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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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Our Main Products

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

Butterfly Valve - Wafer and Lug Type - ZNX Fluid Control

Butterfly Valves

Wafer, lug and double-flanged butterfly valves with ductile iron body, EPDM/NBR/PTFE seats. PN10/16 and ANSI 150 systems, DN50-DN1200.

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Check Valve - Dual Plate Wafer Type - ZNX Fluid Control

Check Valves

Dual-plate wafer and swing check valves with epoxy-coated body, SS316 discs and NBR/EPDM/PTFE seats. Prevents backflow in water, oil & gas lines.

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Gate Valve - Resilient Seated Flanged - ZNX Fluid Control

Gate Valves

Resilient seated and metal seated gate valves with rising or non-rising stem, EPDM encapsulated wedge. Ideal for water supply, fire protection and wastewater.

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Industrial Valve - Heavy Duty Wafer Butterfly - ZNX Fluid Control

Industrial Valves

Heavy-duty wafer butterfly valves designed for industrial pipelines, mining, slurry service and OEM skid packages. Lockable handle, 10-position notch.

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Y Type Strainer - Flanged - ZNX Fluid Control

Y Type Strainers

Flanged Y-type strainers with SS304/SS316 perforated screens. Removes debris from water, steam, oil and chemical lines; protects pumps, meters and valves.

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Rubber Joint / Expansion Bellow - ZNX Fluid Control

Rubber Joints

Single and double-sphere flexible rubber expansion joints with galvanized steel flanges. Absorbs vibration, noise and thermal expansion in pumping systems.

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PTFE Coated Butterfly Valve - ZNX Fluid Control

PTFE Coated Valves

PTFE/PFA-perfluoro lined butterfly valves for strong acids, alkalis and aggressive chemicals. Wafer type, ductile iron body, fully encapsulated seat.

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UPVC Plastic Butterfly Valve - ZNX Fluid Control

UPVC Valves

UPVC/PVC wafer butterfly valves for swimming pools, aquaculture, irrigation and chemical dosing. Corrosion-proof plastic body, EPDM seals.

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About ZNX FLUID CONTROL

Founded in 2005 in Tianjin, China, ZNX FLUID CONTROL 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 Fluid Control Manufacturing Factory - Aerial View
20+
Years of Experience
120
Skilled Employees
7,000
Sqm Factory
30+
Countries Served

Why Choose ZNX

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

★

OEM & ODM Service

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

✓

Strict Quality Control

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

⏱

Fast Delivery

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

☎

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

Seawater Desalination

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

Wastewater Treatment

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

Building Construction

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

Oil & Gas

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

Municipal Water Supply

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

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 FLUID CONTROL.

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Free Download

2026 Product Catalog

Complete specifications, dimensions, materials and applications for our butterfly valves, check valves, gate valves and strainers.

  • 9 pages of detailed technical data
  • Full series breakdowns and material options
  • Suitable for water, oil, gas, chemical & HVAC
⬇ Download Catalog (PDF) PDF · 6 MB · 9 pages
Butterfly Valve Butterfly Valves
Check Valve Check Valves
Gate Valve Gate Valves
Industrial Valve Industrial Valves
Y Type Strainer Y Type Strainers
Rubber Joint Rubber Joints
PTFE Coated Valve PTFE Coated Valves
UPVC Valve UPVC Valves