Professional Fluid Control Solutions for Global Industry

Premium butterfly valves, check valves, gate valves and strainers — trusted by clients in water treatment, desalination, oil & gas, and chemical industries worldwide.

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About ZNX VALVE

Founded in 2005 in Tianjin, China, ZNX VALVE CO., LTD has grown from a small workshop into a leading manufacturer of industrial valves. We specialize in the design, production and export of high-quality fluid control equipment.

Today, with a 7,000 square meter modern manufacturing facility and a dedicated team of 120 skilled professionals, we serve customers across more than 30 countries worldwide. Our commitment to quality, innovation and customer satisfaction has made us a trusted partner in fluid control solutions.

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ZNX Valve Manufacturing Factory - Aerial View

20+

Years of Experience

120

Skilled Employees

7,000

Sqm Factory

30+

Countries Served

Our Main Products

Four core product lines serving water treatment, oil & gas, chemical, power generation, and general industrial applications worldwide.

Butterfly Valves

Wafer and lug type butterfly valves with ductile iron body, EPDM or NBR seats, suitable for PN10/16 and ANSI 150 systems.

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Check Valves

Swing, dual-plate and wafer check valves designed to prevent backflow in pipelines. Available in cast iron and stainless steel.

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Gate Valves

Resilient seated and metal seated gate valves with rising or non-rising stem, ideal for water supply and fire protection systems.

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Strainers

Y-type and basket strainers with stainless steel screens, protecting pumps, meters, valves and equipment from pipeline debris.

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Why Choose ZNX

Two decades of expertise delivering reliable fluid control solutions to industries around the world.

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OEM & ODM Service

Custom manufacturing according to your specifications, with flexible MOQ and professional engineering support.

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Strict Quality Control

ISO 9001 certified manufacturing process, 100% pressure testing on every valve before shipment.

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Fast Delivery

Standard products in stock. Custom orders delivered within 30-45 days with reliable global logistics.

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Global After-Sales

12-month quality warranty. Technical support in English, Russian and Spanish, 24/7 response.

Industry Applications

ZNX valves are trusted by engineers worldwide in the most demanding industries — from seawater desalination to high-rise construction.

Seawater Desalination

High-pressure butterfly valves and strainers for RO systems, intake and outfall lines.

Wastewater Treatment

Resilient seated gate and check valves for municipal and industrial sewage plants.

Building Construction

Plumbing, HVAC, fire protection valves for high-rise buildings and infrastructure.

Oil & Gas

API 600 gate valves, check valves and pipeline strainers for upstream, midstream and downstream.

Municipal Water Supply

Ductile iron gate valves and butterfly valves for water distribution networks.

Power Generation

High-performance valves for cooling water, ash handling and steam service.

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Latest News & Insights

Industry knowledge, product updates and company activities from ZNX VALVE.

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Download Our Product Catalog

Get the complete ZNX product brochure with detailed specifications, dimensions, materials and applications. Available in PDF format.

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