AFRISO 77932 Vessel Connection Combination Instruction Manual
- June 12, 2024
- AFRISO
Table of Contents
AFRISO 77932 Vessel Connection Combination
Instruction for use
Diaphragm safety valve – heating systems – MS
The product complies with the Pressure Equipment Directive (2014/68/EU)
The symbol means:
WARNING
Failure to follow these instructions can result in death, serious injury or
equipment damage.
Application area
This product may only be used to blow off the following fluids from sealed
heating systems (as per
EN 12828) for the purpose of providing protection against excess pressure:
- Water
- Water/glycol mixtures
- Liquids of fluid groups 1 and 2 (Pressure Equipment Directive, Article 9)
Qualification of personnel
Only appropriately trained persons who are familiar with and understand the contents of these mounting instructions and all other pertinent product documentation are authorized to work on and with this product.
Safety
⇒ Verify that the liquid in the system and the application area of the
product are compatible.
⇒ Verify that the nominal pressure of the product corresponds to the
specification value of the system.
Technical data
Housing: . …………………………………. Brass CW617N
Cap colour:…………………………………………………. red
Nominal pressure: ……………….. see printing on cap
Inlet thread: …………………. see embossment on cap
Temperature range: ………………………. -20 … 120 °C
Max. glycol content: .. ……………………………….. 50 %
Mounting
The following prerequisites must be observed before mounting:
- The system has cooled down and is unpressurised.
- The lines of the system have been flushed.
- No shut-off device have been installed between the system and the product.
- Only mount the product after having completed welding work and all soldering work.
- Mount the product in such a way that the liquid can escape via the discharge opening without obstructions.
During discharge, temperatures can be reached which can lead to scalding.
The cross section of the connection line must correspond to the cross section of the inlet of the product.
- The discharge line must have a gradient; its cross section must have at least the same cross section as that of the discharge opening.
- The length of the discharge line must not exceed 2 m; the maximum number of elbows is 2.
For safety reasons, liquid must escape via the discharge line of the safety valve during heating. Do not shut off.
Function test
- Provide a container to collect the liquid of the product.
- Open the product by turning the cap. – Liquid escapes.
- Release the cap. – No water may escape.
Maintenance
Perform a function test every 6 months.
Decommissioning and disposal
Dispose of the product in compliance with all applicable directives, standards and safety regulations.
Returning the device
Get in touch with us before returning your product (service@afriso.de).
Warranty
See our terms and conditions at www.afriso.com or your purchase contract for information on warranty.
Visitwww.afriso.de for further information on this product.
Customer Support
Telefon +49 7135 102-0
Service +49 7135 102-211
Telefax +49 7135 102-147
info@afriso.com
**www.afriso.com