Products Description
Manual Sprayer Head | Adjustable Brass Spray Wand with Knurled Nozzle for Backpack, Knapsack & Compression Agricultural Sprayers
Polished Brass Spray Lance with Gasket-Sealed Multi-Ridge Connector, Ergonomic Curved Shaft, Knurled-Grip Adjustable Cone-to-Stream Nozzle & Smooth-Bore Flow Path
Manual sprayer head
This polished brass spray head is the complete spray wand and nozzle assembly for manual backpack sprayers, compression tank sprayers, and knapsack sprayers - the business end of the spraying system that converts pressurized liquid from the tank into a controlled, directed spray pattern. It connects to the hand switch trigger valve via the multi-ridge gasket-sealed connector at its base, and features an adjustable knurled nozzle at its tip that allows the operator to vary the spray pattern from a fine cone mist to a solid stream by rotating the knurled grip while spraying.The entire assembly is manufactured from polished brass - the gold standard for agricultural sprayer wands. Brass resists the corrosive chemical attack of glyphosate, paraquat, organophosphate insecticides, copper fungicides, and acidic foliar fertilizers that pit and erode stainless steel and destroy aluminum wands within a single spraying season. The shaft features a subtle downward curve in its mid-section - an ergonomic bend that angles the spray toward the target when the operator holds the hand switch at a natural wrist position, reducing the need to bend the wrist upward during extended spraying sessions.
Technical Profiles & Materials
Polished Brass Construction：
The entire assembly - shaft, connector, knurled grip, and nozzle - is fabricated from brass, polished to a bright reflective finish. Brass is the premium material for sprayer wands because it is chemically inert to the full spectrum of agricultural pesticides, herbicides, and fertilizers. Aluminum wands pit and perforate within weeks of exposure to copper-based fungicides. Stainless steel wands resist pitting but suffer chloride stress-corrosion cracking from chlorine-based sanitizers used in greenhouse and post-harvest applications. Brass handles all of them - it's the material agricultural sprayer manufacturers specify for their own premium wands.
Ergonomic Curved Shaft：
The shaft features a subtle downward curve in its mid-section. When the sprayer operator holds the hand switch at waist height and aims at ground-level targets (weeds, crop bases, soil treatments), a straight wand would require the wrist to tilt downward - a position that causes fatigue and strain over hours of continuous spraying. The curved shaft brings the spray angle naturally toward the ground while the wrist remains in a neutral, comfortable position.
Technical Specifications
| ITEM | DETAILS |
| Type | Adjustable Brass Spray Wand - Complete Spray Head Assembly |
| Application | Manual backpack, compression & knapsack sprayers for agricultural pesticide, herbicide & foliar fertilizer application |
| Code | 0601289 |
| Material | Polished brass shaft, connector, knurled grip & adjustable nozzle; brass internal swirl insert |
| Details explanation | Adjustable nozzle: cone to stream via knurled grip rotation. Ergonomic curved shaft. Multi-ridge gasket-sealed push-fit connector (no O-ring needed). Polished bore for smooth flow. Compatible with standard manual sprayer hand switch outlets. |
| Brand Name | SeaSummer |
| Operating Pressure | 2–8 bar (30–120 PSI) |
| Delivery Time | 30 Days |
| Packaging | Cardboard packaging |
Products Application
Structural Pest Control & Disinfection Spraying
For public health pest control operators, the solid-stream setting allows precise crack-and-crevice injection of residual insecticides into wall voids, behind baseboards, and around pipe penetrations. The cone setting provides the even surface coverage needed for barrier spraying along building foundations, under eaves, and around door and window frames. For disinfection applications - livestock housing, food processing areas, public transport - the fine cone produces the contact-time-maximizing droplet size that ensures disinfectant remains wet on the treated surface for the required dwell time. The push-fit connector allows rapid wand disconnection for cleaning and decontamination between different chemical applications.
Greenhouse, Nursery & Ornamental Plant Production
In controlled-environment agriculture, the adjustable brass spray head provides the precision needed for applying growth regulators, micronutrient foliar feeds, and biological control agents to high-value ornamental plants and greenhouse vegetables. The fine cone setting produces the small, uniform droplets that achieve thorough coverage of delicate foliage without the runoff that wastes expensive chemicals. The smooth brass bore delivers consistent flow without the pressure pulsations that cause uneven spray distribution - critical when applying plant growth regulators where a 10% overdose causes crop damage and a 10% underdose has no effect.
Agricultural Pesticide & Herbicide Application
The primary application. Operators use this brass spray head connected to a hand switch trigger valve to apply insecticides, fungicides, herbicides, and foliar fertilizers to field crops, vegetables, orchards, and plantations. The adjustable nozzle enables multi-mode operation without changing equipment: a fine cone for full-canopy fungicide coverage on vegetables, a medium cone for row-crop insecticide application, and a solid stream for spot-treating individual weed clumps with glyphosate - all from the same wand. The brass construction handles the tank-mix chemical cocktail that destroys lesser wands: a combination of organophosphate insecticide, copper fungicide.
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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YOUR PROFESSIONAL ONE-STOP SOURCE
FOR 10000+ OUALITY PARTS
Verified Factory Excellence
BACKED BY 200+ TRUSTED FACTORY PARTNERS
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FAQ
Q: Are you an impartial industrial components dealer or a direct China water pump factors factory?
A:We are a direct, ISO9001-certified engineering water pump components manufacturing facility and precision fluid-control factor manufacture exporter primarily based in China. We function our personal cleanroom injection molding bays, computerized ultrasonic welding arrays, computerized hydraulic stress check stations, and clean-room packaging lines, passing direct-factory wholesale price financial savings straight to your element procurement margins.
Q: Can your manufacturing unit furnish full certification forms for food-contact or consuming water compliance?
A: Yes, absolutely. For food, beverage, or scientific applications, our manufacturing unit makes use of one hundred percent virgin, un-recycled polypropylene resins accompanied by means of fabric traceability certificates. We mechanically furnish B2B purchasers with complete FDA compliance documentation, NSF-grade compound declarations, and RoHS/REACH chemical protection screening sheets to make certain clean clearance thru worldwide customs.
Q: Do you provide customization picks for distinctly corrosive fluids like sturdy acids or ozone?
A: Yes, we are a thoroughly succesful OEM/ODM supplier. For aggressive chemical or ozone environments, we can improve the 12x26.5mm valve configuration in our factory: substituting the general PP housing with top class PVDF (Fluoropolymer) and changing any steel springs with Hastelloy or whole springless gravity-ball architecture, making sure final chemical resistance.
Q: How do we impervious a pattern batch to execute computerized lifecycle and burst-pressure testing?
A: We relatively inspire complete laboratory contrast earlier than logging mass grant agreements. We can ship a pattern lot of 5-10 gadgets of our inventory 12x26.5mm take a look at valves for assessment (setup costs and DHL/FedEx air freight apply). Once the factors pass by your inner lifecycle verification and a formal wholesale quantity manufacturing contract or container run is locked in, the sampling charges are a hundred percent credited returned to your industrial balance.
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