
Tkn-SL-G Pneumatic Copper Brass Push-on Air Proportional Speed Control Valve with O-Ring. Brass Material Construction: Valve body made of brass with NBR rubber sealing ring and stainless steel spring for durability. Wide Thread Compatibility: Supports BSPT, BSP, and NPT threads including G1/8, G1/4, G3/8, and G1/2 sizes. One-Way Valve Function: Designed as a shut-off type allowing compressed air flow in one direction while blocking reverse flow. ISO 9001:2015 Certified: Manufactured under strict quality management systems with provided machinery test reports. OEM and ODM Services: Customization available for sizes, materials, branding, and personalized product design. 1-Year Warranty Coverage: Comprehensive 1-year warranty provided for all mechanical equipment and components. Competitive Pricing Strategy: Cost-effective solutions offered without compromising on quality or performance reliability.