API600 Cast Steel Gate Valve
The API 600 Cast Steel Gate Valve is designed for reliable isolation service in high-pressure pipeline systems used in oil, gas, petrochemical, and power industries.
- Product Introduction
Product Overview
The API 600 Cast Steel Gate Valve is designed for reliable isolation service in high-pressure pipeline systems used in oil, gas, petrochemical, and power industries.
It is manufactured in accordance with API 600 and ASME B16.34 standards, and is strictly used for on/off isolation service only, ensuring stable sealing performance under high-pressure and high-temperature conditions.
Applications
Oil and gas transmission pipelines
Refinery and petrochemical process systems
Power plant steam and auxiliary systems
Offshore and marine engineering systems
Industrial high-pressure fluid systems
Suitable for pipeline systems requiring long-term shut-off reliability.
Technical Specifications
|
Item |
Specification |
|
Design Standard |
API 600 / ASME B16.34 |
|
Size Range |
DN50–DN1200 (NPS 2"–48") |
|
Pressure Class |
Class 150–2500 |
|
Body Material |
WCB / WCC / WC6 / WC9 |
|
Seat/Trim Material |
13Cr / Stellite |
|
End Connection |
RF / RTJ / BW |
|
Operation |
Handwheel / Gear / Electric / Pneumatic |
|
Test Standard |
API 598 |
|
Leakage Standard |
ISO 5208 Rate A / API 598 |
Design Features
The wedge gate structure provides reliable bi-directional sealing and improves sealing performance under high differential pressure.
The bolted bonnet design with gasket sealing ensures pressure containment integrity and allows easy maintenance access.
Rising stem design provides clear visual indication of valve position during operation.
Non-rising stem design is suitable for underground or space-restricted installations.
The actuator mounting interface complies with ISO 5210 / ISO 5211 standards for compatibility with manual, gear, and automated systems.
Performance Advantages
The valve body is designed in accordance with ASME B16.34 pressure-temperature rating requirements, covering Class 150 to Class 2500 applications.
Full bore design minimizes flow resistance and reduces pressure loss in pipeline systems.
Sealing surfaces are hard-faced with Stellite or equivalent materials to improve wear resistance and sealing stability.
Quality Control & Testing
Each valve is 100% pressure tested prior to shipment according to API 598.
Hydrostatic shell test is performed at 1.5 times design pressure.
Seat leakage testing ensures compliance with API and ISO leakage standards.
Positive Material Identification (PMI) is conducted on all pressure-containing parts.
Non-destructive testing (RT / UT / PT) is available upon request.
Each valve is supplied with a unique serial number and EN 10204 3.1 Material Test Report (MTR) for full traceability.
Standards & Compliance
Gate valves are intended strictly for isolation (on/off) service, not flow regulation.
API 600
Steel Gate Valve Standard
ASME B16.34
Pressure Design Standard
API 598
Valve Testing Standard
ISO 9001
Quality Management System
NACE MR0175
Sour Service (optional)
ISO 15848
Low Emission Packing (optional)
Engineering Support & Customization
Material selection based on process conditions and project requirements.
1
>>
Pressure class and size customization available.
2
>>
Actuator integration support for automation systems.
3
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CAD drawings and technical datasheets available for EPC projects.
4
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Engineering support provided for bidding and project approval.
5
Packaging & Delivery
- Export-grade plywood cases with anti-corrosion protection.
- End protection caps included for transportation safety.
- Standard delivery time: 2–4 weeks depending on specifications.
- Shipping options include sea freight, air freight, and multimodal logistics.
FAQ
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