Index revision : I - November 2018
6
6243
4. Operation
• In idle mode the
Mini
pneumovalve is closed. The piston spring
5
pushes against the piston
6
secured to the shaft
8
(or
14
) which opens the needle
11
(or
16
) for outlet to the
application
12
. Product arriving at
1
cannot flow to
12
.
• With the 3-way pneumovalve, the product flows via the return
15
.
• When the control air is pressurized, the piston
6
compresses the spring
5
driving the shaft
8
(or
14
) and the needle
11
(or
16
). The product can then flow to
12
.
• With the 3-way pneumovalve, the return
15
is closed by the rear end of the needle
16
.
• The shaft
8
(or
14
) is sealed from the air or product by gaskets
3
and a tapered seal
2
. The
gaskets are compressed by the stuffing box spring
9
.
• A venting hole between these gaskets allows easy detection of a seal break so that mixing
of the two fluids can be avoided.
Remarks
: For the operation of the pneumovalves (P/N # 910007742, 910008070),
5. Installation
5.1. MINI Pneumovalve G (2-way)
This pneumovalve is secured by 2 screws to a base plate (for 2 or 3 pneumovalves) or a
manifold (for 5, 8 or X pneumovalves).
For special use it can be secured to base plates with
RS
outlets (see below).
5.2. RS MINI Pneumovalves (2- or 3-way)
This pneumovalve is secured to the front of the atomizer via an RS outlet base plate, in axial,
lateral or offset configuration (see figure) by means of 2 screws.
1
10
16
13
12
8
7
6
5
4
3
2
12
15
1
12
1
14
9
11
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