Introduction; Safety Guidelines; Definition Of Terms; Purpose Of Use - aquasant SQV Série Mode D'emploi

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Type SQV11/*
Dosage

1 Introduction

These instructions are intended to assist the user of Aquasant® Series SQV® Silicone tubing pinch valves with
the installation, operation and maintenance of the fittings. In accordance with the current state of the art and
recognized safety regulations, this product is intended exclusively for normal use in the process of squeezing the
hose for dosing. Unauthorized modifications to the product exclude any liability of the manufacturer for any
resulting damage thereof. The relevant accident prevention regulations as well as the other generally recognized
safety, occupational medicine and construction engineering rules must be observed.

2 Safety guidelines

The safety instructions do not take into account:
 contingencies and events that may occur during installation, operation and maintenance.
 the local safety regulations, which the operator is responsible for complying with - also on the part of
the installation personnel called in.
The installation and assembly instructions contain basic safety instructions that must be followed during
commissioning, operation and maintenance.
Non-observance can result in
 danger to people through electrical, mechanical and chemical effects.
 danger to systems in the vicinity.
 failure of important functions.
 danger to the environment through leakage of hazardous substances.
This product is a component of the plant and must therefore be integrated into the plant safety system.

2.1 Definition of terms

Operating medium: Medium that flows through the silicone tubing
Control medium: Medium with which the piston valve is actuated and operated by increasing or decreasing
pressure.
Control function: Possible actuation functions of the pinching valve.

2.2 Purpose of use

The tubing pinch valve SQV® is to be used exclusively for silicone hoses according to the valve specification.
Peroxide cross-linked silicone tubes are especially suitable for the long-lasting use. The silicone hose must not
be loaded > 1 bar except with cross-linked hoses with specially designed SQV* KV2 types.

2.3 Compressed air connection

Only hoses 6/4 mm specially approved for compressed air may be used with the appropriate fittings or push-in.
However, in any approved materials depending on the intended use. Warning: Tighten to optimum torque 7-9
Nm for screwing the female thread. If the torque is too low, this can lead to connection loosening and leakage.
The maximum permissible pressure PS = 10 bar. The max. permissible working temperature range TS = +5..50
°C.
For cleaning purposes, however, only E types (EPDM seals) which are out of service are permitted for
sterilization at 125 °C. However, the compressed air access must be closed.
The volume of the pressure chamber depends on the valve size and type (<0.01dl) and can be seen under the
technical data.
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Sqv 11

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