English

English

Get a Quote
Products

Hot Products

Company News

What is a Tilting Disc Check Valve?
What is a Tilting Disc Check Valve?
2024-05-08

The tilting disc check valve is a common type of valve used in pipeline systems to prevent reverse flow of the medium. It typically consists of components such as the valve body, disc, spring, and sealing gasket. The working principle of the tilting disc check valve is based on the design of the disc: the disc is positioned at an angle, allowing the medium to flow smoothly through the valve in the forward direction, while swiftly closing the valve in the event of reverse flow, thereby preventing backflow of the medium. One of the characteristics of the tilting disc check valve is its simple structure. Due to the fewer components and compact layout, manufacturing and maintenance are relatively easy. Additionally, the tilting disc check valve has the capability of quick closure. When there is a change in the flow direction of the medium, the disc promptly responds and closes the valve, effectively preventing backflow of the medium and maintaining the normal operation of the pipeline system. Another significant feature is its excellent sealing performance. The tilting disc check valve employs devices such as springs to assist in closing the disc, ensuring effective sealing of the valve in the closed position, thus preventing medium leakage and safeguarding the safe operation of the pipeline system. Furthermore, tilting disc check valves are typically manufactured using corrosion-resistant materials, enabling them to operate stably in corrosive media over the long term. Another notable feature of the tilting disc check valve is its wide range of applications. It is suitable for various media, including liquids, gases, and steam, and is widely used in industries such as water supply, drainage, chemical, and petroleum. Whether in low-pressure systems or high-pressure systems, tilting disc check valves can reliably prevent medium backflow, protecting the safety operation of pipelines and equipment. In summary, the tilting disc check valve plays a crucial role in pipeline systems due to its characteristics of simple structure, rapid closure, excellent sealing performance, corrosion resistance, and wide applicability. When designing and selecting valves, considering factors such as the working pressure of the pipeline system, characteristics of the medium, and operating environment, choosing the appropriate tilting disc check valve can effectively enhance the safety and stability of the pipeline system.

Specific Requirements for Installing Fully Welded Ball Valves in Underground Pipelines
Specific Requirements for Installing Fully Welded Ball Valves in Underground Pipelines
2024-04-29

The installation requirements of fully welded ball valves in underground pipelines are crucial, as the unique characteristics of the underground environment pose higher demands on the performance and safety of the valves. Proper installation not only ensures the normal operation of the valves but also prolongs their service life and enhances the safety and reliability of the pipeline system. The following are the specific requirements for installing fully welded ball valves in underground pipelines: 1. Selecting the appropriate valve type When installing fully welded ball valves in underground pipelines, it is necessary to choose the appropriate valve type based on the operating conditions and fluid characteristics of the pipeline system. Fully welded ball valves, with advantages such as simple structure and reliable sealing, are suitable for high-pressure, high-temperature, and corrosive fluid applications in pipeline systems. 2. Underground burial depth consideration When installing fully welded ball valves, it is imperative to consider the depth of underground burial. Typically, the burial depth of underground pipelines should comply with relevant standards and specifications to ensure the valves are positioned securely while facilitating maintenance and operation. 3. Corrosion protection measures The dampness of the underground environment and the presence of chemicals in the soil can lead to corrosion and damage to valves. Therefore, when installing fully welded ball valves, it is necessary to implement appropriate corrosion protection measures. This includes selecting valves manufactured from corrosion-resistant materials and applying corrosion-resistant coatings to the valves to extend their service life. 4. Sealing performance requirements Fully welded ball valves in underground pipeline systems must possess excellent sealing performance to prevent fluid leakage and contamination of groundwater sources. During installation, it is imperative to ensure that the valve's sealing components are intact and properly installed to ensure that the sealing performance meets design requirements. 5. Consideration of groundwater level fluctuations Fluctuations in groundwater levels may affect the operational status and safety of fully welded ball valves. When selecting installation locations, it is essential to consider the range of groundwater level fluctuations and implement corresponding waterproofing measures to prevent groundwater from affecting the valves. 6. Regular inspection and maintenance The underground environment has a significant impact on fully welded ball valves; therefore, regular inspection and maintenance of the valves are essential. Inspection tasks include assessing the sealing performance of the valves, checking the condition of moving parts, evaluating the effectiveness of corrosion protection measures, and promptly addressing any issues to ensure the safe operation of the valves. When installing fully welded ball valves in unde...

Embarking on a New Chapter: DERVOS Relocates to Channel Pearl Plaza
Embarking on a New Chapter: DERVOS Relocates to Channel Pearl Plaza
2024-04-26

We are delighted to announce that our company is on the brink of a new beginning - the acquisition of a new office space. This marks a fresh start for our company's development, and we eagerly anticipate crafting a brighter future in this new environment. The selected location enjoys excellent geographic positioning, convenient transportation, and a pleasant environment. The choice of our new office space has been meticulously considered, aiming to provide our employees with a spacious and comfortable working environment while offering ample support and motivation for the company's development. Starting from April 15, 2024, our office address will be changed to: [Unit 3104, Channel Pearl Plaza, No.99 Yilan Road, Siming District, 361008, Xiamen City, Fujian Province, China]。This relocation is not only a natural choice for the continued development of our company, but also a testament to our confidence and aspirations for the future. The utilization of the new premises will further enhance internal collaboration and communication within the company, ignite the creativity and vitality of our team, and elevate our efficiency and service standards. We aim to deliver even higher-quality products and services to our customers and partners as a result. Finally, we would like to express our heartfelt gratitude for your long-standing support and trust in our company. We believe that this new beginning will bring forth fresh hope and opportunities. We will continue to uphold the principle of 'Customer First, Innovative Development', striving for excellence and working towards our long-term corporate goals. Let us join hands and work together to create a brighter future.

