ANSI Pressure Seal Bonnet Globe Valve
Class900-Class2500LB
2″-12″ (50~300mm)
WCB, WC6, CF8M
ANSI Pressure Seal Bonnet Globe Valve Descriptions
ANSI pressure seal bonnet globe valve is also called stop valve, which is one type of the most important shut-off valves. Globe valve is open or close by bringing pressure to the valve stem, and the stem bring pressure to the valve disc, achieving the sealing surface to be without leakage by force. There are straight type globe valve, angle type globe valve and plunger type globe valve. And globe valves can be with flanged ends, threaded ends and welded ends. ANSI globe valves are widely used in series of industries, especially in oil & gas filed, power plant, etc. Flowspec Luokai can manufacture and supply the ANSI pressure seal bonnet globe valve in accordance with API600/BS 1873 with sizes of 2”~12” (DN50~DN300mm). Just feel free to contact us now to get best prices. 30 years of experience. High quality. Big stock. Fast delivery.
1. FEATURES
- Straight pattern body design
- OS&Y, outside screw and yoke
- PSB, pressure seal bonnet
- Yoke integral with bonnet
- Rising stem and hand wheel
- Loose disc, choice of plug or ball
- Renewable seat ring is available
- Impact handwheel for 10” & above
- Horizontal service
- Flanged or butt-welding ends
- Available with gear box operator
3. STANDARDS
- Design & manufacturing: API600/BS 1873
- Steel valves: ASME B16.34
- Face to face: ASME B16.10
- Flanged ends: ASME B16.5/B16.47
- Inspection & testing: API598
2. TECHNICAL SPECIFICATIONS
- 900LB~2500LB
- Size: 2”~12” (DN50~DN300mm)
- Materials: carbon steel A216 WCB, alloy steel A217 WC6, stainless steel304 A351 CF8, stainless steel 316 A351 CF8M
- Applicable medium: water, oil, gas, corrosive
- Applicable temperature: -29℃~+425℃(higher temperature is availabe on request)
- Sour service conditions: NACE MR-01-75
4. APPLICATIONS
- Petroleum
- Chemical Industry
- Pharmacy
- Chemical Fertilizer
- Power Plant
- Textile
- Printing & Dyeing
- Oil & Gas
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


