3PC High Pressure Ball Valve Product Information
3pc high pressure ball valve is one type of three pieces forged steel ball valve of class 800LB, 1500LB and 2500LB with NPT threaded ends or SW, BW ends. Normally, it’s used in the high pressure air compressor piping system, hydraulic system and sour service conditions. Our 3pcs forged steel ball valve is available with materials of steel ASTM A105, alloy steel A182 F11, A182 F22, stainless steel A182 F304/L, A182 F316/L, A182 F5, duplex stainless steel A182 F51, 2205, 2507 and low temperature steel A350 LF2, with ends connection of socket welded, butt-welded and threaded. Flowspec Luokai can manufacture the 3pc high pressure ball valve according to standard of BS5351 and MSS SP-118 with sizes of 1/2”~2” (DN15~DN50mm). Welcome to contact us for detailed information and best quotes if you have any questions or inquiries.
1. FEATURES
- Full port or reduced port
- Three pieces structure
- High pressure
- Fire safe is available
- Blow-proof stem design
- High quality packing material
- Bi-directional seal
- Extended stem is available for low temperature
3. STANDARDS
- Design & manufacturing: BS5351, MSS SP-118
- Face to face: manufacturer’s
- Socket welded: ASME B16.11
- Threaded ends: NPT ASME 1.20.1
- Butt-welded: ASME B16.25
- Inspection & Testing: API598
- Fire safe: API607
- Special NACE MR-01-75
2. TECHNICAL SPECIFICATIONS
- 800LB~2500LB
- Size: 1/2”~2” (DN15~DN50mm)
- Materials: carbon steel (A105), alloy steel (A182 F11, F22, F5), stainless teel(A182 F304/L, F316/L), duplex stainless steel (A182 F51, 2205, 2507), low temperature steel (A350 LF2)
- Applicable medium: water, sea water, oil, gas, steam, corrosive mediums
- Applicable temperature: -29℃~+425℃(higher temperature and lower temperature are available)
- Special: sour service conditions
4. APPLICATIONS
- Petroleum industry
- Oil & gas
- Power plant
- Chemical industry
- Desalination
- Water treatment
- Steel plant
- Metallurgical plant
- Offshore & marine
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


