SOLENOID VALVE FOR REFRIGERATING SYSTEMS
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SOLENOID VALVE FOR REFRIGERATING SYSTEMS - 1

SOLENOID VALVE FOR REFRIGERATING SYSTEMS FROM QUALITY OUR NATURAL DEVELOPMENT Achieved the goal of fty years working in the industry of Refrigeration and Air Conditioning, Castel Quality Range of Products is well known and highly appreciated all over the world. Quality is the main issue of our Company and it has a special priority, in every step, all along the production cycle. UNI EN ISO 9001:2008, issued by ICIM, certies the Quality System of the Factory. Moreover Castel Products count a number of certications in conformity with EEC Directives and with European and American Quality Approval. We produce on high tech machinery and updated automatic production lines, operating in conformity with the safety and environment standards currently enforced. Castel oers to the Refrigeration and Air Conditioning Market and to the Manufacturers fully tested products suitable with HCFC and HFC Refrigerants currently used in the Refrigeration & Air Conditioning Industry. Solenoid valves 1

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SOLENOID VALVE FOR REFRIGERATING SYSTEMS - 3

INDEX Solenoid valves, normally closed and normally open pag 5 Coils Connectors All the products illustrated in this Handbook are submitted, one by one, to tightness tests besides to functional tests. Allowable external leakage, measurable during the test, agrees to the denition given in Par. 9.4 of EN 12284 : 2003 Standard: “During the test, no bubbles shall form over a period of at least one minute when the specimen is immersed in water with low surface tension, …”. PRESSURE CONTAINMENT All the products illustrated in this Handbook, if submitted to hydrostatic test, guarantee a pressure...

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SOLENOID VALVE FOR REFRIGERATING SYSTEMS - 5

SOLENOID VALVES, NORMALLY CLOSED AND NORMALLY OPEN APPLICATIONS e solenoid valves, shown in this handbook, are classied “Pressure accessories” in the sense of the Pressure Equipment Directive 94/23/ EC, Article 1, Section 2.1.4 and are subject of Article 3, Section 1.3 of the same Directive. ey are designed for installation on commercial refrigerating systems and on civil and industrial conditioning plants, which use the following refrigerant uids: R22, R134a, R404A, R407C, R410A; R507 proper to the Group II (as dened in Article 9, Section 2.2 of Directive 97/23/EC and referred to in...

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SOLENOID VALVE FOR REFRIGERATING SYSTEMS - 6

CONSTRUCTION e main parts of the valves are made with the following materials: - Hot forged brass EN 12420 – CW 617N for body and cover - Copper tube EN 12735-1 – Cu-DHP for solder connections - Austenitic stainless steel EN 10088-2 – 1.4303 for enclosure where the plunger moves - Ferritic stainless steel EN 10088-3 – 1.4105 for plunger - Austenitic stainless steel EN ISO 3506 – A2-70 for tightening screws between body and cover - Chloroprene rubber (CR) for outlet seal gaskets - P.T.F.E. for seat gaskets INSTALLATION e valves can be installed in all sections of a refrigerating system, in...

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SOLENOID VALVE FOR REFRIGERATING SYSTEMS - 7

TABLE 1B: General Characteristics of NC valves (normally closed) with ODS connections Connections ODS Operating Principles Catalogue Number Ø [in.] Ø [mm] Opening Pressure Differential [bar] Seat size nominal Ø [mm] MOPD (3) Kv Factor [m3/h] PS [bar] Coil type min OPD 1028/2 1/4” – 1028/2E 1/4” – 1028/3 3/8” – 1028/M10 – 3/8” – 10 1068/M12 – 12 6.5 1068/4 1/2” – – 12 1078/4 1/2” – 1078/5 5/8” 16 1079/7 7/8” 22 1098/5 5/8” 16 3/4” – +110 (2) 45 Art. 3.3 +105 (1) 45 Art. 3.3 7/8” 22 1099/9 1.1/8” – 1078/9 1.1/8” – 1079/11 1.3/8” 35 – 35 "+110 (2)" 19 4.80 1098/7 0 3.80 1098/6 1038/3 3/8" – 10...

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SOLENOID VALVE FOR REFRIGERATING SYSTEMS - 8

(1): With coil 9120 the dimension L2 is equal to 64 mm and theweights must be increased of 305 g. Connectors are not included in the boxes and have to be ordered separately Solenoid valves

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SOLENOID VALVE FOR REFRIGERATING SYSTEMS - 12

TABLE 5: Dimensions and Weights of NO valves with 9120 coils Connectors are not included in the boxes and have to be ordered separately Solenoid valves

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SOLENOID VALVE FOR REFRIGERATING SYSTEMS - 14

Standard rating conditions according to AHRI Standard 760-2007 Solenoid valves

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SOLENOID VALVE FOR REFRIGERATING SYSTEMS - 15

COILS APPLICATION For the normally closed solenoid valves, previously shown in this Handbook, Castel puts the following types of coils at disposal of its own customers: - coils series HM2, only for A.C. (catalogue numbers 9100 - 9105). - coils series CM2, only for A.C. (catalogue number 9110). - coils series HM3, either for A.C. or for D.C. (catalogue number 9120). - coils series HM4, only for A.C. (catalogue number 9160). For the normally open solenoid valves, always shown in this Handbook, the customer’s selection must compulsorily apply to the coils series HM3 – D.C. . For applications...

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SOLENOID VALVE FOR REFRIGERATING SYSTEMS - 18

CONNECTORS e junction boxes 9150, DIN 43650 standardized, represent an eective system for the connection of the coil to the supply circuit, thus ensuring safety also in the presence of moisture. ese junction boxes, according to assembly requirements, allow choosing the position of outer casing compared to inner terminal block. e gland nut of casing is suitable to receive cables with an external diameter of 6 ÷ 9 mm and is provided with a self-locking device. Cables sized 3 x 0,75 mm2 are to be preferred. e junction boxes series 9900 are available with cabled core of dierent length. In this...

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SOLENOID VALVE FOR REFRIGERATING SYSTEMS - 19

PERMANENT MAGNET PERMANENT MAGNET NC SOLENOID VALVE APPLICATION Castel supplies to its customers the permanent magnet code 9900/ X91 for the normally closed solenoid valves, shown in this chapter. is product can be used during brazing of the valve copper connections to the plant pipes; slipping it on the armature, instead of the coil, it allows the protective gas (nitrogen) owing and avoids any damage to the plunger gasket and to the diaphragm. CONSTRUCTION e main parts of the permanent magnet code 9900/X91 are made with the following materials: - three rings of anisotropic ferrite -...

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