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pump body of PPH - Progalva

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ANTIFREEZE SOLUTIONS FOR HEATING PLANTS<br />

> Net Gel Sanit<br />

Description:<br />

NET GEL SANIT is an antifreezing agent on monopropylene-glycol basis and corrosion inhibitory agents, used in<br />

central heating circuits with or without warm-water preparation.<br />

Physical and chemical properties:<br />

- Red fluid.<br />

- Density 1,045.<br />

- PH-value: 8,5 – 9.<br />

- Non toxic.<br />

Usage mode:<br />

According to the following table :<br />

Concentration % Density at 20˚C Protection at ˚C<br />

50 1,033 -34<br />

40 1,027 -22<br />

30 1,020 -15<br />

Determining the quantity <strong>of</strong> NET GEL SANIT to be injected:<br />

- By evaluating the capacity <strong>of</strong> the installation to be protected<br />

- By determinating the protection temperature (see table no.1)<br />

Cleaning the installation:<br />

- It is recommended to previously clean the installation.<br />

- If mud or oxides are present they must be removed previous to using antifreezing agents.<br />

- Even when none <strong>of</strong> the above-mentioned substances exist, a complete evacuation and rinsing before NET GEL<br />

SANIT usage is necessary.<br />

Introduction <strong>of</strong> NET GEL SANIT in the pipes by 2 methods:<br />

1 - Filling procedure: Net Gel will be introduced through the highest installation point, for many times , in order to<br />

obtain a homogenous composition.<br />

2 - A mixture <strong>of</strong> water and antifreezing agent can also be used, mixing them in a tub to have it homogenous, the<br />

mixture will then be introduced with an injection <strong>pump</strong> through an evacuation point or a valve.<br />

Quality check for the antifreezing agent mixture:<br />

- Control will be done every 2 years.<br />

- Concentration <strong>of</strong> antifreezing agent: density (see table above).<br />

- Anticorrosive concentration.<br />

Recommendation:<br />

An efficient dosis <strong>of</strong> antifreezing solution is determinated beginning from a concentration <strong>of</strong> minimum 30% for<br />

obtaining a better balance between inhibitory and alkaline reserves .<br />

Reservation:<br />

Exclusive pr<strong>of</strong>essional usage. See security data sheet.<br />

Packaging:<br />

20 l and 200 l can.<br />

User recommendation:<br />

Product for pr<strong>of</strong>essional usage according to instructions. We do not assume any responsibility in case <strong>of</strong> inexpediently<br />

use <strong>of</strong> the product.<br />

3

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