HERCULES® General Products 8 HERCULES ® Critical Service Stuffing Boxes | PCSB TM Pollution Control Stuffing Box (PCSB ™ ) • An enhanced version of Hercules DPSB u sing “PCSB Ada pter Unit” below the BOP section & LU G TM is replaced with PCSB Upper Gland (a.k.a. Hercules HPLUG TM ) • If polished rod breaks below st uffing box, flapper closes automatically • Two independently adju stable packing chambers — prima ry Cone Packing in DPSB Body & V-Ring Packing in PCSB Upper Gland.The V-Rings contain full working pressure, unlike the single Wiper Cone used in a LUG TM • Pollution Control Adapter acceptable to -50˚ F • Pollution Control Adapter meets NACE ® MR0175 • Base has 1/2" NPT test port • Adaptable to Anti-P ollution A dapter C ontrol Dev ice or Hercules SB TM Leak Detector • Primary cone packing can be cha nged under pressu re • Unique misaligning fe ature reduces ne ed for exact alignmen t with the pumping unit • Flanged b ottom connection a vailable • Availa ble with welded bottom flange co nnections • Av ailab le with 15 00 or 2500 P SI Big St uff TM DPSB TM T op Se ction (& with or without HPLUG TM ) SPECIFICA TIONS PCSB ™ Working Pressure 1500 PSI Bottom Thread (API Tubing or LP) 2", 2-1/2", 3" Bottom Connection Male or Flanged Weight 2" 102 lbs. 2-1/2" 107 lbs. 3" 112 lbs. Height 24-1/2" Material Base & Adapter Spool Low Temperature Steel Flapper Stainless Steel Body & Packing Glands Ductile Iron* Split Cone Packing Rod Sizes Pieces Required: Top Cones 5 Bottom Cones 1 V-Ring Packing O.D. 2-1/2" V-R ing Stack Heig ht 3" * Corrosion-resistant coatings available, contact customer service. PCSB Packing Gland Cap Packing Support (split) PCSB V-Rin g Packing (split) PCSB Upper Gland Body (HPLUG Body) Hex Bolts w/Lock Washers Pollution Control Adapter Spool Flapper Wear Pad Flapper Valve PCSB Base 3/4" NPT Port Packing Support (split) Upper Gland Bolts for DPSB Lower Gland for DPSB Lower Gland Bolts for DPSB Primary Split Cone Packing or optional DOME ® Packing DPSB Compression Bolt Std. DPSB Body DPSB Compression Ring Split Cone Packing Hex Bolts w/Lock Washers 1", 1-1/8", 1-1/4", 1-5/16", 1-3/8", 1-7/16", 1-1/2", 1-3/4" Available with DOME ® primary pa ckin g. (see pa ges 13-14 ) NOTE: V-RING PACKING FOR PCSB IS NOT INTERCHANGEABLE WITH HTD V-RING PACKING. Note: O-Rings for PCSB Spool are not shown (1 top & 2 bottom)