The BURKERT 20085617 Type 8640 valve unit system is designed to solve diverse and complex control problems due to its systematic modular construction and combination of pneumatic and electrical interfaces. By putting together a row of pneumatic modules with different numbers of valves, 2 to 24 valve functionalities may be realized on one valve unit. Electrical connectivity is achieved by either fieldbus interfaces, common connection (parallel connection technique) or multipin interfaces. The valves allow different applications to be covered. Bodies and connection modules are made of high-quality plastic (polyamide) and are easy to assemble by means of the built-in snap connectors.

Key Features

• Compact design
• Modular configuration
• Higher flexibility in control cabinet due to AirLINE Quick
• Simple exchange of valves (with option “P-shut-off” – also possible during operation)

General Technical Data

Product properties	Type 0460, Type 6524, Type 6525	Type 6526, Type 6527	Type 5470
Body Material	PA (polyamide), aluminium (Type 0460)	PA (polyamide), aluminium	PA (polyamide)
Seal Material	FKM, NBR and PUR	NBR	NBR
Width per station	11 mm	16.5 mm	19 mm
Number of valve slots	Max. 24 (Max. 12 for impulse and double valves)	Max. 24	Max. 24
Pressure range	Vac...10 bar	Vac...10 bar	Vac. 2...10 bar
Operating voltage	24 V DC	24 V DC	24 V DC
Degree of protection	IP20 / IP65 in closed control cabinets	IP20 / IP65 in closed control cabinets	IP20 / IP65 in closed control cabinets
Operating medium	Oil-free or lubricated compressed dry air, neutral gases	Oil-free or lubricated compressed dry air, neutral gases	Oil-free or lubricated compressed dry air, neutral gases

AirLINE Quick

AirLINE Quick considerably reduces the use of components in the control cabinet. With the AirLINE Quick Adapter, the valve terminal is adapted directly to the control cabinet floor or control cabinet wall.

Advantages of AirLINE Quick

• Reduced space requirement in the control cabinet.
• Makes it possible to use more compact control cabinets.
• Reduced installation effort due to hose connections directly at the bottom of the control cabinet.

Product Design and Assembly

Pneumatics 11 mm width per station

No.	Element
1	Pneumatic connection module, left
2	Basic pneumatic modules
3	Pneumatic connection module, right
4	Valves (for example 5/2-way)

Installation

Safety Instructions

• Risk of injury due to high pressure and escaping medium: Switch off the pressure before working on the device or system. Vent or drain the pipes.
• Risk of injury due to electric shock: Switch off voltage before working on the device or system. Secure against reactivation.

Valve Block Installation

1. Standard rail installation: Hook the valve block with the upper groove into the standard rail (35 x 15 or 35 x 7.5 EN 50022). Snap the lower clamping pieces into the standard rail and tighten the screws.
2. Wall installation: Fasten the valve block directly to the wall with M4 screws.