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Soupapes valves

Soupapes valves
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Soupapes valves

Product catalog summary
Functionality: The document outlines the functionality of FERMOD patented valves, which are used in cold rooms to balance internal and external pressures. These valves are crucial in preventing structural damage caused by pressure variations due to temperature changes and atmospheric conditions.
Internal Pressures: Internal pressure changes occur from activities such as defrosting, loading goods, and door openings. These activities can lead to air warming and overpressure or cooling and underpressure. A temperature change of 1°C can result in a pressure change of approximately 40 mm water column, equivalent to 40 kg/m².
External Pressures: Changes in atmospheric pressure due to weather conditions can similarly affect the cold room walls, akin to internal pressures.
Valve Specifications: The document details various valve models, including those equipped with heating cords for negative temperatures down to -30°C and those without for positive temperatures. The valves are designed for wall or ceiling mounting with varying frame thicknesses.
Valve Description: The valves are mechanically operated with airtight mobile flaps and a return spring. They are constructed from composite materials resistant to cleaning agents and include a heating element with a continuous power of 8W.
Installation and Calculation: Formulas are provided to calculate the number of valves needed based on room volume, temperature variation, and time. The document references standards such as DTU 45.1 for pressure limits.
Product References: Specific product references are included for different valve models, detailing their mounting options and applicable temperature ranges.
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Catalog excerpts

Soupapes valves-2

SANS SOUPAPE AVEC SOUPAPE WITH VALVE WITHOUT VALVE FONCTION Les parois d’une chambre froide sont périodiquement soumises à des efforts suite aux différences de pression d’air, soit de l’intérieur, soit de l’extérieur. Les SOUPAPES FERMOD brevetées permettent par une mise à l’air libre d’équilibrer les pressions intérieures et extérieures. PRESSIONS INTERIEURES Le dégivrage des évaporateurs, l’entrée des marchandises, l’ouverture prolongée des portes, provoquent un RECHAUFFEMENT de l’air, d’où SURPRESSION et risque d’ouverture brutale des portes ou déformation des parois. De même, le REFROIDISSEMENT...

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Soupapes valves-3

Epaisseur de cloison Frame thickness Description Mural ou plafond Wall or ceiling Mural ou plafond Wall or ceiling Mural Wall Mural Wall Soupape chauffante grand debit pour chambre froide a temperature negative jusqu'a -40°C High-flow heated valve for negative temperature cold room down to -40°C

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Soupapes valves-4

Elle est chauffante, à fonctionnement mécanique par clapets mobiles étanches munis d’un ressort de rappel, l’un d’admission et l’autre de décompression. Façade extérieure Exterior front Return spring Une cloison sépare le conduit d’admission de celui d’échappement. La soupape, à montage mural ou plafond, est télescopique pour s’adapter aux épaisseurs des parois de chambre. Elle est composée d’un cylindre séparé en deux compartiments, chacun muni d’un clapet permettant l’entrée ou la sortie d’air, afin d’équilibrer les pressions. L’ensemble est composé entièrement de pièces composite insensibles...

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Soupapes valves-5

Internal adjustable front Clapet d'echappement Exhaust mobile flap Clapet d'admission Admission mobile flap DESCRIPTION OF THE VALVE It is heated, mechanically operated valve, with two airtight mobile flaps with a return spring, allowing air flow in either direction. The admission and exhaust are separated by a partition. A/THE MECHANICAL ELEMENT The wall or ceiling mounted valve has a telescopic cylinder to allow adjustment to suit various wall thicknesses. The Cylinder has two separate compartments with flaps that allow either entrance or exit of air to balance the pr essures. This unit is...

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Soupapes valves-6

Montage mural ou plafond Wall or ceiling mounted valve * De 60 à 120 mm en standard / jusqu’à 200 mm avec un tube de 150 mm en option * Standard dimension: 60 to 120 mm / until 200 mm with optional 150 mm length tube

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Soupapes valves-7

2227 (Patented) Montage mural ou plafond Wall or ceiling mounted valve * Dimension standard : de 75 à 150 mm. Montage mural : de 75 à 215 mm avec le tube aluminium optionnel. Montage plafond : de 75 à 120 mm. * Standard dimension: from 75 to 150 mm. Wall mounted: from 75 to 215 mm with the aluminium extension tube (option). Ceiling mounted: from 75 to 120 mm.

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Soupapes valves-8

PLAFOND CLOISON Soupape télescopique pour épaisseur de cloison murale de 75 à 150 mm, et jusqu’à 215 mm avec le tube aluminium optionnel Télescopique pour plafond de 75 à 120 mm d’épaisseur BRIQ UÉ FA DESCRIPTION 3 possibilités de sortie du câble : en milieu de panneau, ou à l’extérieur du panneau, à l’horizontal ou à la verticale Montage mural ou plafond Clapets mobiles étanches pour limiter la formation de givre dans la chambre froide Montage étanche pour éviter toute prise en glace entre la soupape et la cloison Cordon chauffant de 8W complètement encapsulé dans la soupape Fabriqué en matériau...

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Soupapes valves-9

Expandable valve for 75 to 150 mm wall thickness, up to 215 mm with the aluminium extension tube For 120 mm maximum ceiling thickness ^S2!S^ ** FRfa^ Wall or ceiling mounted valve with heating cord, for negative temperature cold room down to -30°C, for 75 to 150 mm thickness frame (ceiling mounting: 75 to 120 mm). Wall or ceiling mounted valve without heating cord, for positive temperature cold room, for 75 to 150 mm thickness frame. mounted valve with heating for negative temperature cold room down to -30°C, for 150 to 215 mm thickness frame. DESCRIPTION 3 possible options for the cable outlet:...

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Soupapes valves-10

OQzDEF^XEPIH 2230 (Brevetee) Capot Clapet d'echappement Cover Exhaust mobile flap Joint d'etancheite Gasket DESCRIPTIF DE LA SOUPAPE Elle est chauffante, a fonctionnement mecanique par clapets mobiles etanches, l'un d'admission et l'autre d'echappement. Elle est taree pour agir a partir d'une pression d'environ 10 mm de colonne d'eau. Elle se compose de 2 elements principaux : A - L'ELEMENT MECANIQUE se trouve a l'exterieur de la chambre. Il comprend : - 1 boitier en composite renforce, - 1 carter en composite, - 1 platine en dural anodise avec son joint d'etancheite, - 2 clapets mobiles...

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Soupapes valves-11

2230 (Patented) Canne chauffante Heating element DESCRIPTION OF THE VALVE It is a heating, mechanically operated valve, with two airtight mobile flaps, one for admission the other for exhaust. It is adjusted to operate over a given pressure of about 10 mm water column. It consists in two elements: A - THE MECHANICAL ELEMENT outside the room. It is composed of: - 1 main case made of reinforced composite, - 1 cover made of composite, - 1 anodized dural plate with gasket, - 2 mobile flaps consisting in plates with an EPDM diaphragm placed to ensure tightness, - Ref 2230 Wall mounting: 3 stainless...

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Soupapes valves-12

(Brevetee) (Patented) tube de traversee * tubular cross bar 340 mm pour panneau epaisseur * for panel thickness 270 mm maxi

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Soupapes valves-13

*Tube de traversée 240 mm pour panneau épaisseur 100 à 220 mm. *Tube de traversée 340 mm pour panneau épaisseur 220 à 320 mm. *Tubular cross bar 240 mm for panel thickness 100 to 220 mm. *Tubular cross bar 340 mm for panel thickness 220 to 320 mm.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.