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Global Partners Reunite to Celebrate Dervos' 17th Anniversary Milestone
Global Partners Reunite to Celebrate Dervos' 17th Anniversary Milestone
2025-07-03

To mark this milestone in Dervos Valve’s journey, we came together not just to celebrate, but to connect with the partners who have supported us along the way. This anniversary is a tribute to enduring partnerships and a sha- red vision for the future.   On the occasion of Dervos Valve’s 17th anniversary, our valued partners were specially invited to visit our headquarters for in-depth, face-to-face exchanges with the team. These meaningful interactions deep- ened mutual understanding andtrust, laying a solid foundation for even stronger cooperation in the future.   Accompanied by our team, the clients toured the office area and were introduced to colleagues from various departments. The interactions were relaxed and friendly, creating a warm atmosphere that further strengthened mutual understanding. Following the tour, our sales team delivered a themed presentation on “Dervos 17th Anniversary,” offering the clients a comprehensive overview of the company's development journey, core strengths, and service philosophy. We also expres- sed our heartfelt gratitude and warm welcome to our valued partners. Through this session, the clients gained a deeper understanding of Dervos, enabling us to better tailor our services to their needs. They expressed strong appreciation for Dervos’ steady growth and thanked us for inviting them to be part of this meaningful celebration.   In front of the company’s cultural wall, clients took a moment to sign and leave messages, expressing their well wishes for Dervos. This moment not only reflected cultural recognition but also a genuine expression of the emotional bond and trust shared through our partnership.   Next, we arrived at the highlight of the anniversary celebration— the Dervos Valve 17th Anniversary Gala Dinner, a moment of gratitude and shared celebration. We arranged a visit to the "Yu Jian Minnan" Cultural Park for our clients, where they explored the ancient architectu- ral district and experienced the traditional art of rubbings, immersing themselves in the charm and craftsman- ship of Chinese culture.   In the evening, a red carpet was laid out in front of the hotel, where the Dervos team warmly welcomed guests, coming together with partners from around the world to witness this moment of honor. As the lights came on, the anniversary gala dinner officially began. The venue was decorated in a grand and festive style, with a warm and lively atmosphere. The event kicked off with a performance that blended both Eastern and Western cultures,featuring a lineup of classic foreign songs and traditional Chinese pieces, showcasing Dervos' open and inclusive brand spirit, with a global outlook. During the interactive games and lucky draw sessions, guests actively participated and enjoyed themselves, with laughter and joy filling the air. This lively atmosphere showcased the cohesion and energy of the Dervos team.   As the familiar melo...

 Global Partners Go Together to Celebrate Its 17th Anniversary, Starting in Historic Xi' an
Global Partners Go Together to Celebrate Its 17th Anniversary, Starting in Historic Xi' an
2025-07-03

On the occasion of Dervos Valve’s 17th anniversary, we proudly continued our tradition by inviting partners from Australia, Turkey, Italy, Russia, Argentina, South Africa, the United States, and other countries to gather in the ancient city of Xi’an to witness this milestone together. This event was not only a continuation of long-standing partnerships but also a testament to mutual trust.     Dervos warmly welcomed our global partners, and through in-depth exchanges, both sides further deepened cooperation and understanding. The gathering showcased Dervos’ openness as a global valve brand and its confidence in sharing Chinese culture.   To help our overseas guests gain deeper insights into Chinese heritage, we thoughtfully organized a cultural tour of Xi’an. Highlights included visits to the UNESCO-listed Terracotta Warriors, a walk atop the ancient city wall, scenic views at the Giant Wild Goose Pagoda,and hands-on experiences such as trying on traditional Hanfu attire—activities that were greatly enjoyed by our international friends.   In front of the Terracotta Army of Emperor Qin Shi Huang, our guests were deeply impressed and inspired as they carefully admired the grandeur of this underground legion. Captivated by its majestic scale and historical significance, they took group photos to commemorate the moment—creating unforgettable memories of thisawe-inspiring experience.     Guests strolled leisurely beneath the Xi’an City Wall, taking photos and sharing conversations, while enjoying the rich blend of history and culture that surrounds this ancient landmark.     Guests strolled leisurely beneath the Giant Wild Goose Pagoda, soaking in the unique charm of Xi’an where history and culture intertwine.     Our international guests enthusiastically took part in trying on traditional Hanfu and sampling Xi’an’s signature local cuisine. They frequently paused for photos, fully immersed in the authentic cultural atmosphere.     The first leg of Dervos’ 17th anniversary celebration came to a successful close, leaving every participant with joyful memories. More than just a journey, the Xi’an visit deepened the trust and friendship between Dervos and its global partners.   The Xi’an journey marks only the beginning of Dervos’ 17th anniversary celebrations—more exciting events are on the way. We sincerely thank every partner for your continued support. Let us witness our growth together and stride toward a broader, brighter future.  

