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Datasheet generated 2026-10-08
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Danfoss AVDO Self-Acting Constant-Flow (Automatic Bypass) Valve DN 15, Straight, Threaded, with fittings (003L6115)

Danfoss · HVAC & Refrigeration · Balancing Valves · Denmark · danfoss.com
Part Number
003L6115  ·  HS 8481.80
Danfoss AVDO Self-Acting Constant-Flow (Automatic Bypass) Valve DN 15, Straight, Threaded, with fittings (003L6115)

Danfoss AVDO (balancing valves), OEM order code 003L6115. Self-acting constant-flow / automatic-bypass valve that holds a constant differential pressure across a bypass, protecting circulation pumps and maintaining minimum flow in heating systems without auxiliary power. Manufacturer description: Self-acting constant flow valve, with fittings. connection/size DN 15, max. working pressure 10 bar; max. differential pressure 0.5 bar, media/setting temperature up to 120 °C. EAN 5702420018119. HS 8481.80. Specifications quoted verbatim from store.danfoss.com (code 003L6115).

Technical Specifications

BrandDanfoss Part number: 003L6115 Code number: 003L6115 Type: AVDO Product group: Automatic Bypass Control Description: Self-acting constant flow valve, with fittings Gross weight: 0.776 Kilogram Net weight: 0.775 Kilogram Connection size in: 15 mm Connection size out: 15 mm Connection types: Threaded Connections: 1/2" Design: Straight Differential pressure range [bar] [Max]: 0.5 bar Flow temperature [°C] [Max]: 120 °C Inlet connection type: External thread Outlet connection type: External thread Setting [bar] [Max]: 0.5 bar Setting [bar] [Min]: 0.05 bar Valve size: DN 15 Working pressure [bar] [Max]: 10 bar EAN: 5702420018119 HS code: 8481.80 (taps, cocks, valves for pipes)

Properties

Pressure ratingmax. working pressure 10 bar; max. differential pressure 0.5 bar
Temperature rangeup to 120 °C
Standard sizeDN 15
MOQ1

Compatibility

Genuine Danfoss part, order code 003L6115 (Automatic Bypass Control). Confirm the code, size (DN 15) and matching valve/actuator family against your Danfoss datasheet before ordering.

Attached Documents