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CHAPIN Constant Flow Valve: Backpack Sprayer, 6-8503-9, 61800/61900/62000/64800 - Assorted Parts & Accessories
CHAPINAssorted Parts & Accessories

CHAPIN Constant Flow Valve: Backpack Sprayer, 6-8503-9, 61800/61900/62000/64800

The CHAPIN Constant Flow Valve is a poly accessory for backpack sprayers, designed to maintain a consistent flow rate during operation. This blue valve is compatible with CHAPIN model numbers 61800, 61900, 62000, and…

SKU 3G-OTH-385753

Also listed as: 685039 · 6 8503 9

Brand
CHAPIN
Item
Constant Flow Valve: Backpack Sprayer, 6-8503-9, 61800/61900/62000/64800
Category
Assorted Parts & Accessories
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

CHAPIN
Manufacturer Part Number
6-8503-9
Type
6-8503-9, 61800/61900/62000/64800, Poly
Material
Poly
Color
Blue
Product Type
Constant Flow Valve
Compatible Mfr No.
61900
Compatible Product Type
Backpack Sprayer

Technical Documents

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CHAPIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHAPIN Constant Flow Valve is a poly accessory for backpack sprayers, designed to maintain a consistent flow rate during operation. This blue valve is compatible with CHAPIN model numbers 61800, 61900, 62000, and 64800, and is identified by manufacturer part number 6-8503-9. It serves as a replacement or upgrade component for compatible CHAPIN backpack sprayers.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the CHAPIN Constant Flow Valve used for?

The CHAPIN Constant Flow Valve maintains a steady spray rate on compatible backpack sprayers, preventing pressure drops during operation. It is a poly replacement or upgrade part for CHAPIN models 61800, 61900, 62000, and 64800, ensuring consistent application in agricultural or landscaping tasks.

What are the specifications of the CHAPIN Constant Flow Valve?

This CHAPIN Constant Flow Valve is made of poly material in blue, with manufacturer part number 6-8503-9. It is compatible with CHAPIN backpack sprayer models 61800, 61900, 62000, and 64800. The valve is designed as a direct replacement accessory to regulate flow without altering sprayer pressure settings.

Where to buy the CHAPIN Constant Flow Valve worldwide?

3G Electric supplies the CHAPIN Constant Flow Valve worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source this genuine CHAPIN part (6-8503-9) and deliver it to your facility, ensuring compliance with local import requirements.

How to install the CHAPIN Constant Flow Valve on a backpack sprayer?

To install the CHAPIN Constant Flow Valve, first depressurize the sprayer and drain any remaining liquid. Remove the existing valve assembly from the wand or hose connection, then insert the new poly valve (6-8503-9) and tighten securely. Test for leaks at low pressure before resuming operation. Always consult the sprayer manual for model-specific steps.

Used in

Common applications for CHAPIN
Agricultural spot spraying — CHAPIN handheld sprayer 26011XP for targeted herbicide or fertilizer application
Large-area weed control — CHAPIN cordless vehicle-mounted sprayer 97361 (15 gal) on ATV for turf management
Concrete stain application — CHAPIN backpack or handheld sprayers with adjustable nozzles for even coating
Irrigation scheduling — CHAPIN digital dual-zone water timer 41013 for automated hose-end watering
Sprayer maintenance — CHAPIN piston pump repair kit 6-8180 for restoring backpack sprayer performance
Chemical-resistant sealing — CHAPIN replacement shut-off 6-4638 with fluoropolymer elastomer for corrosive fluids

CHAPIN Products

3G Electric supplies CHAPIN assorted parts & accessories. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHAPIN Constant Flow Valve: Backpack Sprayer, 6-8501, 61800/61900/62000/64800, Poly
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CHAPIN Constant Flow Valve: Backpack Sprayer, 6-8501, 61800/61900/62000/64800, Poly
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HAYWARD
HAYWARD Diaphragm Valve: 1 1/4 in, CPVC, 2-Way, NPT x Socket, 150 psi Max Pressure (CWP), FPM (MPN DAB2012UFF)
HAYWARD Diaphragm Valve: 3/4 in, CPVC, 2-Way, NPT x Socket, 150 psi Max Pressure (CWP), FPM (MPN DAB2007UFF)
HAYWARD
HAYWARD Diaphragm Valve: 3/4 in, CPVC, 2-Way, NPT x Socket, 150 psi Max Pressure (CWP), FPM (MPN DAB2007UFF)
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HAYWARD
HAYWARD Diaphragm Valve: 1 1/2 in, CPVC, 2-Way, NPT x Socket, 150 psi Max Pressure (CWP), FPM (MPN DAB2015UFF)
HAYWARD Diaphragm Valve: 1/2 in, CPVC, 2-Way, NPT x Socket, 150 psi Max Pressure (CWP), FPM (MPN DAB2005UFF)
HAYWARD
HAYWARD Diaphragm Valve: 1/2 in, CPVC, 2-Way, NPT x Socket, 150 psi Max Pressure (CWP), FPM (MPN DAB2005UFF)
HAYWARD Butterfly Valve: 6 in Pipe Size, Concentric, 150 psi Max. Pressure (CWP), Lug, 8 Bolt Holes (MPN BYV22060A0NLI00)
HAYWARD
HAYWARD Butterfly Valve: 6 in Pipe Size, Concentric, 150 psi Max. Pressure (CWP), Lug, 8 Bolt Holes (MPN BYV22060A0NLI00)

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