NOSHOKâs valve portfolio features a comprehensive line-up of needle and manifold valves, including block and bleed valves in hard or soft seat/tip designs with ratings up to 10,000 psi. Our innovative valve design is patented for exceptional performance and increased pressure capabilities. NOSHOK leads the industry with our stringent requirements to ensure the performance of our valves by 100% helium leak testing every valve to 1 X 10-4 ml/s before it leaves our factory.