COOSAI valve group
| Power | Manual,Pneumatic,electric,Gear,Hydraulic |
| Standard or nonstandard | Standard,Tailor Made |
| Media | Water,Oil,Gas,Base,Acid |
| Structure | Ball |
| Application | General,SGS,valve,CE,Various Liquids |
| Standard | DIN,BSTP NPT BSP DIN,ANSI,ANSI DIN JIS,API |
| Body material | Carbon Steel,WCB,A105,F316,CF8 |
| Medium | Sea Water,oil,nitrice acid,gas,Water Oil Gas |
| Valve delivery | 5-30 days,15 - 30 days,Delivery on time |
| Valve material | DI etc,CI,stainless steel,special alloy,Didtek provide cast steel |
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Product Specification
| Power | Manual,Pneumatic,electric,Gear,Hydraulic | Standard or nonstandard | Standard,Tailor Made |
| Media | Water,Oil,Gas,Base,Acid | Structure | Ball |
| Application | General,SGS,valve,CE,Various Liquids | Standard | DIN,BSTP NPT BSP DIN,ANSI,ANSI DIN JIS,API |
| Body material | Carbon Steel,WCB,A105,F316,CF8 | Medium | Sea Water,oil,nitrice acid,gas,Water Oil Gas |
| Valve delivery | 5-30 days,15 - 30 days,Delivery on time | Valve material | DI etc,CI,stainless steel,special alloy,Didtek provide cast steel |
| High Light | fire-safe top entry ball valve ，API 6D top entry ball valve ，oil and gas top entry ball valve | ||
Our top-entry ball valve is engineered for critical applications in the oil, gas, and petrochemical industries. Designed for superior reliability and easy maintenance, this valve features a unique top-access design that allows for inline servicing without removing the valve from the pipeline. This is especially valuable in complex plant environments, minimizing downtime and operational costs. The robust construction and advanced safety features of our top-entry ball valve make it an ideal choice for demanding midstream and downstream operations.
| Parameter | Specifications |
|---|---|
| Design Standard | API 6D, ASME B16.34 |
| Size Range | 2" to 48" |
| Pressure Class | Class 150 to 2500 |
| End Connections | RF, RTJ, FF, BW (ASME B16.5 / B16.25) |
| Body Materials | Carbon Steel, Stainless Steel, Duplex, LTCS, Inconel, Monel, Alloy Steel, Aluminum Bronze |
| Operation | Manual, Pneumatic, Electric, Hydraulic Actuators |
| Fire Safety | API 607 / 6FA Compliant |
| Testing | API 6D |
Q1: What is the main advantage of a top-entry ball valve over a side-entry design?
A: The primary advantage is maintenance. A top-entry ball valve can be fully serviced internally—including seat and seal replacement—via the top cover without needing to remove the entire valve from the pipeline, drastically reducing downtime.
Q2: Are these valves suitable for sour gas service?
A: Yes. When specified with appropriate materials like Duplex stainless steel or special alloys, our top-entry ball valve can be manufactured to meet NACE MR0175/MR0103 standards for sour (H2S) service, common in Middle Eastern oil and gas fields.
Q3: How does the fire-safe feature work?
A: In a fire, the primary polymer seals degrade. Our API-compliant design ensures that secondary metal-to-metal seals and graphite-based components engage to maintain a seal, preventing catastrophic fluid release.
Q4: Why is the "cavity pressure relief" feature important?
A: In sealed valves, thermal expansion of trapped fluid can generate dangerous pressure. Our top-entry ball valve design includes an automatic relief feature that safely vents this overpressure, protecting valve integrity.
Q5: Are these valves a good fit for refinery applications?
A: Absolutely. The combination of robust construction, fire safety, low emission options, and easy maintenance makes our top-entry ball valve a premier choice for refineries, tank farms, and terminal applications requiring high reliability and safety.
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
>30000000
Employee Number:
>320
Ecer Certification：
Active Member
Company Introduction Coosai a specialized valve manufacturer which has 30 years’ experience in the design and manufacturing of quality engineered valves. Coosai has a sound organization structure, professional technical capacity, advanced manufacturing and testing equ... Company Introduction Coosai a specialized valve manufacturer which has 30 years’ experience in the design and manufacturing of quality engineered valves. Coosai has a sound organization structure, professional technical capacity, advanced manufacturing and testing equ...
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