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High Tolerance CNC Machining Stainless Steel Valve Core Components for Auto Pneumatic Systems
| Place of Origin | GuangDong Dongguan |
| Brand Name | SITUO |
| Certification | ISO9001 & TS16949 |
| Model Number | ST-500013 |
CNC machining stainless steel valve core
,auto pneumatic valve components
,high tolerance valve hardware
High Tolerance CNC Air Valve Core Components are high-precision fittings specially designed for automotive pneumatic systems. Manufactured with premium carbon steel materials through cold heading densification and multi-process CNC precision finishing, these valve core parts feature ultra-tight tolerance, high roundness and excellent surface smoothness.
As core moving components of automotive pneumatic control, brake assist and air pressure regulation systems, they deliver sensitive opening and closing response, stable air tightness and outstanding fatigue resistance. The parts adapt perfectly to complex vehicle working conditions including vibration, temperature difference and high-frequency reciprocating movement.
Both standard batch supply and custom OEM processing based on drawings and samples are available for various passenger and commercial vehicle pneumatic valve assemblies.
Made of high-purity industrial carbon steel, the valve core features high material density, stable structure, excellent wear resistance and compression resistance. Optimized for long-term high-frequency start-stop, reciprocating sliding and alternating air pressure vehicle conditions, it avoids jamming, deformation and failure effectively.
Optional surface treatments including zinc plating, nickel plating, black oxide and Dacromet coating provide excellent anti-rust, anti-oxidation and oil-resistant performance, adapting to harsh vehicle environments and extending service life greatly.
Cold heading technology strengthens the internal metal fiber structure, improving overall toughness and structural strength to prevent wear and fracture during long-term operation. Subsequent multi-process CNC turning and grinding strictly controls outer diameter, roundness, straightness and fitting tolerance.
The burr-free ultra-smooth surface ensures uniform fitting clearance, effectively solving common problems such as air leakage, valve core jamming and slow response, ensuring accurate and stable operation of automotive pneumatic systems.
Precision-matched with valve body cavities, the air valve core slides smoothly and opens/closes sensitively with accurate and delay-free air pressure transmission. It maintains stable air tightness and control accuracy under alternating high and low pressure and frequent reversing conditions, ensuring the safety and sensitivity of automotive pneumatic control systems as essential core components for vehicle valve assemblies.
Compatible with most vehicle pneumatic valves, brake valves, pressure regulating valves and auxiliary pneumatic control systems. We provide full customization of outer diameter, length, groove position, end face structure and special-shaped structures according to customer drawings and samples, with adjustable surface treatments.
Supporting prototype trial production and large-scale mass production, we meet customized demands for auto factory supporting, maintenance replacement and equipment upgrading.
- Precision valve core components for automotive on-board pneumatic systems
- Core fittings for vehicle brake valves, pressure regulating valves and reversing valves
- Precision moving parts for commercial and passenger vehicle pneumatic valve assemblies
- Sealing and matching parts for automotive air circuit control and pressure regulation
- Precision air valve cores for auto factory supporting and after-sales replacement
Every CNC automotive air valve core undergoes full-size precision inspection, roundness tolerance verification, air tightness testing, sliding fit testing and appearance screening before delivery to meet strict auto parts quality standards. Standard sizes are in stock for fast delivery, and one-stop custom CNC precision machining is available.
We consistently supply high-precision, high-stability and high-durability on-board pneumatic components for auto parts manufacturers and pneumatic system enterprises worldwide.
We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve our customers' needs.
Our maximum processing outer diameter is 60, and the minimum control tolerance is 0.001. We have Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment, which can effectively provide customers with the best technical solutions.
Our company has a total of 300 employees, including 20 technicians, 10 engineers, and 15 quality control personnel. We have over 300 pieces of equipment.
Our company implements 8S management and has passed ISO9001 and TS16949 automotive certifications.
| Main Products | Stainless steel screws, carbon steel screws, pins, rivets, nuts, eccentric nails, embedded parts, and other fasteners. |
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| Business Type | Factory / Manufacturer |
| Services | CNC Machining, Turning and Milling, CNC Turning, Cold heading, Stamping, Assembly Service |
| Materials |
Aluminum: AL 6061-T6, 6063, 7075-T etc Stainless Steel: 303,304,304L,316L,316F,630,410,420,430, etc Steel: 4140, Q235, Q345B,20#,45# 1215,12L14,1144,1006,1008,1010,1015,1018,10B21,1035,1065 etc. Alloy Steel: 5140,4135,4140,3435,5120,415,435,440 etc Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90),C27000,C51900,C11000,C3604,H62,H65 etc Other: Copper, bronze, Magnesium alloy, Delrin, POM, Acrylic, PC, etc. |
| Finishes | Sandblasting, Anodize color, Blackening, Zinc/Nickel Plating, Polish, Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing, electroplating chromium, electrophoresis, QPQ(Quench-Polish-Quench), Electro Polishing, Chrome Plating, Knurl, Laser etch Logo, etc. |
| Drawing Format | STEP, STP, GIS, CAD, PDF, DWG, DXF etc or samples. |
| Tolerance | +/-0.01mm ~ +/-0.05mm |
| Surface Roughness | Ra 0.1~3.2 |
| Inspection | Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier, CMM, Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge |
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