Sprayer,compression type,11.35 litres
Hand operated compression sprayer for chlorine/pesticide and insecticide applications (HCS), with a capacity of 11.35 liters
Indicative Price 121.22 USD
Compression sprayer, Hand operated, for chlorine/pesticide and insecticide applications, 11.35 Liters.
Hand operated compression sprayer for chlorine/pesticide and insecticide applications (HCS), with a capacity of 11.35 liters (approximately).
The sprayer shall include the following:
Tank, cylindrical shape,
equipped with a hand operated air pump
with two handed handle
and locking device separate from the tank lid,
pressure release safety device,
Pressure relief (safety) valve device,
air pressure gauge,
Shut-off valve to keep the pressure in the tank if the hose and the discharge set removed,
hose attached at the top of the tank to a dip tube,
trigger valve with locking off device,
control flow valve
The sprayer shall be equipped with a system for hanging the lance when the sprayer is not in use.
The operation pressure of the sprayer shall be 4 bar (unless otherwise specified).
Construction materials of the sprayer shall be free from tin, lead and wood and materials shall be corrosion, pressure and UV resistant. They shall be in conformity with specifications of the WHO 2010 revised edition of Vector Control Equipment.
The maximum total weight of the sprayer shall not exceed 25 KG when the sprayer is filled with liquid according to the manufacturer maximum recommended capacity.
The tank opening filler shall be equipped with a filter and its dimensions shall be not less than 90 mm in minor axis.
The tank shall be made from robust and chemical resistance material, with operation capacity of 11.35 Litres (approximately).
The sprayer shall be clearly and permanently marked with a horizontal permanent line to indicate the maximum liquid volume in litres. Other marking should indicate 1-litre graduation.
Pressure relief (safety) valve device:
A pressure relief valve shall be provided with the sprayer to prevent the pressurization in the tank beyond the limits prescribed by the manufacturer ± 10 % for safety. The valve shall re-seal after activation, allowing the normal operation of the sprayer without any leakage.
The sprayer shall be clearly and permanently marked with a horizontal permanent line indicating the maximum liquid volume in litres. Other marking should indicate 1-litre graduation.
The tank, filled with liquid to the maximum operational capacity, shall reach the operational pressure on completion of no more than 60 full strokes of the pump. At the maximum recommended operational pressure/capacity; pump’s check valves shall prevent any leakage of the liquid into the pump’s cylinder.
Handle and plunger rod:
The handle shall be T handle and shall be made from galvanized tubular steel or better and coated with high quality epoxy. The handle shall be designed in a way that the sprayer can be easily carried by this handle when it’s filled to the maximum recommended capacity. The plunger rod shall be made from galvanized steel or better. Pump’s cylinder shall be made from brass.
The sprayer shall be equipped with two filters; one at the trigger valves and one in the nozzle. The filter in the trigger valve must be smaller than the size of the nozzle aperture and not larger than 50 mesh size. Filters shall be manufactured with a proper size to prevent passage of particles that would cause nozzle blockage. Filters shall be made from pesticide/insecticide formulations resistant materials and shall be cleanable/replaceable.
The hose shall be of high pressure hose type lined with chemical-oil resistance liner. The hose shall be suitable for pesticide and insecticide products, including chlorine. Hose’s length shall be 1.5 m or longer.
The trigger valve must have a positive lock-off position. Valve’s lever length shall be 100 mm or longer, measured from the pivot point. The valve's lever shall be easily moved by the operator hand. Trigger valve shall be made from brass. Sprayer shall be drip-less sprayer.
The lance shall be made from brass and its length shall be 50 cm or longer.
Flow rate control device:
The sprayer shall be equipped with flow rate control device to maintain a relatively even discharge rate and a uniform nozzle pressure. Bidder/manufacturer shall mention the flow rate/type of this flow regulator valve. Tolerance limits of the specified flow rate shall be ± 5 % of the manufacturer specified flow. Test method will be according to paragraph 2.10.4 in WHO 2010 revised edition of vector control equipment.
Bidder/Supplier shall declare the availability of following nozzle types: Nozzle types are solid or jet stream nozzle, flat spray nozzle deliver fan-shaped spray, hollow cone nozzle, and solid cone nozzle; nozzle type shall be specified by the country office. The type of the nozzle tip and the flow rate shall be stated by the bidder/manufacturer and they shall comply with the corresponding international standards. Tolerance limits of the discharge rate shall not exceed ± 5 % when tested in accordance to section 184.108.40.206 in WHO 2010 revised edition of vector control equipment. Nozzle and Nozzle tip shall be made from hardened stainless steel or ceramic.
Sprayer’s seal ring:
All seal ring shall be made from Viton or better.
SPRAYER CARRYING SYSTEM:
The carrying system shall be shoulder carrying system. Bidders are encouraged to provide a design with a back carrying system with a suitable spacer to prevent the contact between the person and the sprayer’s tank.
Straps and fastening:
Straps width shall be at least 50 mm with a tolerance of 5 mm. Straps shall be adjustable for at least 100 cm in length. The straps, fastenings and strap clips shall not show structural failure when subject to the strap drop test according to section 2.12 in WHO 2010 revised edition of vector control equipment. Straps shall not increase in weight by more than 10 % when they subjected to the absorbency test according to section 2.12 in WHO 2010 revised edition of vector control equipment.
The sprayer shall be supplied with:
Equipment description and detailed technical data sheet.
A list of spare parts
Sprayer, sprayer’s parts and accessories shall be certified to and might be required subject to pass the tests stated in section two (2) in Equipment for Vector Control Specification Guidelines, WHO revised edition 2010.
Bidders are required to provide documentary evidence of compliance of quoted product(s) with WHO guidelines for hand-operated compression sprayers: quality control certificate from WHO collaborating centre or similar.
The offer shall be accompanied with relevant sprayer technical data sheets.
Any potential deviation to the specifications as well as further relevant clarifications to the offer shall be clearly indicated with the offer.
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