Master Plumber terms

national master plumbers association of the philippines

NAMPAP

shut off valve

a gate valve normally used to shut off flow of water from supply pipe

key cock

a faucet normally turned 90 degrees to open or close

indirect system

overhead tank water distribution system is a _____ system

jack pump

pump normally used for farm purposes

centrifugal rotary

pumps with turbines

building design

occupants

heating capacity

things to consider when sizing the hot water tank

4"?

minimum house drain diameter

.5

pipe sleeves must be ___ x the size of a pipe they protect

lead

cleanout plugs must be made of

2

minimum " for underground drainage pipe

100

temperature needed to be considered hot water ___ C

bedpen washer

aka clinical sink

2

minimum water service connections for hospital

backflow prevention device

sillcocks require a ____

private water source

a well is considered mostly as a ____

6

maximum distance in ft a 2 in trap from its vent

.02

maximum allowable % for soldered connections with lead pipe joints

8

maximum allowable % for soldered connections with lead

12

minimum ' clearance infront of a cleanout

10

minimum ' clearance from a terminal and a window opening in a building

6

maximum pipe side diameter not needing an effing manhole

1"

recommended size of MWSS for service pipe in 2 storey residential

3/4

minimum water supply size for flush valve urinal

1

minimum water supply pipe diameter size " for flushometer valve water closet

1/2

minimum water supply pipe diameter size " for water closet without flushometer valve

potability

first steps in selecting water source

residence

class 1 type occupancy water supply

restricted use

class 2 type occupancy water supply

unrestricted use

class 3 type occupancy water supply

permanent temporary

what makes up total hardness

greensand filtraiton

treatment of wells for acidity

marblestone filtration

treatment for waste water

whitesand filtration

treatment for swimming pool treatment

algae

cause of objectionable tastes and odor of water

service pipe

pipe from the street water main to the building served

GV WM CV

order of valves for water connection

building supply pipe

pipe carrying potable water from the water meter to a building or other point of use or distribution

fixture supply

water supply pipe connecting the fixture with the fixture branch

unit vent

vent installed so that one vent pipe serves two traps

circuit vent

a group vent which starts infront of the extreme fixture connection on a horizontal branch and connects to the vent stack

looped vent

vent used for islands and lavatories away from the wall and vent branch

pump circuit system

system used to produce a more efficient circulation of hot water to the upper floor levels of a multi storey building

circulation of hot water by means of mechanical device

zdownfeed & gravity return system

system of where hot water rises on the the highest point of the plumbing system and travels to the fixture via gravity

relief vent

A vent to relieve the pressure ahead of moving effluent in a horizontal fixture branch.

yoke vent

A pipe CONNECTING UPWARD from a soil or waste stack to a vent stack for the purpose of preventing pressure changes in the stack

5

yoke vent is required for every ___ floors

.6

house sewer is part of the plumbing system which extends ____ m from the foundation of the wall of the building

invert

lowest part of the inside face of any pipe

crown

highest part of the inside face of any pipe

spring line

the midpoint level of a pipe

clevice

pipe hanger for pipes with pressure

shape: ---o---

bending pin

tool used for straightening or bending lead pipe

tailpiece

pipe or tubing that connects the outlet of a plumbing fixture to a trap

slip joint

adjustable tubing connection consisting of a compression nut, friction ring, and compression washer

building subdrain

that portion of an underground system, which cannot drain by

gravity into the building sewer

subsoil drain

an underground drainpipe that receives only sub-surface or seepage water and convey it to a sump for disposal by gravity flow or by lift pump

15

cleanout is required every ____m run of pipes

upper terminal

each horizontal drainage pipe shall be provided a cleanout at its ____

1.5

pipe runs that don't need a cleanout

135

additional cleanout is to be provided for every line of pipe exceed ____ in angle

after

cleanouts shall be provided ____ interceptors

305

clearance needed in front of a 51mm or less cleanout

450

clearance needed in front of a >51mm cleanout

750

clearance of underfloor cleanout to the nearest well

450

clearance of an underfloor cleanout to the upper slab

countersunk

type of cleanout installed where raised heads may cause hazard to uisers or vehicles

9.79 kpa

difference in pressure per meter of elevation

6.895

______ kpa = 1 psi

french drain

a covering for trench normally used for provincial cities using the curb and gutter

200

minimum mm for gutter

1:3

ratio of allowable offsets

2"

minimum depth of floor drain outlet to crown of drain pipe

3

maximum number of water closets for one horizontal 3" soil pipe

4

maximum number of water closets for one vertical 3" soil pipe

largest building sewer

minimum aggregate cross sectional area of all venting pipes

152

minimum mm of vent vertical rise from flood level rim of fixtures

union

union

designed to allow quick and convenient disconnection of pipes for maintenance or fixture replacement

neoprene rubber compression gasket

used on CIPs using a compression joint

o-ring

used on CIPs with hubless joint

threaded joints

joinery used for galvanized iron, steel, and plastic pipes

male threads

pipe joint material should be applied on

soldering nipple or caulking ferrule

joints between lead pip and cast iron or wrought iron shall be of ____

standard flare

2 types of compression fittings

cement mortar joint

joinery used in concrete pipes

burned lead joint

used for lead jointery

neoprene rubber rings + coupling of same material

used in asbestos cement sewer pipe joint

flange joint

joint consisting of 2 companion flanges bolted together and made leak proof by means of a gasket

heat fusion joint

joint used on thermoplastic pipes where both pieces are simultaneously heat and pressed together

flange joint

lNl

weld

--xNx--

screw

-N-

soldered

-oNo-

6"

diameter of pipe conveying main to house supply

lead cadmium arsenic

common harmful substances normally contained in pipe material

polyethylene pipe

galvanized steel or iron

traditional piping material

lead cadmium arsenic

most probable contaminants infused in piping material`

galvanized steel or iron

material used in traditional piping