High-Performance Triple Offset Metal Seated Butterfly Valve with Gearbox Applied in a Large Copper-Gold Mine Project in Indonesia
High-Performance Triple Offset Metal Seated Butterfly Valve with Gearbox Applied in a Large Copper-Gold Mine Project in Indonesia
2025-06-27

In a major copper-gold mining project in Indonesia, DERVOS supplied multiple high-performance triple offset metal seated C95500 butterfly valves, which were applied in slurry transportation and process pipeline systems. The operating conditions on site are highly challenging, with media containing a large number of solid particles, posing significant risks of abrasion and corrosion. The valves were required to offer excellent wear resistance, corrosion resistance, and bidirectional zero leakage sealing performance.   As a professional triple offset butterfly valve supplier, DERVOS VALVE provided a customized solution tailored to the client’s specific needs, ensuring stable system operation even in such harsh environments. Client Need In a large-scale copper-gold mining project in Indonesia, DERVOS supplied multiple high-performance C95500 triple offset metal seated butterfly valves, specifically engineered for slurry transportation and process pipeline systems. The site presented extremely demanding conditions, with media containing high concentrations of solid particles—posing serious challenges related to abrasion and corrosion. To meet these requirements, the valves were designed to deliver exceptional wear resistance, corrosion resistance, and bidirectional zero-leakage sealing performance.   As a trusted triple offset butterfly valve manufacturer, DERVOS VALVE delivered a customized valve solution precisely tailored to the client's operational needs, ensuring long-term reliability and stable system performance under harsh industrial environments.   Devos Solution DERVOS custom-engineered triple offset nickel-aluminum bronze metal seated butterfly valves for this project, featuring C95500 nickel-aluminum bronze valve bodies and F53+STL hard-faced welded seats, specifically designed for highly corrosive and abrasive environments.   Triple Offset Butterfly Valve – DN900/DN1500, 150LB, FF, API 609 Standard • Size: DN900 • Pressure Rating: 150LB • Design Features: Triple offset structure with bidirectional, zero-leakage • sealing under equal pressure.• Equipped with independent seat material: F53 + STL hard-facing. Operated via gear box. Connection Type: FF (Flat Face) dual flange ends. • Special Requirements:    Face-to-face dimension per ISO 5752 (short pattern)    Heat-treated and annealed castings   Excellent Wear and Corrosion Resistance The valve body is made of C95500 nickel-aluminum bronze, known for its high strength, hardness, and outstanding wear resistance. It also offers excellent resistance to cavitation erosion and flow-induced corrosion.In addition, C95500 exhibits good ductility and toughness—maintaining high mechanical strength while providing a certain degree of plasticity and impact resistance, which helps prevent brittle failure.It demonstrates superior corrosion resistance in harsh media such as slurry, brine, an...

BALL VALVE

DERVOS Ball valves have the advantages of small torque value, smooth channel, good sealing performance and easy operation. It is easy to realize automatic control and remote control.

 

As a leading ball valve manufacturer in China, DERVOS offers a wide range of products designed for diverse industrial applications, Whatever your requirements, you can find the right solution with us.

 

Typically, our lead time is 30 to 60 days Ex Works after order confirmation. To meet urgent customer demands, we also keep products readily available in stock for immediate delivery. This makes our products a trusted choice for importers, distributors, and end-users, solidifying our reputation as a reliable ball valve brand in China.


