Home / VALVES / Dwyer Instruments / Needle Valve Needle Valve Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Showing all 3 results DWYER – Model TNV PTFE Needle Valve RM 0.00 Add to cart DWYER – Series HNV Needle Valve 1-Valve Block Manifolds RM 0.00 Add to cart DWYER – Series NVII Needle Valve RM 0.00 Add to cart