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Why choose us?
1. Precision casting system
Silica sol-ethyl silicate composite shell (9 layers)
Vacuum assisted casting (porosity ≤1%)
Shell roasting intelligent temperature control (1050℃±10℃)
Argon shielded melting (1600-1650℃)
2. Special post-treatment
Precision grinding of sealing surface (flatness ≤0.02mm)
High pressure water jet cleaning (35MPa)
Red Fire Protection Coating (RAL 3000)
Laser anti-counterfeiting identification
3. Test system
100% X-ray Inspection (ASTM E505)
Pressure test (1.5x working pressure)
Flow factor (K-factor) test
Salt spray accelerated corrosion test
Material spectral analysis
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. Special material system
316/316L fire grade stainless steel (according to NFPA 1932 standard)
Corrosion resistance: through 2000 hours of neutral salt spray test
Mechanical strength: Tensile strength ≥515MPa (-30℃ low temperature impact maintenance)
Fire resistance: continuous working temperature up to 800℃
2. Key performance parameters
Dimensional accuracy: CT5 class (ISO 8062)
Minimum flow aperture: Φ6mm (fluid resistance optimization)
Surface treatment:
• Conventional parts: sandblasting (Ra3.2μm)
• Sealing surface: Mirror polished (Ra0.8μm)
Pressure capacity: PN16-PN40 (ANSI 150-300LB)
3. Core fire components
√ Valve system: hydrant body, check valve
√ Connecting parts: quick joint, flange
√ Spray system: atomizing nozzle, distributor
√ Emergency equipment: explosion-proof shell, bracket
Detail data
Application | Mechanical parts |
Material Type | Stainless steel |
Standard | Cupc, ISO, RoHS, Ce, NSF |
Kind | Stainless Steel Casting |
Weight | 1.5kg~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
