Pressure switch FF 4 GL

Pressure switch FF 4 GL
instruction manual data sheet

Approved for shipbuilding applications by DNV GL

Pressure switch 2 ... 32 bar, with perbunan diaphragm

High pressure switch 4 ... 60 bar, with plastic plunger

Change-over contact

product description Pressure switch FF 4 GL

Mechaqnical Pressure switch with perbunan diaphragm and pressure connector G 3/8“
Pressure range 0,11... 32 bar
High pressure switch with plastic plunger and stainless steel pressure connector
Pressure range 4...60 bar
Pressure connector: H (G 3/8" Female thread, DIN 1725/2), stainless steel
With a marine-type cable gland and additional grounding clamp as standard
Approved for the use on ships (e.g. starting-air compressors) and Offshore
Ample wiring room
Easy to adjust, upper and lower switch points can be adjusted independently of each other
High repeatability
Easily read scale

 

Pressure switch with perbunan diaphragm

Order
reference

Upper
switch point
adjustable (bar)

 Lower
switch point
adjustable (bar)		 Smallest
diff.*
(bar)		 Max.
operating
pressure (bar)		 Max.
test
pressure (bar)		 Standard
setting
(bar)		 Part No.
FF 4-2 GL DAH 0,11 ... 2 0,04 ... 1,89 0,07   0,11 20 40 0,5 / 1,5 1010122
FF 4-4 GL DAH 0,22 ... 4 0,07 ... 3,75 0,15   0,25 24 40 1 / 3 1010020
FF 4-8 GL DAH 0,5 ... 8 0,2 ... 7,5 0,3   0,5 30 40 2 / 6 1010031
FF 4-16 GL DAH 1 ... 16 0,4 ... 15 0,6   1 36 48 4 / 12 1010117
FF 4-32 GL DAH 2 ... 32 0,8 ... 30 1,2   2 52 64 10 / 20 1010026
          * at lower ... higher end of range


High pressure switch with plastic plunger

Order
reference

Upper
switch point
adjustable (bar)

 Lower
switch point
adjustable (bar)		 Smallest
diff.*
(bar)		 Max.
operating
pressure (bar)		 Max.
test
pressure (bar)		 Standard
setting
(bar)		 Part No.
FF 4-60 GL PAH 8 ... 60 4 ... 52 4  8 100 120 20 / 40 1010088
FF 4-120 GL PAH
16 ... 120 8 ... 104 8  16 200 240 20 / 80  
FF 4-250 GL PAH 30 ... 250 14 ... 226 12   24 400 500 100 / 200  
          * at lower ... higher end of range

 

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