Universal Screw-in Inner Tube Valves
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Universal Screw-in Inner Tube Valves

Universal screw-in inner tube valves are threaded valve assemblies designed to be installed directly into a drilled rim or tube opening, offering a versatile, field-serviceable alternative to bonded or clamped valve types. Their screw-in design makes them a common choice for aftermarket repair, replacement stock, and applications where a valve needs to be swapped without specialized tooling.

The lineup includes valves with multiple bend angles — from compact, near-vertical profiles to angled and dual/triple-angle designs — supporting a wide range of rim clearance conditions across passenger, motorcycle, and light commercial applications, along with an angled variant built specifically for truck wheel configurations.

Produced with consistent thread tolerances and corrosion-resistant finishes, this range is suited to distributors supplying general repair-shop inventory as well as OEM buyers requiring a specific bend geometry for a defined wheel platform.

Custom thread specifications, bend angles, and bulk packaging formats are available for buyers building out a broader valve replacement program.

Yancheng Scharf Automotive Co.,Ltd.
About Us
Beyond Weights, A Commitment to Safety.

PRIMA specializes in providing comprehensive supporting solutions for tire repair applications.
The company's main product portfolio includes tire valves, wheel balance weights, tire repair patches, and automotive service tools, supported by multiple precision production lines. Its products are exported to markets across the United States, Japan, Germany, Italy, France, the United Kingdom, Brazil, South Africa, Australia, Russia, and other countries.

12 years
10,000㎡ Land Area
35 staffNumber of Employees
8,000 tonsAnnual Production Capacity
Certifications & Honors
Yancheng Scharf Automotive Co.,Ltd.
A car balance weight screening device
A car balance weight screening device
A forging die for car balance weights
A forging die for car balance weights
A wheel balance weight pull-off force detection system
A wheel balance weight pull-off force detection system
Trademark registration certificate
Trademark registration certificate
Universal Screw-in Inner Tube Valves Industry knowledge
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