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Why choose us?
1. Precision investment casting
Silica sol process casting 0.8-15mm wall thickness, size accuracy CT4 level
Vacuum degassing treatment, casting density > 99%
3D printing rapid prototyping verifies structural strength
2. Intelligent manufacturing process
Robot automatic polishing, consistency up to ±0.02mm
The CNC four-axis machining center ensures that the axis hole concentricity is less than 0.01mm
Laser marking to achieve single traceability
3. Rigorous quality testing
100% perform 5x load destructive testing
Key dimensions for CMM measurement (accuracy 0.003mm)
Torque tester fully checks opening and closing resistance
Product introduction
We use 316/316L corrosion resistant stainless steel, through the silica sol investment casting process to manufacture fire valves, joints and other key components, the product size accuracy of CT5 level (±0.15mm), through 1.5 times of working pressure test and 2000 hours of salt spray test. Support fast proofing (7-10 days), UL/FM certified, high pressure, corrosion resistant precision casting solutions for fire systems.
Our advantage
1. Super load-bearing performance
304/316 stainless steel in one piece casting, single hinge static load up to 500kg (DIN EN 1935)
Special reinforcement design, fatigue testing through 100,000 opening and closing cycles (ISO 9001 Class 8)
Available in 440C high-carbon stainless steel, hardness up to HRC55±2
2. Precision motion mechanism
The bushing clearance is controlled at 0.05-0.1mm to ensure smooth and no shaking
Self-lubricating copper alloy bearing, maintenance-free cycle > 5 years
Opening and closing Angle 90°-270° Multi-specification optional, torque tolerance ±5%
3. Extreme weather resistance
316L material passed 3000 hours salt spray test (ASTM B117)
Stable performance in the temperature range of -40℃~200℃
The surface can be electrolytically polished (Ra≤0.4μm) or sandblasted
4. Safety protection design
Built-in anti-fall clip, cannot be removed in vertical bearing state
Fire rating A2 (EN 13501-1)
Optional anti-static treatment (surface resistance < 10⁶Ω)
Detail data
Application | Bellows Globe Valve |
Material Type | Stainless steel |
Standard | CE, ROHS, SGS |
Molding Technics | Gravity Casting |
Casting | Investment Casting |
Weight | 0.5kg~50kg |
FAQ
1.What is the Minimum Order Quantity?
5~1000 pcs. And we also accpet sample orders.
2. Can you manufacture according to customer's samples?
According to samples, we can make drawing, tooling and sample
3.How long will it take to make new samples according to customer's drawing or sample?
Totally 20 days. 10 days for tooling and another 10 days for sample