Ball Valve Category

  • #
    Cryogenic Ball Valve
    Designed for low temperature offering:  
    · Temperature range: -196°C to -50°C  
    · Size range: 1/2'' to 24'' (DN15 to DN600)  
    · Pressure range: Class 150 to 2500 (PN16 to PN400)  
  • #
    Fully Welded Ball Valve
    1 piece welded body, 2-piece, 3-piece welded body ,featuring:  
    · Size range: 2'' to 32'' (DN50 to DN800)  
    · Pressure range: Class 150 to 2500 (PN16 to PN400)  
  • #
    Twin Ball DBB Valve
    Provide reliable double block and bleed functionality for critical applications, offering:
    · Size range: 2'' to 24'' (DN50 to DN600)
    · Pressure range: Class 150 to 2500 (PN16 to PN400)
  • #
    Lined Ball Valve
    100 % positive isolation, no line spreading required, offering:  
    · Size range: 1/2'' to 24'' (DN15 to DN600)  
    · Pressure range: Class 150 to 300 (PN6 to PN25)  
  • #
    High Pressure Ball Valve
    ball valve 2000 psi, 3000psi, 5000 psi, ensure reliability under extreme pressures, with:  
    · Size range: 1/2'' to 48'' (DN15 to DN1200)  
    · Pressure range: Class 600 to 2500 (PN100 to PN400)  
  • #
    Multi Way Ball Valve
    Offer versatile flow control with 2-way, 3-way, or 4-way ball valves, with:  
    · Size range: 1'' to 24'' (DN25 to DN600)
    · Pressure range: Class 150 to 2500 (PN16 to PN400)
  • #
    Trunnion Mounted Ball Valve
    Built for high-pressure stability and low operating torque, featuring:  
    · Size range: 1'' to 60'' (DN25 to DN1500)  
    · Pressure range: Class 150 to 2500 (PN16 to PN400)  
  • #
    Top Entry Ball Valve
    Designed for easy in-line valve maintenance, offering:  
    · Size range: 2'' to 60'' (DN50 to DN1500)  
    · Pressure range: Class 150 to 2500 (PN16 to PN400)  
  • #
    Floating Ball Valve
    Provide excellent sealing through the self-centering action of the ball under pressure, offering:  
    · Size range: 1/2'' to 8'' (DN15 to DN200)  
    · Pressure range: Class 150 to 300 (PN6 to PN40)  


Size, Pressure and Material Range of Ball Valves

 

Size: from 1/4'' to 60'' (from DN 6 to DN 1500)

Pressure: from Class 150 to Class 2500 (from PN 10 to PN 400)

Material: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Stainless Steel, Nickel Alloy, Ceramic, etc.


Features of Ball Valves

 

1. Low Fluid Resistance for Efficient Flow

The full-bore design minimizes pressure drops, making ball valves ideal for high-flow applications.

2. Exceptional Sealing Performance

Soft or metal seals provide reliable bidirectional sealing, suitable for high-pressure and high-temperature environments.

3. Quick and Simple Operation

Requires only a 90° turn to fully open or close, enabling fast and easy operation.

4. Compact Design for Space Savings

Lightweight and compact, ball valves are ideal for tight installation spaces and reduce pipeline load.

5. Automation-Friendly

Compatible with pneumatic and electric actuators for seamless integration into automated systems.

6. Various Operation Modes Available

Ball valve electric actuator, gear operated ball valve, pneumatic ball valve actuator, manual ball valve, lever operated ball valves, hydraulic operation, combined operation, etc.

7. Various Connection Modes Available

Flanged ends connection, threaded connection, ball valve npt thread, butt welded connection, socket welded connection, wafer connection, etc.


Ball valve Application

 

1. Oil and Gas Industry

Ball valves for the oil and gas industry, suitable for oil and gas transportation, tank isolation, and pigging operations.

2. Chemical and Pharmaceutical Industry

Suitable for the handling of corrosive media and integration into reaction systems.

3. Power Industry

Suitable for steam transport, cooling water systems, and auxiliary systems in power generation equipment.

4. Water Treatment and Environmental Protection Projects

Suitable for municipal water supply, wastewater treatment, desalination projects, and pollution control systems.

5. Building and HVAC Systems

Suitable for water supply, heating, and air conditioning systems.


 
Ball Valve Application Cases
DERVOS provides high performance ball valves for MOL's refinery in Hungary, delivering reliable, customized solutions. MOL praises DERVOS for its quality, durability, and exceptional performance. READ MORE

Ball Valve FAQS

 

What is a top entry ball valve?

Is a ball valve a shut-off valve?

Does A Ball Valve Need to be Fully Open?

Why Does the Ball Valve Leak?

Comparison and Analysis of Orbit Ball Valves and Conventional Ball Valves

Common Faults and Solutions of Y-shaped Ball Valve

How to Choose A Ball Valve? Advantages of Ball Valves?

 


Tags

api 6d ball valve | high temperature ball valves | pneumatic actuated ball valves | jacket ball valve | cast steel ball valve | large size ball valve | fully welded ball valve in stock | stainless ball valve | API 607 ball valve | API 608 ball valve | ISO 17292 ball valve | ISO14313 ball valve

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