English

English

Get a Quote
Products

Hot Products

Company News

Valve Market 2025: Smart Upgrades and Infrastructure Investment Drive Global Growth
Valve Market 2025: Smart Upgrades and Infrastructure Investment Drive Global Growth
2025-10-24

The global industrial valve market is undergoing a quiet yet significant transformation. Growth is no longer driven mainly by new construction projects — instead, it’s increasingly fueled by the replacement and modernization of aging equipment and infrastructure. From petrochemical plants to municipal water systems and natural gas pipelines, valve upgrades have become a key priority across industries.   Aging Equipment Drives Rising Valve Replacement Demand   In many industrial facilities, valves—though seemingly durable—gradually suffer from seal wear, sluggish operation, and leakage after years of service. For plants operating over a decade, valve degradation has become a major factor affecting safety and efficiency.   With stronger focus on maintenance, process safety, and energy efficiency, end users in oil & gas, power, and water treatment sectors are accelerating valve replacement and upgrade projects. This trend aligns with a global shift toward predictive maintenance and sustainable operations, increasing demand for ball valves, gate valves, and control valves.   Market research from Mordor Intelligence and others shows a shorter valve replacement cycle due to rising maintenance costs and downtime risks. Stricter environmental and safety standards are also pushing faster modernization worldwide. In the U.S., for example, the water sector—with pipelines averaging over 40 years old—is investing in large-scale valve renewal programs to reduce leakage and unplanned shutdowns. Similar initiatives are emerging across Europe and Asia.   Infrastructure Investment Fuels Market Expansion   Beyond replacements, ongoing infrastructure investment continues to drive valve demand globally. Asia’s rapid industrial growth and the Middle East’s refining and petrochemical expansion have led to increased valve procurement.   According to GMI Insights, the global industrial valve market reached USD 75.9 billion in 2024 and is projected to hit USD 142.6 billion by 2034 (CAGR: 6.6%). Precedence Research forecasts even higher potential—up to 12.5% CAGR.   This growth is backed by large-scale upgrades in urban water networks, wastewater treatment plants, natural gas pipelines, and energy transition projects such as hydrogen and carbon capture systems, all requiring next-generation high-performance valves.   Valve Replacement Becomes a Smart Technology Upgrade   Modern valves are evolving beyond mechanical parts. With smart manufacturing and the Industrial Internet of Things (IIoT), today’s valves feature sensors, smart actuators, and remote monitoring. Engineers can now track performance in real time and conduct predictive maintenance, reducing unexpected downtime.   Advanced materials like corrosion-resistant alloys, cryogenic steels, and special polymers are extending service life and reliability—especially in harsh environments. For indu...

Top 10 Chinese Valve Manufacturers Selected for 2025
Top 10 Chinese Valve Manufacturers Selected for 2025
2025-09-30

Based on publicly available industry data, company websites, and authoritative rankings in 2025, this article selects ten Chinese valve manufacturers that are representative in terms of technology, production capacity, qualifications, and market performance. The ranking emphasizes overall corporate capability and market influence, aiming to provide a reference for procurement and engineering selection.   Suzhou Neway Valve Co., Ltd. (Brand: NEWAY) Neway is one of the few domestic valve manufacturers capable of serving high-end applications such as deep-sea, LNG, and nuclear power. The company possesses comprehensive technology and international certifications, with outstanding production capacity and project support capabilities. It holds a significant share in large-scale projects and export markets, making it a representative of leading domestic valve enterprises.     DERVOS VALVE (Brand: DERVOS VALVE) DERVOSVALVE' s product line covers a full range of valves, including ball valves, butterfly valves, gate valves, globe valves, and check valves. The company holds comprehensive technology and international certifications, ensuring its products meet the requirements of various operating conditions and markets. With in-house manufacturing capabilities and first-class supply strength, DERVOS VALVE can offer customers excellent delivery speed and consistent quality assurance. The company supports orders starting from a single unit (MOQ≧1) and provides one-stop services from inquiry and quality inspection to final delivery.     Lianggu Valve Group Co., Ltd. (Brand: Lianggu) Lianggu specializes in forging, casting, and CNC machining, offering a comprehensive range of valve specifications across multiple manufacturing sites and its own casting and forging facilities. The company is well-suited for mid-to-high-end engineering projects and maintains stable clients and standardized capabilities in sectors such as nuclear power and petrochemicals.     CNNC Suzhou Valve Technology & Industrial Co., Ltd. (Brand: CNNC Su Valve) CNNC Su Valve originates from the state-owned system and has long been responsible for supplying valves for nuclear power and major engineering projects. Its qualifications and testing capabilities are among the industry' s leading standards. The company possesses irreplaceable engineering experience in high-integrity and specialty valves.     Suzhou Dawson Drilling & Production Equipment Co., Ltd. Founded in 2006, the company primarily manufactures oil and gas drilling and production equipment as well as valve products. Its products are widely used in the energy sector, including oil and natural gas. With strong R&D and manufacturing capabilities, Dawson maintains a stable position in both the drilling equipment and industrial valve markets.   Zhejiang KCM Valve Co., Ltd. (KCM Valve) KCM Valve has long focused on the research and manufacturing of marine valves. Its products ...

