Oxygen Solubility, Tubing and Oxygen Consumption Estimates

Length of Tubing per Waterloo Emitter™

1.8" (45.77 mm) dia.

62 ft. (18.9 m)

3/8" NPTF

3.8" (96.5 mm) dia.

75 ft. (22.9 m)

1/2" NPTM

5.8" (147 mm) dia.

150 ft (45.7 m)

1 1/4" NPTM

Waterloo Emitter Tubing Specs

Diffusion Coefficient (silicone)

6.7E-07 cm²/s

Diffusion Coefficient (LDPE)

1.73E-08 cm²/s

Waterloo Emitter Equipped with Silicone Tubing
Volume consumed (L/day/Emitter)

P (psi) (regulator)

1.8" x 51"
(45.7 mm x 1.3 m)
Emitter

3.8" x 51"
(96.5 mm x 1.3 m)
Emitter

5.8" x 51"
(147 mm x 1.3 m)
Emitter

5

1.68

2.07

4.14

10

2.11

2.59

5.19

15

2.53

3.12

6.24

20

2.96

3.64

7.29

Waterloo Emitter Equipped with LDPE Tubing
Volume consumed (L/day/Emitter)

P (psi) (regulator)

3.8" x 51"
(96.5 mm x 1.3 m)
Emitter

5.8" x 51"
(147 mm x 1.3 m)
Emitter

60

0.20

0.41

70

0.23

0.46

80

0.26

0.52

90

0.28

0.57

100

0.31

0.62

Typical Oxygen Tank Size

Old Spec.

New Spec.

Tank Size

Max Volume (litres)

B

M6

3" x 12"
(76.2 mm x 305 mm)

164

C

M9

4"x 11"
(102 mm x 280 mm)

248

D

M15

4.5" x 16"
(114 mm x 406 mm)

400

E

M22

4.5" x 25"
(114 mm x 635 mm)

680

G

M60

7.5" x 23"
(191 mm x 584 mm)

1725

H

8" x 51"
(203 mm x 1.3 m)

6500

K

9" x 60"
(229 mm x 1.5 m)

8720