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...
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.
A steam trap valve is a device designed on devices that require steam, which can automatically discharge condensate, air, and non condensable gases from the steam system and prevent steam from being discharged. Important Functions (1) Able to quickly remove condensate generated; (2) Prevent steam leakage; (3) Remove air and other non condensable gases. The necessity of using steam equipment to remove condensate and air: (1) Prevent water hammer: If there is condensate in the steam pipeline, it will be strongly impacted by the high-speed flowing steam on the pipe wall, valves, and steam equipment, causing damage or damage to the pipeline bends, valves, and steam equipment. (2) To prevent a decrease in the efficiency of steam using equipment: Steam using equipment (especially indirect heating devices) is aimed at effectively utilizing the latent heat of steam. Excessive condensate trapped in these devices comes into contact with the heating surface, reducing the heating area and uneven heating up and down, resulting in a significant decrease in equipment efficiency. (3) Prevent corrosion of steam inside equipment: Oxygen in water and air coming into contact with the equipment can cause chemical reactions, leading to rust corrosion. (4) Prevent damage to steam using equipment: Due to the different temperatures of steam and water, the condensed water inside the equipment generates temperature differences locally, causing temperature difference stress and equipment damage. Specific requirements for steam trap valves: (1) No steam leakage during the discharge of condensate; (2) It can eliminate all condensed water from any part of the steam system; (3) Capable of simultaneously discharging air and condensate; (4) Suitable for a wide range of pressures; (5) Easy to repair and maintain: simple structure with few moving parts; (6) High practicality: small size, light weight, long lifespan, low price, and no loss of emission capacity due to air and steam.
10" 150LB butterfly valve is made according to API609 & ANSI B16.34 standard. The valve body is made of WCB + inconel. It has the structural characteristics of double eccentric, two-way pressure, reverse pressure 10bar. Its connection mode is lug type. And it has turbine operation mode.
Payment:
30% when order confirmed, 70% before shipmentProduct Origin:
ChinaColor:
CustomizationShipping Port:
Shanghai, ChinaLead Time:
30~60 days Ex Works after order confirmationMaterial:
WCB + inconelMethod of Operation:
Turbine OperationProduct Description
|
Type |
Butterfly Valve |
|
Size |
10" |
|
Pressure |
150LB |
|
Connection |
Lug type |
|
Operation |
Turbine Operation |
|
Body Material |
WCB + inconel |
|
Design Norm |
API609 & ANSI B16.34 |
|
Face to Face |
API 609 |
|
Flange Dimension |
ANSI B16.5 |
|
Test & Inspection Code |
API 598 |
|
Temperature |
-29 ~ 150°C |
|
Applicable Medium |
Water, Oil and Gas |
Features
1. Reasonable design, compact structure, easy assembly and disassembly, easy maintenance;
2. Suitable for various media and different temperatures.
Technical Drawing
Dimension Checking
Pressure Testing
Nameplate & Packing
Inspection report
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The 16 inch triple offset butterfly valve is designed with metal seat, stainless steel CF8M body, disc and stem. The fully lugged butterfly valve with gearbox has Class 150 design pressure as per API 609. Design Feature 1. Small volume, light weight, simple structure 2. Multi-layer metal seated/fully metal seated 3. Firesafe design 4. Anti-blowout stem 5. Small torque value for operating easily 6. Reliable sealing and could meet zero leakage requirement 7. With function of regulating flow 8. Triple eccentric design for minimized wear of sealing face Quick Detail Type Butterfly Valve Size 16'' Pressure ANS 150 Structure Triple Eccentric, Triple Offset, Metal Seated Connection Type Lug Type Operation Gearbox Operated Design Code API 609 Face to Face ASME B16.10 End Connection ASME B16.5 Test & Inspection API 598 Body Material A351 CF8M Temperature Range -29℃~+425℃ Application Water, Oil, Gas Material No Part Name Carbon steel to ASTM Alloy steel to ASTM Stainless steel to ASTM WCB WC6 WC9 C5 CF8 CF8M CF3 CF3M 1 Body A216 WCB A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M 2 Below Axle Bush PTFE or Stainless Steel and Graphite Spiral Wound 3 Stem A182 F6 A182 F304 A182 F304 A182 F304 A182 F304 A182 F316 A182 F304L A182 F316L 4 Seat Ring F6 Stellite 6 Stellite 6 Stellite 6 A182 F304 A182 F316 A182 F304L A182 F316L 5 Butterfly Plate A216 WCB A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M 6 Lock Ring A105 A182 F22 A182 F22 A182 F22 A182 F304 A182 F316 A182 F304L A182 F316L 7 Pin Carbon Steel or Alloy Steel 8 Screw Carbon Steel or Alloy Steel 9 Top Axle Bush PTFE or Stainless Steel and Graphite Spiral Wound 10 Packing Graphite+SS304 11 Bolt A193 B7 A193 B7 A193 B7 A193 B7 A193 B8 A193 B8 A193 B8 A193 B8 12 Nut A194 2H A194 2H A194 2H A194 2H A194 Gr.8 A194 Gr.8 A194 Gr.8 A194 Gr.8 13 Bolt A193 B7 A193 B7 A193 B7 A193 B7 A193 B8 A193 B8 A193 B8 A193 B8 14 Nut A194 2H A194 2H A194 2H A194 2H A194 Gr.8 A194 Gr.8 A194 Gr.8 A194 Gr.8 15 Yoke A216 WCB A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M 16 Gland A182 F6 A182 F304 A182 F304 A182 F304 A182 F304 A182 F316 A182 F304L A182 F316L
