Plumbing Materials

Question 1

NAMPAP

Answer 1

National Master Plumbers’ Association of the Philippines, INC.

Question 2

Red Stripe

Answer 2

Type M Copper (Rigid)

Question 3

Blue Stripe

Answer 3

Type L Copper (Flexible/ Rigid)

Question 4

Green Stripe

Answer 4

Type K Copper

Question 5

Yellow Stripe

Answer 5

Drain Waste Vent Copper

Question 6

Classifications of plumbing materials

Answer 6

Water Service Materials
Water Distribution Materials
Drain, Waste and Vent Pipe
Storm Drainage Materials

Question 7

Water Service Materials

Answer 7

ABS
Asbestos Cement Pipe
Brass Pipe
Cast Iron Pipe
Copper pipe
Galvanized Steel Pipe
PVC
cPVC
PE
Copper Tubing

Question 8

Water Service Material Pressure and Temperature

Answer 8

more than 160 psi and temperature below approx 75 deg C

Question 9

Water Distribution Materials

Answer 9

Brass Pipe
Copper Pipe/ Tubing
Galvanized Steel Pipe
PB

Question 10

Water Distribution Pipe Pressure and Temperature

Answer 10

100 psi and 80 deg C

Question 11

Pressure Reducing Valve

Answer 11

Added to reduce the pressure if it exceed the water distribution pressure of 80 psi

Question 12

Drain Waste and Vent Pipe

Answer 12

ABS
Aluminum Tubing
Borosilicate Glass
PVC
Cast Iron Pipe
Galvanized Steel Pipe
Lead Pipe
Brass Pipe
Copper Pipe

Question 13

Storm Drainage Materials

Answer 13

inside storm drainage
ABS
DWV Copper
Type L Copper
Type M Copper
Type K Copper
Asbestos Cement
CIP
Vitrified Clay
Brass
Galvanized
PVC
Bituminized Fiber
Concrete
Aluminum
Lead
Black Steel

Question 14

Storm Drainage Materials

Answer 14

*Subsoil Drains
Asbestos Cement
Vitrified Clay
CIP
Bituminized Fiber
PVC
PE

Question 15

PVC (Polyvinyl Chloride)

Answer 15

third most widely used product after PE and PPR. PVC is widely used in construction because it is cheap, durable and easy to assemble.

Question 16

UPVC

Answer 16

Unplasticized; for electrical and telephone cables, sewer pipes and potable water supply

Question 17

cPVC

Answer 17

Chlorinated; thermoplastic produced by chlorination of PVC resin; for hot and cold water pipe and industrial liquid handling

Question 18

LDPE

Answer 18

used in sprinkler and drip irrigation systems, drainage systems, laboratories, industrial process lines, agricultural piping, irrigation and many other public utilities.

Question 19

HDPE

Answer 19

used for water main schemes, potable water house connections, sprinkler and drip water irrigation systems, drainage systems, laboratories, industrial process lines, agricultural piping

Question 20

PPR

Answer 20

used in the manufacturing piping systems; concerned with high-purity and designed for strength and rigidity; for potable plumbing, hydronic heating and cooling, and reclaimed water); joined by heat fusion rather than gluing

Question 21

PE-X

Answer 21

Cross-linked Polyethylene; PEX or XLPE; hydronic radiant heating systems, domestic water piping and insulation of high voltage electrical cables; used for gas and offshore oil applications, chemical transportation, and transportation of sewage and slurries

Question 22

PB

Answer 22

used in pressure piping, flexible packaging, water heaters, compounding and hot melt adhesives