WL-550ASBC2 Grease Free Power Sprayer Pump | High Pressure Agricultural Sprayer | Ceramic Piston

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.

WL-550ASBC2 power sprayer ceramic plunger grease free high flow heavy duty high pressure pump with auto pressure release system

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Additional files

WL-550B2_SERIES_PARTS_LIST(2025V).pdf WL-550B2_MANUAL(2021V).pdf

Product Description

Pressure: 20–50 bar (300–700 PSI) Suction Volume: 29.5–58 L/min (7.8–15.3 GPM)

Product Introduction

Key Features & Performance Advantages

Automatic Pressure Relief System: Engineered with an intelligent automatic pressure relief / unloading valve that automatically depressurizes when spray guns or valves are closed—reducing engine load, lowering energy consumption, and protecting system components.
High-Flow Suction Capacity (29.5 – 58 L/min): Delivers robust displacement performance across high-demand crop protection, large-scale greenhouse fertigation, and commercial washdown operations.
Precision Ceramic Sleeve Plungers: High-density ceramic sleeves provide superior thermal resistance, extreme abrasion resistance, and maximum operational lifespan under chemical and high-pressure applications.
100% Grease-Free Packing System: Engineered with advanced self-lubricating synthetic seals to eliminate oil contamination risks in discharge flow—100% safe for organic farming and delicate crops.

Standard Accessories Included

Aluminum Pump Pulley 10" B2 x 24mm bore (5mm keyway)
Suction Hose Assembly (1-1/4" x 3m / 10ft)
Overflow / Bypass Hose Assembly (3/4" x 2.7m / 9ft)
Suction Filter (S-42)
Export Standard: Spare Packing Kit (V-Packings & Valve Packings)

Note / Optional Water Transfer Model: A dedicated water transfer model (without pressure relief valve and standard accessories) is also available upon request. Please contact our sales team for details.

Commercial Terms & Supply Chain: • MOQ: No MOQ required (Flexible sample & small-batch orders welcome).
• Lead Time: 7 – 60 working days (subject to stock availability).
• OEM / ODM: Custom branding, colorways, and pulley dimensions available.

12-Month Factory Warranty & After-Sales Support • Coverage: 12-month warranty against material and manufacturing defects from date of receipt.
• Fast Claims: Submit photo/video evidence for rapid evaluation and immediate replacement parts or repair support.
• For full warranty terms and conditions, please consult our sales agreement.

Specification

PERFORMANCE SPECIFICATIONS MODEL: WL-550ASBC2

Suction Volume (L/min)	Working Pressure (kgf/cm²)						Revolution (R.P.M.)
	20		35		50
	HP	kW	HP	kW	HP	kW
29.5	1.5	1.1	2.5	1.9	3.7	2.8	430
34.0	1.7	1.3	3.0	2.2	4.3	3.2	500
48.0	2.5	1.9	4.2	3.1	-	-	700
58.0	3.0	2.2	-	-	-	-	850

Dimensions: 47 x 36 x 48 cm Weight: 26 / 27 kg

* SPECIFICATION IS SUBJECT TO CHANGE WITHOUT NOTICE FOR THE PURPOSE OF IMPROVEMENT OF THE PRODUCT.

DIMENSIONAL DRAWING

WL-550ASBC2 power sprayer dimensions drawing

PERFORMANCE SPECIFICATIONS MODEL: WL-550ASBC2

Suction Volume (L/min)	Working Pressure (kgf/cm²)						Revolution (R.P.M.)
	20		35		50
	HP	kW	HP	kW	HP	kW
29.5	1.5	1.1	2.5	1.9	3.7	2.8	430
34.0	1.7	1.3	3.0	2.2	4.3	3.2	500
48.0	2.5	1.9	4.2	3.1	-	-	700
58.0	3.0	2.2	-	-	-	-	850

Dimensions: 47 x 36 x 48 cm Weight: 26 / 27 kg

* SPECIFICATION IS SUBJECT TO CHANGE WITHOUT NOTICE FOR THE PURPOSE OF IMPROVEMENT OF THE PRODUCT.

DIMENSIONAL DRAWING

KEY APPLICATIONS & PRODUCT HIGHLIGHTS

Organic & Precision Agriculture

100% grease-free pump chamber ensures zero oil contamination in output flow—protecting sensitive crops and meeting stringent eco-farming standards.

Liquid Fertilizer & Chemical Transfer

Available with industrial-grade solid ceramic plungers delivering exceptional wear and corrosion resistance for prolonged service life under demanding conditions.

Sanitation & Biosecurity Disinfection

Oil-free fluid delivery eliminates grease residue, avoiding secondary environmental contamination during farm, livestock, or facility pest control.

Food-Grade & Industrial Equipment Washdown

Specially engineered packing seals prevent grease leakage, satisfying strict hygiene guidelines required for food processing facilities and high-pressure cleaning.

FLEXIBLE SYSTEM CONFIGURATIONS & ACCESSORIES

Versatile Power Options

Easily coupled with a 3~5 HP electric motor or a 8.5~9 HP heavy-duty gasoline engine based on job site requirements.

Heavy-Duty High-Pressure Hoses

Supports long-distance pumping up to 300 meters (984 ft). Available in 8.5mm and 10mm inner diameters with burst pressure ratings exceeding 2,000 PSI (140 kgf/cm²) for maximum safety.

Professional Spray Guns & Nozzles

Compatible with specialized sprayers including adjustable spray guns, fan-nozzle guns, and heavy-duty washdown lances to suit diverse operational needs.

Flat Frame Kit

Mounted on a sturdy flat base frame designed for stable, stationary deployment and secure mounting on truck beds or stationary platforms.