outside is a constant size and is always 1/8" larger than the nominal size. Example: 1/2" nominal is always 5/8" O.D.

Definition of pipe thread acronyms

• NPTNational Pipe Thread• FPTFemale Pipe Thread• MPTMale Pipe Thread• PTFSAE short tape pipe thread• NPTFAmerican National taper pipe thread for

dryseal pressure-tight joints• NPSMAmerican National straight pipe thread for

mechanical joints• NPSIAmerican National straight intermediate

pipe thread

Nominal Size To OD Size Conversion Table

• O.D. Of Pipe

• 1/4"3/8"1/2"5/8"3/4"7/8"1-1/8"1-3/8"1-5/8"2-1/8“

• Nominal Pipe Size1/8"1/4"3/8"1/2"5/8"3/4"1"1-1/4"1-1/2"2"

PVC CPVC ASB

ABS fitting

Chlorinated Poly Vinyl Chloride (CPVC) Note: Yellowish

Regular 90's - S x S

Reducing 90's - S x S

Threaded 90's - S x Fips

Threaded 90's - Fips x Fips

Street 90's - S x Spigot

Threaded Street 90's - S x Mips

Threaded Street 90's - Fips x Mips

All Street 90's - Spigot x Spigot

Regular 45's - S x S

Unique 11-1/4° Elbow - S x S

Unique 22-1/2° Elbow - S x S

Side Outlet 90's - S x S x S

Side Outlets 90's - S x S x Fips

Regular Tees - S x S x S

Reducing Tees - S x S x S

Threaded Tees - S x S x Fips

Threaded Reducing Tees - S x S x Fips

Threaded Tees - Fips x Fips x Fips

Side Outlet Tees - S x S x S x S

Regular Crosses - S x S x S x S

Regular Wyes - S x S x S

Slip Caps - S

Threaded Caps - Fips

Spigot Slip Plugs

Threaded Pugs

Couplings - S x S

Reducing Couplings - S x S

Threaded Couplings - Fips x Fips

Threaded Reducing Couplings - Fips x Fips

Slip Bushings - Spigot x S

Slip Threaded Bushings - Spigot x Fips

Threaded Bushings - Mips x Fips

Slip Unions - S x S

Pipe Extenders - Spigot x Internal Spigot

Pipe Extenders - Internal Spigot x Internal Spigot

Threaded Extenders (Riser Extensions) - Fips x Mips

Male Hose Adapters

Female Hose Adapters

Vinyl Hose Washers

Slip Barbed Adapters - S x Barb

Female Adapters - S x Fips

Reducing Male Adapters - S x Mips

Reducing Close Nipples

Nipple

Teflon Tape

Flexible PVC Tube

Pipe Saw

PVC Cutters

Pipe Wrench

Strap Wrench

Steel Pipe Cutter