Hide 1 Alu.DN – Inch

40 - 1 1/2" 50 - 2" 65 - 2 1/2" 80 - 3" 100 - 4" 125 - 5" 150 - 6" 200 - 8" 250 - 10" 300 - 12"

A (mm) 175 228 250 274 316 386 460 533 680 800

B (mm) 120 140 160 200 220 250 285 343 406 460

a (mm) 131 180 190 212 239 292 358 400 510 585

D Flange connection acc. to any standard.

Weight (kg) 2 3 3,5 4 6 11 18 30 44 77

Heating (Watt) 75 75 75 75 75 120 120 180 180 180

Max inlet speed m/s1) 27 23 20 26 21 24 22 21 22 22

Inlet air flow in m3/h1) 122 162 238 470 594 1060 1400 2375 3888 5598

Max inlet speed m/s2) 28 26 20 30 21 25 22 23 21 22

Inlet air flow in m3/h1) 127 184 239 543 594 1104 1400 2601 3711 5598

HIDE 1 ALUMINUMon-deck

The most commonly used air vent head for ships. Made for installation outsideon-deck. Ventilating all tanks on board for cargo, ballast water, wastewater,fresh water, lubricating oil, fuel oil, etc. Prevents water from entering the tanks.

Options: � Flame-/Bug-/Rat- sceen � Heating /Winterization � With mud chamber. Prevents mud from entering the valve

(See Mud Chamber) � Connection alternatives: Flanged, threaded or with weld butt � Coating � Other materials: Hot dip galvanized steel, stainless etc. � For pressure drop and flow rate, visit our web page � HIDE valves are approved by all the most common classification

societies � For pressure drop and flow rate, visit our web page www.gjerde.com

Aa

B

D

Performance, weight and size

1) No screen 2) With screen

6 JOHN GJERDE BROCHURE 2016

0

500

1000

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0 100 200 300 400 500 600 700

Pres

sure

dro

p m

mW

G

Flow rate (m3/h)

DN100 no flame screen

DN125 no flame screenDN150 no flame screen

DN200 no flame screen

Dn250 no flame screen

Dn300 no flame screen

-

500

1 000

1 500

2 000

2 500

3 000

0 10 20 30 40 50 60 70 80 90 100

Pres

sure

dro

p m

mW

G

Flow rate (m3/h)

DN40 no flame screen

DN50 no flame screen

DN65 no flame screen

DN80 no flame screen

DN100 no flame screenDN125 no flame screen

0

500

1000

1500

2000

2500

3000

0 100 200 300 400 500 600

Pres

sure

dro

p m

mW

G

Flow rate (m3/h)

DN100 with flame screenDN125 with flame screenDN150 with flame screenDN200 with flame screenDn250 with flame screenDn300 with flame screen

0

500

1000

1500

2000

2500

3000

0 10 20 30 40 50 60 70 80 90 100

Pres

sure

dro

p m

mW

G

Flow rate (m3/h)

DN40 with flame screenDN50 with flame screenDN65 with flame screenDN80 with flame screenDN100 with flame screenDN125 with flame screen