Burkert 8691 - 5 Product Description; Structure; Structure, Integrated Pilot Air Duct (21 Xx, Element); Structure, External Pilot Air Duct (20 Xx, Classic)

12
Product description
5 PRODUCT DESCRIPTION
5.1 Structure
Themodulardesignofthedevicesupportsvariouscongurationsandvariants.
Electrical connection:
circular plug-in connector
Exhaust air port, label: 3
Pressure limiting valve
Pilot air port, label: 1
Pilot valve LED
View without transparent cap:
Display device status:
high-power LEDs
Fastening screw
Status LED
Figure 1: Structure
5.1.1 Structure, integrated pilot air duct (21xx, Element)
The structure with integrated pilot air duct is optimized for mounting on process valves of the 21xx series
(Element).
Transparent cap
Body casing
Airintakelter
Fastening screw
Basic housing
Figure 2: Structure, integrated pilot air duct
5.1.2 Structure, external pilot air duct (20xx, Classic)
The structure with external pilot air duct is optimized for mounting on process valves of the 20xx series (Classic).
Transparent cap
Body casing
Airintakelter
Fastening screw
Basic housing
Pilot air outlet 2-1
Pilot air outlet 2-2
Figure 3: Structure, external pilot air duct
Sothatthepilotaircanbeexternallyconnectedtotheactuator,thisstructurehasadierentbasichousing..
english
Type 8691, Rev. 2