Gate Valve
加载中...

10''/ 12''/ 24'' 600LB Flat Gate Valve API6D RF

10’’ ~ 24’’ 600LB gate valve is made according to API 6D standard. The valve body is made of A516 Gr70. It has the structural characteristics of parallel gate. The operation mode is gear operation.

  • 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:

    A516 Gr70
  • Method of Operation:

    Gear Operation
Inquiry now
Product Detail

Product Description

Type

Flat Gate Valve

Size

10’’ ~ 24’’

Pressure

600LB

Connection

RF

Operation

G.O

Body Material

A516 Gr70

Design Norm

API 6D

End to End

API 6D

End connection

ASME B16.5

Test & Inspection Code

API 6D

Temperature

-29 ~ 120°C

Applicable Medium

Water, Oil and Gas

Features

1. The middle flange is widened and stiffened to strengthen the strength of the middle flange and prevent pressure deformation;

2. After the middle flange is processed into a groove surface, we put in the gasket to prevent the gasket from being squeezed out under high pressure.

Technical Drawing

Dimension Checking

Witnessing tests

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
Bronze Gate Valve
1 Inch 800LB Bronze Gate Valve API602

Differing 1/4 inch to 3 inch, this gate valve is made of B62 bronze according to API602. No matter what pressure rating, thread design or size you require, Dervos has a large selection of valves to meet your needs.

Double Eccentric Butterfly Valve
Double Offset Cast Iron Butterfly Valve EN593 PN10 DN500

The cast iron butterfly valve belongs to double offset type. also is soft seal butterfly valve,It owns a compact body, low torque value, and perfect sealing function, suited for water application with normal temperature range.  Quick Detail Type Butterfly Valve Nominal Size DN500 Nominal Pressure PN10 Structure Double Offset, Soft Seated Connection Type Flange Type Operation Gear Operated Design Code EN 593 Face to Face EN 558 End Connection EN 1092 Test & Inspection EN 12266 Body Material Cast Iron GGG50 Temperature Range -15℃~+150℃ Application Water, Oil, Gas Dimension Checking & Pressure Testing Tag & Packing

Gate Valve Handwheel BB OSY
Handwheel Gate Valve BB DN80 PN25 DIN1.0619

The DN80 PN25 gate valve is designed as per EN 1984. With common parts of a valve, like bolted bonnet, outside yoke and handwheel, its body is made of 1.0619 and 13Cr. Other parts including body, bonnet,seat and others are promised to be traceable.   Quick Detail Type Gate Valve Nominal Diameter DN80 NominalPressure PN25 Construction B.B ; OS&Y Connection RF Operation Handwheel Design & Manufacture EN 1984 End to End  DIN 3202 Flange End Dimension EN 1092-1 Test & Inspection  EN 12266-1 Temperature Range -29℃~+425℃ Body Material 1.0619 +STL Wedge Material 1.0619 +13Cr Media W.O.G. Company Brief Introduction  Specializing in valve industry over 10 years, Dervos becomes the leading vendor of gate, globe, check, ball, butterfly, plug valves and strainers. We serve oil and gas user such as LUKOIL, MOL, YPF with local partners.   Dervos show its advantages in: 1. Our partnerships with tens of stable suppliers allow us to provide customers with a wide range of high-quality products at a competitive price. 2. Each order is under strict quality control with inspection reports before delivery. 3. We value delivery time as much as our customers do. With the powerful purchasing system, we follow each order closely to secure on-time delivery. 4. One-stop solutions will be offered in a timely manner

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.

Knife Gate Valve
DN150 PN10 Unidirectional Knife Gate Valve Wafer RF Cast Iron

The DN150 PN10 unidirectional knife gate valve features a single piece, stainless steel body design provides tested performance in applications ranging from general purpose to severe media.

Swing Check Valve
Cast Steel NPS 6 Class 150 Swing Check Valve RF WCB Metallic Seated

The swing check valve is made of A216, a kind of WCB. Manufactured according to BS1868, the check valve is 6 inch and 150LB. And the valve is capable in working temperature between -19 to 425 degree Celsius.

Wafer Check Valve
4" 900LB Dual Plate Wafer Check Valve RF CF8M API594

4" 900LB check valve is made according to API 594 standard. The valve body is made of A351 CF8M. It has the structural characteristics of double disc and wafer type. Its connection mode is RF.

4 Inch 150LB Lug Concentric Butterfly Valve Ductile Iron
4 Inch 150LB Lug Concentric Butterfly Valve Ductile Iron

Thisconcentricbutterfly valve is a lug type valve with threaded holes and can be used for many applications. The valve can be used as a stopper, a tap for discharging at the end of the pipeline, open/close and flow control.

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.

Plug Valve
Self Lubricated Plug Valve Sleeve Type 1 inch 150LB CF3

The 1 inch self-lubricated or non-lubricated plug valve is made of A315 CF3 as per API 599. It enjoys outstanding sealing and anti-corrosion performance, owing to its PTFE seat. Besides that, the sleeve type valve is only suitable for the normal temperature up to 120 degree.   Quick Detail Type Plug Valve Size 1'' Design Pressure 150LB Construction Self-Lubricated Type, Sleeved Type, Soft Seat Connection Flange Operation Lever Operation Design Code API 599 Face to Face ASME B16.10 End Connection ASME B16.5 Test & Inspection API 598 Body Material A351 CF3 Temperature Range -29℃~+120℃ Application Water, Oil, Gas   Dimension Checking    Hydro-static Testing    

Lift Check Valve
2" 600LB Lift Check Valve RF WCB BS1868 API598

2" 600LB check valve is made according to BS1868 standard. The valve body is made of A216 WCB. It has the structural characteristics of lifting type, bolt cover and body valve seat. 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