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Valves

Product catalog summary

Specifications:
The document outlines specifications for different types of valves (TS20, TS22, TS22+, TS25) used in cold rooms. The thickness of panels for mounting these valves ranges from 60 mm to 220 mm. The average air debit varies from 8 m3/h to 30 m3/h, and the threshold of release pressure ranges from 0 Pa to 100 Pa.

Procedures:
Pressure compensation valves are designed to manage slow and low amplitude pressure variations, such as those caused by air pressure, humidity, or temperature changes. They are not suitable for sudden or exceptional pressure changes, which can cause structural damage. Customers must take measures to mitigate these risks, and the commissioning of cold rooms with valves must comply with DTU 45.1 NFP 75-401-1 standards.

Recommendations:
Valves should be installed where pressure variations are most regular, away from fans and corners. Specific installation instructions are provided for each valve type, including power requirements and mounting conditions.

Valve Details:

TS20: Suitable for small cells, with an average debit of 8 m3/h and power of 8 W under 230 V. Mounting is only on vertical panels with a maximum thickness of 130 mm.
TS25: Watertight with heating cane anti-icing, average debit of 30 m3/h, and heating strip power of 40 W under 230 V. Mounting is on vertical panels with a maximum thickness of 220 mm. It can be modified to TS 25 P for ceiling mounting.
TS22 and TS22+: Airtight with waterproof lids, average debit of 15 m3/h, and power of 16 W under 230 V. TS22 is for vertical and ceiling panels of 60 to 120 mm thickness, while TS22+ is for vertical panels of 150 mm thickness.

Additional Information:
The document is non-contractual, and Dagard reserves the right to modify prices without notice. Further documentation is available on their website.

Catalog excerpts

Pressure compensation valves are used to offset the variations of slow pressures and of low amplitude (air pressure variations, hygrometry or temperature variations). They are not designed to absorb sudden or exceptional variations. Important variations can take place : • when the enclosure is rst put into service or when the cold is The best location for restarted After prolonged opening of doors valves is where pressure • on defrosting variation are the Most • at cold restart after defrosting Variations such as those create a shock wave likely to bring regular. It is advisable to about damage even so far as to cause the collapse of walls move them away from or ceiling. fans and angles. Those phenomena are induced by the running and/or design of refrigerating facilities. It is incumbent on the customer to take appropriate measures to reduce those risks. The conditions for the commissioning of cold rooms equipped with valves must comply with instructions set out in DTU 45.1 NFP 75-401-1. TS 20 valves for small cell : • average debit : 8 m3/h, • power : 8 W under 230 V, • mounting only on vertical panel of maximum thickness 130 mm TS 22 and TS 22+ valves airtight, in waterproof lids : • average debit : 15 m3/h, • power : 16 W under 230 V, • TS 22 is mounted on vertical and ceiling panel of thickness 60 to 120 mm • TS 22+ is mounted on vertical panel of thickness 150 mm • Threshold of release 20 Pa TS 25 watertight valves with heating cane anti-icing : • average debit : 30 m3/h, • heating strip power : 40 W under 230 V, • mounting only on vertical panel of maximum thickness 220 mm • Threshold of release 100 Pa This valve can be transformed into type TS 25 P by a simple modication (transfer of spring blades) to mount it in the ceiling. most economic solution

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Documentation available on www.dagard.com Your distributor Route du stade - 23600 Boussac - France - tél.+33(0)555.82.40.00 - fax. +33(0)555.65.18.54 [email protected] - www.dagard.com DAC-0002-E/B Non-contractual document. Dagard reserves the right to modify its prices without prior notice.

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