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Check Valves (Non-Return Valve)

The check valve (non-return valve, one-way valve) allows the refrigerant to pass in one direction only and automatically stops reverse flow. It is used with parallel evaporators and compressors, and in heat pump and hot gas defrost circuits.

This category contains Danfoss NRV and NRVH, Sanhua YCVS series and copper-body check valves.

When Choosing

  • Connection: Flare or ODF solder; the size is selected according to the tube outside diameter.
  • Body type: Straight-through or angle (L) type, depending on the layout of the line.
  • Opening pressure: Standard models open at a low pressure difference; strong-spring models such as the Danfoss NRVH open at a higher difference.
  • Flow direction: The arrow on the body shows the direction in which the flow will pass.
Brand: Danfoss Model: 19.68.040
Danfoss 020-1043 NRV 16, Düz 5/8" Rakorlu Vana
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Brand: Danfoss Model: 19.68.050
Danfoss 020-1044 NRV 19, Düz 3/4" Rakorlu Vana
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Brand: Danfoss Model: 19.70.030
Danfoss 020-1052 NRV 12S, Düz 5/8" Kaynaklı Vana
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Brand: Danfoss Model: 19.70.075
Danfoss 020-1055 NRV 22S, Köşe 28mm Kaynaklı Vana
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Brand: Danfoss Model: 19.70.110
Danfoss 020-1056 NRV 28S, Köşe 1 3/8" Kaynaklı Vana
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Brand: Danfoss Model: 19.70.050
Danfoss 020-1059 NRV 16S, Düz 3/4" Kaynaklı Vana
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Brand: Danfoss Model: 19.70.031
Danfoss 020B1015 NRV 10s, Düz 10mm Kaynaklı Vana
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Brand: Danfoss Model: 19.70.032
Danfoss 020B1016 NRV 12s, Düz 12mm Kaynaklı Vana
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Brand: Danfoss Model: 19.70.077
Danfoss NRV 6S (020B1050), küçük çaplı boru tesisatlarında kullanılmak üzere tasarlanmış piston tip düz kaynaklı bir çekvalftir. 10 mm ODF bağlantısı ile montaj kolaylığı sunar. Maksimum 49 bar basınca dayanıklı olan bu vana, tek yönlü akış kontrolü gerektiren sistemlerde güvenli ve etkili çözüm sun..
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Brand: Sanhua Model: 41.08.010
Sanhua YCV-15018 Tek Yönlü Vana 1/2"
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Brand: Sanhua Model: 41.08.003
Sanhua YCVS13-55GSHC-1 Tek Yönlü Vana 5/8"
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Brand: Sanhua Model: 41.08.007
Ürün Açıklaması Sanhua YCVS31-BBGSHC-1, L şekilli yapıya sahip, piston tipte tasarlanmış bir çek valftir. Ticari soğutma sistemlerinde ve endüstriyel/konut tipi klima uygulamalarında geri akışı önlemek amacıyla kullanılır. Gelişmiş yaylı sönümleme özelliği sayesinde darbe basıncı olan bölgelerde ..
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