The eccentric butterfly valve has triple offset design. It has excellent sealing performance and longer service life due to its small abrasion on sealing face during operation of valve. The 30'' butterfly valve is designed with ANSI 150 double flanged connection and fully metal seat. Quick Detail Type Butterfly Valve Size 30 Inch DesignPressure ANSI 150 Construction Triple Offset/ Triple Eccentric ConnectionType RF Double Flanged Type Operation Gearbox Operation Design Code API 609 Face to Face ASMEB16.10 End Connection ASMEB16.5 Test & Inspection API 598 Body Material A216 WCB TemperatureRange -29℃~+427℃ Application Water, Oil, Gas Available Product Range Norminal Size: 2 Inch ~150 Inch Design Pressure: 150LB~900LB Valve Connection: Flanged, Lug, Wafer, Butt Weld (BW) Valve Operation: :Lever/Wrench, Gearbox, Motorized, Pneumatic Body Material: Carbon Steel WCB, Stainless Steel CF8/CF8M/CF3/CF3M, Low Temperature Steel LCB/LCC Seat Material: Fully metal seat, SS+Graphite Seat
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
WCB 14inch 150LB Butterfly Valve Triple Eccentric Un-directional Seal Wafer Type Gear Handwheel Operation WCB Body WCB Disc F6a Stem PTFE Seal Ring 13Cr Overlay on Seat. Design and Manufacture API 609. Face to Face Dimension API 609. Flange and Dimension ASME B16.5. Test and Inspection API 598. Quick Detail Type Butterfly Valve Size 14” Pressure 150LB Construction Triple Eccentric Connection Wafer Operation Mode Gearbox Body Material A216 WCB Trim Material Ball/Stem F6a, Seat PTFE Design & Manufacture API 609 Pressure & Temp Code ASME B16.34 End to End ASME B16.10 End Connection ASME B16.5 Inspection API 598 Temperature Range -29℃~+200℃ Medium Oil, Water, Gas
The triple eccentric butterfly valve, made of carbon steel, is designed under Class 150 for a better performance of 0 leakage. With a gear operator, it can be better drove. Quick Detail Type Butterfly Valve Nominal Size 20 Inch Nominal Pressure Class 150 Structure Triple Offset,Triple Eccentric, Metal Seated Connection Type Wafer Type Operation Gear Operated Design Code API 609 Face to Face ASME B16.10 End Connection ASME 16.5 Test & Inspection API 598 Body Material Carbon Steel Application Water, Oil, Gas Founded in 2008, DERVOS VALVES INDUSTRY CO., LTD is a professional vendor, exporter and supplier of industrial valves, pipes and fittings. Dervos has expanded its business to five continents around the world, including Europe, Oceania, Africa, America and Asia. Our commitment is to find the most suitable products for our clients in an efficient way. We adopt modern management skills to make sure efficiency in production and selling system.
You can found this valve in a various high performance applications such as steam, chilled water, gasoline, oil, jet fuels, natural gas, utility lines, process lines and in industries.
The PN10 DN200 double offset butterfly valve collects durable body and an easy replaceable seat for control services the power, chemical, petrochemical and other fields.
The 12 inch 150 LB triple eccentric butterfly valve is designed per API 609 with flange end and gearbox operation. The valve is made of stainless steel CF8 with metal seat design. Quick Detail Type Butterfly valve Size 12 Inch Pressure 150LB Construction Triple Offset/Eccentric, Metal Seat Connection Type Flange Operation Gearbox Design Code API 609 Face to Face ANSI B16.10 End Connection ANSI B16.5 Test & Inspection API 598 Body Material CF8 Applicable Temp -196℃~+800℃ Application Water, Oil, Gas Materials Dimension
42" 150LBS butterfly valve is made according to API 609 standard. The valve body is made of CF8M. It has the structural characteristics of triple eccentric, multi-level and NACE. Its connection mode is RF flange. And it has turbine operation mode.
26" 150LB Butterfly valve is made according to API609 standard. The valve body is made of WCB. It has the structural characteristics of double eccentric, high-performance, bi-directional sealing, fireproof design and anti-corrosion turbine. Its connection mode is lug type. And it has turbine operation mode.
14" 150LB butterfly valve is made according to API 609 standard. The valve body is made of WCB. It has the structural characteristics of double eccentric and high performance. Its connection mode is lug type. And it has turbine with locking device operation mode.
48" CL150 butterfly valve is made according to API 609 standard. The valve body is made of ASTM A351 CF8M. It has the structural characteristics of triple eccentricity. Its connection mode is lug to ASME B16.47B. And it has smooth rod with flange connection plate operation mode.
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