PRODUCT INFORMATION
Danfoss BFP 20 Size 3 Solenoidless Oil Pump | Basic 24 L/h Household Burner
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- Danfoss BFP 20 Size 3 Solenoidless Oil Pump | Basic 24 L/h Household Burner
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Suitable for supplying fuel to small household diesel burners and boilers; shut-off is controlled by an external solenoid valve; both single-pipe and dual-pipe systems are compatible. Danfoss BFP 20 Size 3 Solenoidless Oil Pump | Basic 24 L/h Household Burner
Original 丹麥, single-stage design, cartridge filter, compatible with up to 100% biodiesel (Bio100 version), journal conforms to EN 225.
切斷由管路電磁閥統一控制的系統,泵端只需穩定調壓
在切斷交由管路電磁閥集中控制的小型柴油燃燒系統中,泵浦本身不需內建切斷,只需穩定供油壓力並容易維護。Danfoss BFP 20 即為此類架構設計:單段調壓、無電磁閥。
單段調壓的運作機制
燃油由吸入口經卡匣濾網進入齒輪組加壓,經調壓閥(含膜片)將噴嘴壓力穩定於設定值;未經噴嘴的油於雙管系統回到回油口與油箱,單管系統(回油口封堵、移除換向螺絲)內部回到齒輪組。BFP 20 無電磁閥,噴嘴管路切斷須由外接電磁閥提供。
BFP 20 基本型的設計特色
卡匣式濾網 11 cm²/200 µm、前方調壓,壓力範圍 7–20 bar(出廠 10±1 bar),軸頸符合 EN 225。材料經生質相容處理,Bio100 版可相容至 100% 生質柴油。進回油 G 1/4、噴嘴出口 G 1/8。
同型比較:BFP 20/BFP 21/BFP 52E
BFP 21 較 BFP 20 多一組電磁閥、可自帶切斷;BFP 52E 為兩段式、含雙調壓器。若切斷已由管路電磁閥負責,BFP 20 即可;若要泵端自帶切斷,選 BFP 21。本頁為 Size 3(約 24 l/h),較大流量見 BFP 20 Size 5.
Application scenarios and system pairings
BFP 20 Size 3 適用小型家用柴油燃燒器與鍋爐供油,單管與雙管皆可,須配置外接切斷電磁閥。實務上建議前端搭配 diesel filter.
丹麥原裝,單段設計、卡匣式濾網,可相容至 100% 生質柴油(Bio100 版),軸頸符合 EN 225技術講解
| project | content |
|---|---|
| Type | 單段家用燃燒器油泵,內建調壓閥、無電磁閥(切斷須外接電磁閥) |
| capacity | Size 3:約 24 l/h(@4.3 cSt, 10 bar, 2800 min⁻¹) |
| 適用燃料 | 輕油、煤油及其生質摻配;標準燃油 DIN EN 51603-1、生質燃油 DIN EN 51603-6/-8 及 EN 14214(Bio100 版可至 100% FAME/UCOME) |
| 管路系統 | 單管或雙管(雙管附換向螺絲;單管移除螺絲並封堵回油口) |
| 壓力範圍 | 7–20 bar(1.3 cSt 時上限 12 bar、1.8 cSt 時上限 15 bar) |
| 出廠設定壓力 | 10 ±1 bar |
| 運作黏度 | 1.8–12 cSt(最低 1.3 cSt) |
| 進油/回油耐壓 | ≤ 2 bar |
| 濾網 | 卡匣式,11 cm²/200 µm |
| 轉速 | 2400–3450 min⁻¹ |
| 油溫 | 0–70°C |
| 環境/運輸溫度 | −20~+70°C |
| 安裝 | 法蘭;軸頸依 EN 225 |
| 進/回油口 | G 1/4 |
| 噴嘴出口 | G 1/8 |
| 壓力/真空錶孔 | G 1/8 |
| weight | 淨重約 1.06 kg |
| certified | DIN CERTCO、SEMKO 電氣安全;RoHS/LVD 宣告 |