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Ball valve plastic 1 1/2" VZ (internal-external thread) China
Ball valve plastic 1 1/2" VZ (internal-external thread) is a reliable, high-strength and economical element of full-bore shut-off valves. It is designed for regulating and shutting off water flows on distribution and main pipelines of automatic irrigation, drip irrigation and water supply systems. The model has a combined connection type: on one side there is an internal thread 1 1/2", on the other - an external thread 1 1/2". The valve is manufactured according to leading world standards (DIN / BS / ANSI), equipped with a smooth plastic ball for protection against corrosion and is designed for a high nominal pressure PN-16 (up to 16 bar)
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Full Product Description
Plastic ball valve 1 1/2" VZ (VN): Reliable shut-off valve for medium and high-pressure mains
Are you looking for a durable, corrosion-resistant, and affordable solution for shutting off water on main irrigation lines, collector nodes, or water supply mains? The plastic ball valve with a combined internal-external thread (VZ) of medium main diameter 1 1/2" (one and a half inches)is an ideal choice. Unlike heavy metal counterparts, this polymer valve is completely inert to moisture, does not rust, and is not damaged by aggressive chemical fertilizers that are often added to water during plant feeding.
The combined thread (internal on one side and external on the other) makes this valve extremely practical. It can be screwed directly into full-size threaded outlets (taps), collector tees, disc filters, or tanks without using additional intermediate nipples. This significantly saves the budget for purchasing additional fittings, makes the mounting node more compact, and minimizes the risk of water leakage at the joints.
Key advantages of the 1 1/2" VZ plastic valve:
High strength and working pressure (PN-16): The valve body is made of thick-walled high-density technical plastic, which can stably withstand a nominal pressure of up to 16 bar. It reliably handles hydraulic shocks and loads in lines powered by powerful main pumps.
Plastic shut-off mechanism: The internal ball is made of a special engineering plastic with a perfectly smooth surface. It is completely protected from "scaling" (lime, salt, or muddy deposits), which allows the valve handle to rotate smoothly and easily even after a long period of system downtime (e.g., during winter conservation).
Compliance with world 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: High-quality polymer resistant to direct sunlight and significant temperature fluctuations. The valve is suitable for both underground installation in plastic wells (boxes) and open street mounting in fields.
Scope of application:
Installation on a distribution main pipe for complete or partial shutdown of water supply to a collector node or a separate irrigation area.
Connection of main water filters, disc or mesh filters, and pumping stations.
Equipping nodes for blowing the system with compressed air and quick water drainage before winter cold snaps.
Organization of additional points of large disassembly of technical water on the site.
Technical characteristics:
Manufacturer / Country
China
Valve type
Ball, straight (full-bore)
Connection type
Internal - External thread (VZ / VN)
Thread size
1 1/2" (one and a half inches)
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 threaded connections with a diameter of 1 1/2", be sure to use high-quality sealing materials - dense FUM tape or professional sanitary thread Koer. Wind the sealant strictly clockwise on the external thread. To avoid damaging the plastic threads, screw the valve tightly by hand, and if necessary, tighten it very carefully, avoiding excessive force with large metal keys.
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