
Cngo Brass Residual Pressure Tank Valve for Gas Cylinder. High-Performance Brass Construction: Forged brass with O-ring sealing ensures durability, corrosion resistance, and leak-tight performance. High Pressure Rating: Rated for 20MPa working pressure, suitable for gas maintenance and industrial applications. Comprehensive International Certifications: Holds BV, ISO, CE, and GOST certifications with global acceptance in 43 countries. Flexible OEM/ODM Services: Full customization support from mold calculation to mass production based on client samples. Low Minimum Order Quantity: Accepts sample orders of 1 piece and regular orders starting from just 5 pieces. Fast Sample Delivery: Delivery within 3-7 working days for orders up to 100 sets after payment receipt. 24-Hour Response Support: Inquiries regarding products or prices are replied to within 24 hours by fluent English staff.