Circuit Functions; Conversion Of 4/2 To A 3/2-Way Valve - Burkert 8640 Operating Instructions Manual

Structure and description
5.3

Circuit functions

C, 3/2-way valve
2(A)
12
In rest position, pressure port 1 (P/NC)
closed, working port 2 (A/OUT) open
1(P) 3(R)
after port 3 (R/NO).
D, 3/2-way valve
2(B)
10
In rest position, pressure port 1 (P/NO)
ope after working port 2 (B/OUT), port
1(P) 3(R)
3 (R/NC) closed.
G, 4/2-way valve
2(B) 4(A)
14
In rest position, pressure port 1 (P) open
12
after working port 2 (A), working port 4
1(P) 3(R)
(B) open after outlet, outlet 3 (R).
Type 5470
5.4

Conversion of 4/2 to a 3/2-way valve

Fig. 3: Conversion of 4/2 to a 3/2-way valve
→ To convert the 4/2-way valve to a 3/2-way valve, depending
on the desired circuit function, close port 2 or port 4 with a
stopper.
Port 2 Port 4
closed open
open closed
English
Circuit function
C
2(A)
12
1(P) 3(R)
D
2(B)
10
1(P) 3(R)
9