When Should a Check Valve Not Be Used?
When Should a Check Valve Not Be Used?
2025-09-26

Have you ever encountered repeated fluid shocks, frequent valve cycling, or excessive noise in your pipeline system? If a check valve is not selected properly, issues such as leakage, valve damage, or fluid hammer can occur. While check valves are effective at preventing backflow, they are not suitable for all operating conditions. The following cases require special attention:   High-frequency opening and closing conditions Check valves rely on the disc or flap to close automatically. If the medium in the pipeline flows frequently or the valve cycles too often, impact, water hammer, or vibration may occur, shortening the valve’s service life. In such cases, consider using spring-loaded or damped check valves, or even other valve types better suited to the application.   High-viscosity fluids or media with solid particles Thick fluids or those containing solids can prevent the valve disc from closing fully, increasing the risk of leakage. For slurries, mud, or liquids with a high concentration of particles, specialized valves or additional filtration equipment should be used instead.   High-pressure systems In high-pressure applications, the valve disc is subject to strong impacts and repeated collisions, which can cause wear on the sealing surfaces or structural damage. For such environments, more robust backflow prevention solutions should be considered.   Systems Sensitive to Pressure or Flow Variations When a check valve closes, it may cause pressure loss or flow fluctuations. If the system is highly sensitive to such variations, careful evaluation of the valve type and installation location is required to avoid negative impacts on overall pipeline performance.   Conclusion A check valve is an essential device for preventing backflow, but it should be used with caution in certain operating conditions such as high-frequency cycling, high-viscosity fluids, high-pressure systems, or applications sensitive to flow variations. By properly assessing the pipeline operating conditions and fluid characteristics, you can ensure the check valve performs at its best, extends service life, and reduces maintenance costs.

Ductile Iron Gate Valve
加载中...

DN450 PN16 Ductile Iron Gate Valve GGG50 RF DIN

DN450 PN16 ductile iron gate valve is made according to DIN standard. The valve body is made of GGG50. It has the structural characteristics of F4 drinking water soft valve, and structural length of 330mm. Its connection mode is RF. And it has hand wheel operation mode.

  • Payment:

    30% when order confirmed, 70% before shipment
  • Product Origin:

    China
  • Color:

    Customization
  • Shipping Port:

    Shanghai, China
  • Lead Time:

    30~60 days Ex Works after order confirmation
  • Material:

    Ductile Iron
  • Method of Operation:

    Hand Wheel
Inquiry now
Product Detail

Product Description

Type

Ductile Iron Gate Valve

Size

DN450

Pressure

PN16

Connection

RF

Operation

Hand Wheel

Body Material

Ductile Iron

Design Norm

DIN

Applicable Medium

Water, Oil and Gas

Features

1. Ductile iron gate valves are known for their high tensile strength and durability, making them suitable for demanding applications.

2. Ductile iron gate valves are ideal for use in harsh environments where they might be exposed to corrosive substances.

Technical Drawing

Dimension Checking

Pressure Testing

Nameplate & Packing

Inspection report

Leave A Message

If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Related Products
Plug Valve
2" 150LB Four Way Plug Valve API599 WCB RF Multi Way

2" 150LB plug valve is made according to API 599 standard. The valve body is made of A216 WCB. It has the structural characteristics of four way and bolt cover. Its connection mode is RF. And it has turbine operation mode.

Ball Valve
API6D 2" 300LB Floating Ball Valve RF WCB Lever

2" 300LB ball valve is made according to API 6D standard. The valve body is made of A216 WCB. It has the structural characteristics of full bore, floating ball, anti-fire, anti-static, and anti-flying valve stem design. Its connection mode is RF. And it has lever operation mode.

