Page 130 - Bürkert

Ordering chart
Item no.
Orifice QNn Value Pressure Port connection
[mm] air [l/min] [bar] 024/DC 110-120/DC 220-240/DC Ex i
[2 W] [3 W] [3 W]
3/2-way with NAMUR flange, WWC (pilot operated, output 4 normally vented, output 2 recirculated)
4.0 300 2 - 10 G 1/8” (Connections 1 and 3) 136 761 136 762 136 763 139 224
(at Ex i 2 - 8)
Push-in connection Ø 6 mm (Connections 1 and 3) 136 764 – 136 766 139 402

4/2-way with NAMUR flange, WWG (pilot operated, output 4 normally pressurized, output 2 vented) 5470 NAMUR
4.0 300 2 - 10 G 1/8” (Connections 1 and 3) 136 767 136 768 136 769 139 407 5470 NAMUR Ex i
(at Ex i 2 - 8)
Push-in connection Ø 6 mm (Connections 1 and 3) 136 770 136 771 136 772 139 408
G 1/8” (Connections 1 and 3), NAMUR flange with 136 773 136 774 136 775 –
one-way flow restrictor (Connections 2 and 4)

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