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Plastic ball valve 1" ВЗ (internal-external thread) China
Ball valve 1" VZ (internal-external thread) is a reliable, high-strength and budget-friendly element of full-bore shut-off valves. It is designed to control the flow of water in the main trunk lines of automatic irrigation systems, drip irrigation and water supply. A distinctive feature of the model is the combined connection: on one side, there is an internal thread 1", on the other - an external thread 1". The valve is manufactured according to leading world standards (DIN / BS / ANSI), equipped with a smooth plastic ball for protection against corrosion and able to withstand high nominal pressure PN-16 (up to 16 bar)
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Full Product Description
Plastic ball valve 1" VZ (VN): Full-bore shut-off valve for main lines
Are you looking for a durable, corrosion-resistant, and affordable solution for shutting off water on main irrigation lines, collector nodes, or water supply systems? A plastic ball valve with a combined internal-external thread (VZ) with a diameter of 1" is an ideal choice for high-flow systems. Unlike metal valves, this polymer fitting is completely inert to aggressive chemical fertilizers that are often introduced through drip irrigation and is not subject to oxidation.
Thanks to the combined thread (internal on one side and external on the other), the valve is highly practical for installation. It can be directly screwed into full-size threaded outlets of compression fittings (32x1", 40x1", 50x1"), main collectors, or disc filters without using additional intermediate nipples or couplings. This significantly saves the budget, makes the node more compact, and minimizes the number of joints prone to leakage.
Key advantages of the 1" plastic valve:
High strength and pressure PN-16: The valve is made of thick-walled technical plastic designed to operate under a nominal pressure of up to 16 bar. It withstands hydraulic shocks and high loads in mains supplied from powerful pumping stations.
Plastic ball against scaling: The internal shut-off mechanism is made in the form of an ideally smooth plastic ball. It does not become overgrown with limestone, salt, or muddy deposits, which guarantees easy and smooth movement of the shut-off handle even after a long period of system downtime (e.g., after winter conservation).
World quality standards: The product is manufactured strictly according to DIN, BS, and ANSI standards. This guarantees precise thread geometry and 100% compatibility with compression fittings, valves, or metal plumbing of any manufacturer.
UV stabilization of the material: The polymer does not deteriorate under the influence of direct sunlight, does not crack from temperature fluctuations, and is suitable for both indoor or underground box installation and open outdoor mounting.
Scope of application:
Installation on the main line for complete shutdown of water supply to the collector node or irrigation area.
Connection to main water filters, pumping stations, and storage tanks.
Equipping central drainage and drainage nodes before the onset of winter cold.
Organization of powerful points of quick access to water (hydrants / water sockets) under a large-diameter hose.
Technical characteristics:
Manufacturer / Country
China
Valve type
Ball, straight (full-bore)
Connection type
Internal - External thread (VZ / VN)
Thread size
1" (one inch)
Body and ball material
High-strength technical plastic (PVC / PP)
Nominal pressure
PN-16 (up to 16 bar / atm)
Body color
White / Gray (depending on the batch)
Compliance with standards
DIN / BS / ANSI
Purpose
Main water supply, auto-irrigation, irrigation
Installation tip from Agras.ua:When assembling plastic threaded nodes, use professional sealing materials (FUM tape or sanitary thread Koer). Wind the sealant moderately and strictly clockwise. To avoid stripping the plastic threads, screw the valve tightly by hand, and if necessary, tighten it with a tool, being very careful and avoiding excessive lever effort.
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