Floating Ball Valve
2 inch CL300 2PC Floating Ball Valve Full Bore 1/2" NPT(F) X 2" RF

The 3000LB ball valve, made of F316 or F316L, has an asymmetric end structure, a end is NPT while another RF. It is capable to work under -29℃~150℃.

6 Inch Dual Check Valve
Wafer Check Valve AL Bronze C95800 Dual Disc 6 Inch

The dual disc wafer check valve is designed as per API 594 and tested per API 598. The bronze non return valve is applicable for sea water. Quick Detail Type Check Valve Size 6'' DesignPressure Class 150 Construction Dual Plate Type, With Retainer Connection Wafer Type Design & Manufacture API 594 End to End ASME B16.10 Connection ASME B16.5 Pressure & Temp ASME B16.34 Test & Inspection API 598 Body Material Aluminum Bronze C95800 Trim Material Aluminum Bronze C95800 Media W.O.G. Dervos Inspection after Valve Assembly Valve quality is one of perspectives we care about most. In Dervos, quality control starts from raw material, machining, assembly to pre-shipment inspection. After assembly, the quality checking team will do visual checking, dimension checking, hydraulic testing and air testing. Every order must pass the test per inspection standards. Otherwise our quality checking team will not release the shipment. Inspection Reports Documents can be used to prove how we control valve quality. Along with every order, Dervos will provide clients with an inspection report & a 3.1 mill test report for free. In Dervos inspection report, you will see the actual results of dimension checking and pressure testing along with painting and packing picture. All these info are shown through data and clear pictures.   In 3.1 mill test report, we will show you the chemical composition, mechanical property and heat number for valve body, bonnet, stem, disc and so on.  

Ball Valve
NPT Connection, 3/4" 1500LB Floating Ball Valve, Body F316, Lever

3/4" 1500LB floating ball valve is made according to ASME B16.34 standard. The valve body is made of A182 F316. It has the structural characteristics of 3-piece, floating ball, full bore, anti-fire, anti-static, and anti-flying valve stem design. Its connection mode is NPT. And it has lever operation mode.

6 300LB Axial Flow Check Valve, Wafer Type, Body SS2205
6" 300LB Axial Flow Check Valve, Wafer Type, Body SS2205, API594

6" 300LB Axial Flow Check valve is made according to API594 standard. The valve body is made of SS2205. It has the structural characteristics of Silent type. Its connection mode is Wafer Type.

Butterfly Valve
DN250 PN10 Three Eccentric Butterfly Valve Wafer WCB EN593 Turbine

DN250 PN10 butterfly valve is made according to EN593 standard. The valve body is made of ASTM A216 WCB. It has the structural characteristics of three eccentricities, bidirectional one to one pressure test. Its connection mode is wafer. And it has turbine operation mode.

2 Piece Floating Ball Valve WCB 150LB 4Inch Reduced Bore
2 Piece Floating Ball Valve WCB 150LB 4Inch Reduced Bore

The 2-piece floating ball valve, made in accordance with API 6A, has a design of reduced bore, fire safe design, anti blowout stem. With the RPTFE seat and PTFE O ring, the 4 inch WCB valve is certificate to serve you.

2 Inch 600LB API6D Ball Valve RF Full Bore 2 piece type
2 Inch 600LB API6D Ball Valve RF Full Bore 2 piece type

The forged steel ball valve is made of A105 body and 17-4PH trim with RTJ flange end and lever operation. This floating ball valve features reliable sealing performance and easy operation.

Pressure-Seal Bonnet Check Valve, ASTM A105N, 1 Inch, Class 1500
Pressure-Seal Bonnet Check Valve, ASTM A105N, 1 Inch, Class 1500

High Pressure Check Valve Supplier in China Offers Pressure-Seal Bonnet Check Valve, ASTM A105N, 1 Inch, Class 1500 LB, Forged Steel Lift Check Valve.

Wafer Check Valve
Body F316, 2" 1500LB Dual Plate Wafer Type Check Valve, RF, API594

2" 1500LB wafer check valve is made according to API 594 standard. The valve body is made of A182 F316+STL 6. It has the structural characteristics of double disc, wafer type and built-in type. Its connection mode is RF.

Axial Flow Check Valve
2”CL150 Axial Flow Check Valve RF API6D

2”CL150 Axial Flow Check Valve is made according to API 6D standard. The valve body is made of ASTM A352 LCB+316SS. It has the structural characteristics of axial flow. Its connection mode is RF.

Leave a message

    If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Home

Products

about

contact