Ranger Rotary Control Valve, Sales Kit C For Product Code: RSM-4407-1AX53839B; 2" Stainless Steel Body, 150# Flangeless, Opt -7C Strain-Hardened Studs, Gr. B8M & 18-8 SST Nuts; ST7 Trim With Standard Packing; 0.6 Reduced Port Seal Retainer; No Insert; Per SPQ Number 53839 Linear Characteristic, Standard Flow Direction; Special I/P Transducer 3-15 PSIG