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ANSI Pressure Seal Bonnet Gate Valve Descriptions
ANSI pressure seal bonnet gate valve is one type of gate valve whose on-off disc is the flexible wedge gate, whose moving direction is perpendicular with flow. Gate valve can be only full open or full close. ANSI gate valves are widely used in series of industries, especially in oil & gas filed, power plant, where needs high temperature and high temperature valves. Flowspec Luokai manufactures the ANSI pressure seal bonnet gate valve in accordance with API6D/API600/ASME B16.34. Welcome to contact us for detailed information and best quotes if you have any questions or inquiries.
1. FEATURES
- Full bore design
- Butt-welded or flanged ends
- Rising stem and non-rising hand wheel
- PSB, pressure seal bonnet
- Flexible wedge, fully guided
- Choice of solid or split wedge
- Renewable seat rings
- Forged T-head stem
- By pass on request
- Available with gear operator
3. STANDARDS
- Design &manufacturing: API6D/API600/ASME B16.34
- Steel gate valve: ISO10434/ISO14313
- Face to face: ASME B16.10
- Flanged ends: ASME B16.5/B16.47
- Butt-welded ends: ASME B16.25
- Inspection & testing: API598/API6D
2. TECHNICAL SPECIFICATIONS
- 900LB~2500LB
- Size: 2″~36″ (DN50~900mm)
- Materials: steel A216 WCB, alloy steel A217 WC6, stainless steel A351 CF8, stainless steel CF8M
- Applicable medium: water, waste water, oil, gas, steam, slurry, pulp
- Applicable temperature: -29℃~+425℃ (higher temperature is available upon request)
4. APPLICATIONS
- Mining, steel industry
- Coal, slurry industry
- Paper making industry
- Power plant
- Oil, chemical industry
- Fertilizer, pharmaceutical industry
- Waste water, sludge, sewage treatment industry
Why Choose Flowspec Luokai
45+ Years Experience
Founded in 1978, manufacturing industrial valves for over four decades with proven reliability worldwide.
Global Certifications
ISO 9001, CE/PED, WRAS, FM, UL, API approved — compliant with international quality and safety standards.
OEM Custom Solutions
Flexible design and manufacturing per your specifications — material, size, pressure, actuation tailored to project needs.
Worldwide Delivery
Exported to 5 continents — North & South America, Europe, Middle East, Southeast Asia, and Africa.
Our Service Promise
Strict Quality Control
Every valve tested to API 598, EN 12266 before shipment
Timely Global Delivery
Reliable logistics to 5 continents with secure packaging
OEM & Custom Design
Tailored material, size, pressure and actuation to your specs
Dedicated After-Sales
Technical support and service throughout product lifecycle