Top 5 Chinese 3 4 Ball Valve Brands
1. NEWAY Valve
- Specialization: Compact 3/4″ brass/stainless steel ball valves
- Certifications: API 607, CE, WRAS
- Unique Feature: Anti-blowout stem design
- MOQ: 50 pieces
2. SUFA Technology
- Flagship Product: 3/4″ 3-piece full-port ball valves
- Pressure Rating: 1000 WOG (PN64)
- Material: CF8M stainless steel
- Export Markets: Europe, Middle East
3. DVK Valves
- Best For: HVAC and plumbing systems
- 3/4 Ball Valve Features:
– PTFE seats (-20°C to 200°C)
– 100% air-tested for leaks
- Delivery: 7 days for standard models
4. YUANDA Valve Group
- Industrial Focus: Oil & gas, chemical processing
- 3/4″ Valve Specs:
– Fire-safe API 607/6FA
– Double-block-and-bleed (DBB) design
- Lead Time: 20 days
5. NSW Valve
- Economical Choice: Low-cost forged ball valves and casting ball valves
- Key Specs:
– 600 PSI, 1000 PSI, 2000 PSI, 10000 PSI working pressure
– 10-year warranty
- Dimension: 1/2 Inch, 3/4 – 2 Inch, 3 Inch, 4 Inch, 6 Inch -48 Inch
- MOQ: 1 units
Technical Comparison: 3/4 vs. 3 vs. 4 Ball Valves
Specification | 3/4 Ball Valve | 3 Ball Valve | 4 Ball Valve |
Port Size | 0.75″ (19mm) | 3″ (76mm) | 4″ (102mm) |
Flow Capacity | 25 GPM | 150 GPM | 250 GPM |
Common Material | Carbon Steel, Stainless Steel, Brass, Bronze, Special Alloy | ||
Typical Use | Residential plumbing, Industrial pipelines, Water treatment plants |
Key Selection Criteria for 3/4 Ball Valves
1. Material Compatibility:
– Brass for water/gas (ASTM B16)
– Stainless steel for corrosive media (ASTM A351)
2. End Connections:
– NPT threads (ASME B1.20.1)
– Socket weld (ASME B16.11)
3. Pressure-Temperature Rating:
– Class 150 (ANSI B16.34) for standard use
– Class 300 for high-pressure systems
4. Industry Certifications:
– API 6D for oil/gas
– NSF/61 for potable water
Applications of Small-Size 3, 4, 3/4 Ball Valves
- Residential: Water heater isolation
- Commercial: Restaurant gas lines
- Industrial: Chemical dosing systems
- Renewable Energy: Solar thermal circuits
Why Choose Chinese Ball Valve Suppliers
China dominates 30% of the global valve market, offering:
- Cost-effective solutions (20-40% cheaper than EU/US brands)
- ISO 9001/API 6D-certified production
- Customizable small-size ball valves (1/4″ to 4″)
- Fast lead times (15-30 days for bulk orders)
Post time: Apr-13-2025