Danfoss check valve NRV12 3/4''UNF 020-1042
More in this category: Straight way valve
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Description
Check valves require a minimum pressure differential in order to remain open. If the minimum pressure differential for the
volume flow rate is not reached (e.g. operating under partial load), loud noises (rattling or whistling) may be heard.
A selection program is used to ensure the right check ...
Check valves require a minimum pressure differential in order to remain open. If the minimum pressure differential for the
volume flow rate is not reached (e.g. operating under partial load), loud noises (rattling or whistling) may be heard.
A selection program is used to ensure the right check valve is chosen. We recommend the “DANVEN” program from
Danfoss
Features
- For all fluorinated refrigerants
- For installation in intake, fluid and hot gas lines
- Use reinforced spring for installation in the pressure line of NRVH power racks
- All check valves are fitted with a damping piston
Kältemittel
NRV/NRVH 6-19; gerade mit Bördelanschluß:
R134a, R22/R407C, R404A/R507, R407A, R407F, R407H, R410A, R448A, R449A, R449B, R450A, R452A, R513A, R515B, R1233zd(E), R1234ze(E)
NRV/NRVH 22s-28s; Eck mit Lötanschluß:
R134a, R22/R407C, R290, R404A/R507, R407A, R407F, R407H, R410A, R448A, R449A, ...
NRV/NRVH 6-19; gerade mit Bördelanschluß:
R134a, R22/R407C, R404A/R507, R407A, R407F, R407H, R410A, R448A, R449A, R449B, R450A, R452A, R513A, R515B, R1233zd(E), R1234ze(E)
NRV/NRVH 22s-28s; Eck mit Lötanschluß:
R134a, R22/R407C, R290, R404A/R507, R407A, R407F, R407H, R410A, R448A, R449A, R449B, R450A,R452A, R452B, R454A, R454B, R454C, R455A, R513A, R515B, R516A, R600, R600a, R1233zd(E), R1234ze(E), R1234yf, R1270
NRV/NRVH 28s-35s; Eck mit Lötanschluß:
R134a, R22/R407C, R404A/R507, R407A, R407F, R407H, R410A, R448A, R449A, R449B, R450A, R452A, R513A, R515B, R1233zd(E), R1234ze(E)
NRV/NRVH 6s-19s; gerade mit Lötanschluß:
R134a, R22/R407C, R290, R32, R404A/R507, R407A, R407F, R407H, R410A, R448A, R449A, R449B, R450A, R452A, R452B, R454A, R454B, R454C, R455A, R513A, R515B, R516A, R600, R600a, R1233zd(E), R1234ze(E), R1234yf, R1270
Accessories / Replacement parts
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Union nut
Technical data
Bei Min. OPD: Δp = Minimaler Öffnungsdruckunterschied
Der Kv-Wert ist der Wasserfluss in [m3 / h] bei einem Druckabfall über das Ventil von 1 bar; ρ = 1000 kg/m3
Detaillierte technische Daten finden Sie in der Bedienungsanleitung in der Rubrik Downloads!
