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Chinese flanged ball valves are widely used in industrial piping systems across China and export markets. They are typically full-bore, floating ball design with stainless steel body and ball, PTFE seats, and lever or gearbox operation. These valves offer simple on/off control for water, oil, gas, and non-corrosive media at a competitive price with acceptable quality for general service.
Technical Specifications
Parameter
Specification
Type
Flanged floating ball valve
Sizes
DN15 to DN300 (1/2" to 12")
Pressure Rating
PN16 / PN40 / Class 150
Body & Ball Material
304 / 316 stainless steel
Seat Material
PTFE / RPTFE
Temperature Range
-20 °C to +200 °C
Connections
Flanged RF
Operation
Lever or gearbox
Application Industry
Water supply and treatment
General chemical transfer
Oil and gas non-critical lines
HVAC systems
Food processing (non-hygienic lines)
Common Problems & Solutions
Problem: Seat leakage after long use → Solution: Regular inspection and seat replacement
Problem: Stem leakage → Solution: Proper packing adjustment or replacement
Problem: Hard to operate when large size → Solution: Use gearbox operator
Replacement Models
Threaded ball valves
3-piece ball valves
Chinese gate valves
Why Buy From Us
Genuine Chinese factory product with test certificates
Competitive pricing for volume orders
Local technical support and fast response
Reliable delivery and spare parts availability
Stock & Delivery Time
Standard sizes and pressure ratings: in stock or 6–8 weeks