Starting from July 2025, we will launch new WN misting products. The old series will discontinued after they are sold out. Thank you for your understanding.

4 products in this product line

WL-550 High-Volume Grease-Free Pumps | Agricultural & Transfer - WULI

WL-550 Series High-Volume Grease-Free Pumps

Built for expansive acreage, the WL-550 Series features mid-to-large capacity outputs of 29–58 L/min. Perfect for vineyard and orchard crop care, long-range sanitization, or high-volume fluid transfer. Choose from patented pressure-stabilizing valves, Auto-Sensing (AS) automatic unloading, or dedicated cost-effective water transfer models (without pressure relief valves).

WL-550B2

Standard Model

Pressure: 20–50 bar (300–700 PSI)

Flow: 29.5–58 LPM (7.8–15.3 GPM)

Q'ty :

Inquiry Detail
WL-550ASB2

Auto Unloader

Pressure: 20–50 bar (300–700 PSI)

Flow: 29.5–58 LPM (7.8–15.3 GPM)

Q'ty :

Inquiry Detail
WL-550BC2

Ceramic Plunger

Pressure: 20–50 bar (300–700 PSI)

Flow: 29.5–58 LPM (7.8–15.3 GPM)

Q'ty :

Inquiry Detail
WL-550ASBC2

Ceramic / Auto Unloader

Pressure: 20–50 bar (300–700 PSI)

Flow: 29.5–58 LPM (7.8–15.3 GPM)

Q'ty :

Inquiry Detail

Pressure:	20–50 bar (300–700 PSI)
Flow:	29.5–58 LPM (7.8–15.3 GPM)

Grease-Free Power Sprayer Series

WL-550 Series High-Volume Grease-Free Pumps