English

English

Get a Quote
Products

Hot Products

Company News

Dervos Becomes YPFB's Qualified Valve Supplier
Dervos Becomes YPFB's Qualified Valve Supplier
2025-07-16

YPFB (Yacimientos Petrolíferos Fiscales Bolivianos) as Bolivia's state-owned oil and gas company, plays a critical role in the exploration, production, and distribution of oil and natural gas across Bolivia. It has a strong commitment to quality and innovation. DERVOS VALVE is honored to have passed the qualification review and become one of contract valve suppliers of YPFB.   • Supplier Qualification Requirements for YPFB Becoming a supplier for YPFB requires meeting several stringent qualifications. YPFB looks for suppliers with a proven track record of reliability, technical expertise, and product quality. This includes compliance with international industry standards and certifications,along with the ability to provide high-performance products that meet the specific needs of Bolivia’s oil and gas industry. The process also involves submitting detailed technical documentation, including certifications, safety records,and previous successful project references.   •  Application Process to Become a YPFB Supplier The application process to become a certified supplier for YPFB is highly competitive and rigorous. The first step is to submit an official application, followed by a review of the company’s credentials. Dervos Valve underwent this process and provided comprehensive technical documentation, including product specifications and compliance with safety standards. Our team also participated in interviews and site visits, showcasing our manufacturing capabilities and commitment to quality. DERVOS VALVE will supply a range of valves to YPFB for use in their oil and gas operations, including high-performance ball valves, gate valves, globe valves, and check valves. These products are crucial for ensuring the safety and efficiency of operations in challenging conditions.   Dedicated to consistent product quality through daily operations, we ensure excellence in performance. Our ongoing commitment is providing partners with professional support and premium services, fostering mutual growth and win-win success.  

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.  

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
Globe Valve
Body 1.0619, DN50 PN16 Cast Steel Globe Valve, Handwheel, BS EN13709

DN50 PN16 cast steel globe valve is made according to BS EN 13709 standard. The valve body is made of EN 10213 1.0619. It has the structural characteristics of flat valve disc, body welded valve seat. Its connection mode is EN1092-1 B. And it has hand wheel operation mode.

Y Type Strainer F53 NPT BB
3/4" 150LB Y Type Strainer F53 NPT BB

3/4” 150LB Y Type Strainer is made according to ASME B16.34 standard. The valve body is made of F53. It has the structural characteristics of BB. Its connection mode is NPT.

ASME B16.34 Y Type Globe Valve
ASME B16.34 Y Type Globe Valve Plug Type Disc 4 inch CL150

Y type globe valve. CF8 body/bonnet, F304 disc/stem, SS304+flexible graphite gasket and bronze bolt and nut. Plug type disc and Raised face flange connection.  Quick Detail  Type Globe Valve Size 4 inch DesignPressure CL150 Construction Y Type Globe Valve Connection Type Raised Face Flange Connection Operation Handwheel Design Code ASME B16.34 Face to Face ASME B16.10 Test & Inspection  API 598 Body Material CF8 Temperature Range -29~538℃ Application WOG

Floating Ball Valve
DN25 PN40 Floating Ball Valve A105 ISO17292 Lever EN1092-1 B1

DN25 PN40 ball valve is made according to ISO17292 standard. The valve body is made of ASTM A105. It has the structural characteristics of floating ball and full bore. Its connection mode is EN 1092-1 B1. And it has lever operation mode.

Top Entry Ball Valve WCB Gearbox
High Pressure Top Entry Ball Valve 16 Inch 900LB

The top entry full port ball valve with drain, vent and sealant injection is designed as per API 6D. The high pressure ball valve has Class 900 raised face flange and gearbox. Quick Detail Type Ball Valve Size 16" Pressure ANSI 900 Construction 1 Piece Body, Top Entry, Bolted Bonnet Connection Flanged End Operation Mode Gearbox Body Material A216 WCB Design & Manufacture API 6D Pressure & Temp Code ASME B16.34 End to End ASME B16.10 End Connection ASME B16.5 Inspection API 6D, API 598 Temperature Range -29℃~+200℃ Medium Oil, Water, Gas Related Knowledge What is a top entry ball valve and its advantage? A top entry ball valve is the valve which we assemble from the top side. It has a one single piece body. The less thread connection on the valve body means less weight and leakage paths. Plus, we could have access to the ball part without removing it from the pipeline. The top entry ball valves are often used in the pipeline with less maintenance for internal parts. Inspection Reports For each order, Dervos will provide inspection reports to show you the whole inspection process and results. Plus, we will provide material report to let you know that the material we provide is as per standards.

API600 ALLOY STEEL 10'' 300LB GATE VALVE BB RF OS&Y
API600 ALLOY STEEL 10'' 300LB GATE VALVE BB RF OS&Y

10’’ 300LB gate valve is made according to API 600 standard. The valve body is made of ASTM A217 C5 + STL. It has the structural characteristics of rising stem and bolt cover. The gate valve connected by flange has the operation mode of hand wheel.

Globe Valve
DN50 PN40 Cast Steel Globe Valve 1.0619 EN13709 EN1092-1 B

DN50 PN40 globe valve is made according to BS EN 13709 standard. The valve body is made of EN 10213 1.0619. It has the structural characteristics of bolt cover and straight through type. Its connection mode is EN1092-1 B. And it has hand wheel operation mode.

Nozzle Check Valve
2 Inch 150LB Nozzle Check Valve LCB

The 2inch axial nozzle check valve is the preferred solution for preventing return flow or shocks on critical process equipment. Thank for its LCB body, the valve is capable for working temperature down to -46 degree Celsius.

Strainer
API598 6" 150LB Y Type Strainer RF C95800 ASME B16.34

6" 150LB Y type strainer is made according to ASME B16.34 standard. The valve body is made of ASTM B148 C95800. It has the structural characteristics of bonnet with 1/2 "FNPT plug. Its connection mode is RF.

Trap Valve
DN20 PN40 Cast Steel Steam Trap Valve DIN RF WCB

DN20 PN40 steam trap valve is made according to GB/T22654-2008 standard. The valve body is made of WCB. It has the structural characteristics of inverted bucket steam trap and model L881F. Its connection mode is RF.

Cryogenic Floating Ball Valve 4Inch 300LB RF Lever
Cryogenic Floating Ball Valve 4Inch 300LB RF Lever

The 4 inch cryogenic ball valve, designed as per API609, has many parts equipped RPTFE --It has the lowest coefficient of friction and the best corrosion resistance of any known plastic material, so that the valve can handle quite extreme situations.

V-port ball valves
150LB V ball valve Duplex Stainless Steel 4A

The 150LB ball valve, made of Duplex stainless steel 4A, has a special V port ball. The valve is particularly suitable for media containing fibers, tiny solid particles, slurry and so on. 

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