Single Weld Plate [SWP] The typical mounting configuration where the clamp is welded tothe support strcture. Group Order Number L1 L2 Thread Weight H11 H4-SWP-11-* 20.00 in. (508 mm) 15.688 in. (398 mm) 1 1/4 - 7 UNC 34 lbs. H12 H4-SWP-12-* 26.00 in. (660 mm) 20.875 in. (530 mm) 1 1/4 - 7 UNC 43 lbs. H13 H4-SWP-13-* 27.50 in. (498 mm) 22.25 in. (565 mm) 1 1/4 - 7 UNC 46 lbs. H14 H4-SWP-14-* 30.00 in. (762 mm) 26.25 in. (667 mm) 1 1/4 - 7 UNC 52 lbs. H15 H4-SWP-15-* 36.00 in. (914 mm) 32.25 in. (819 mm) 1 1/4 - 7 UNC 62 lbs. *Materials: C Unplated Carbon Steel (Standard Material) T AISI 304 Grade Stainless Steel (A2 - 1.4301/1.4305) X AISI 316 Grade Stainless Steel (A4 - 1.4401/1.4571) Z Zinc Plated Steel (Special Order) Double Weld Plate [DWP] Double weld plates are used to make a double heavy clamp, with both sets of clamp halves in line with the piping. This design can accommodate double the operating pressure as the single heavy pipe clamps. The DWP is used in conjunction with the DCP below. Group Order Number L1 L2 Thread Weight H11 H4-DWP-11-* 20.00 in. (508 mm) 15.688 in. (398 mm) 1 1/4 - 7 UNC 71 lbs. H12 H4-DWP-12-* 26.00 in. (660 mm) 20.875 in. (530 mm) 1 1/4 - 7 UNC 88 lbs. H13 H4-DWP-13-* 27.50 in. (498 mm) 22.25 in. (565 mm) 1 1/4 - 7 UNC 93 lbs. H14 H4-DWP-14-* 30.00 in. (762 mm) 26.25 in. (667 mm) 1 1/4 - 7 UNC 106 lbs. H15 H4-DWP-15-* 36.00 in. (914 mm) 32.25 in. (819 mm) 1 1/4 - 7 UNC 127 lbs. *Materials: C Unplated Carbon Steel (Standard Material) T AISI 304 Grade Stainless Steel (A2 - 1.4301/1.4305) X AISI 316 Grade Stainless Steel (A4 - 1.4401/1.4571) Z Zinc Plated Steel (Special Order) Single Cover Plate [SCP] The cover plate is the standard top fixture for securing the clampwith hexagon head bolts. Group Order Number L1 L2 Weight H11 H4-SCP-11-* 18.25 in. (464 mm) 15.688 in. (398 mm) 28 lbs. H12 H4-SCP-12-* 26.00 in. (660 mm) 20.875 in. (530 mm) 88 lbs. H13 H4-SCP-13-* 24.75 in. (629 mm) 22.25 in. (565 mm) 40 lbs. H14 H4-SCP-14-* 28.75 in. (730 mm) 26.25 in. (667 mm) 45 lbs. H15 H4-SCP-15-* 34.75 in. (883 mm) 32.25 in. (819 mm) 55 lbs. *Materials: C Unplated Carbon Steel (Standard Material) T AISI 304 Grade Stainless Steel (A2 - 1.4301/1.4305) X AISI 316 Grade Stainless Steel (A4 - 1.4401/1.4571) Z Zinc Plated Steel (Special Order) Double Cover Plate [DCP] Double cover plates are used to make a double heavy clamp, with both sets of clamp halves in line with piping. This design can accommodate double the operating pressure as the single heavy pipe clamps. The DCP is used in conjunction with the DWP above. Group Order Number L1 L2 Weight H11 H4-DCP-11-* 18.25 in. (464 mm) 15.688 in. (398 mm) 60 lbs. H12 H4-DCP-12-* 23.50 in. (597 mm) 20.875 in. (530 mm) 77 lbs. H13 H4-DCP-13-* 24.75 in. (629 mm) 22.25 in. (565 mm) 82 lbs. H14 H4-DCP-14-* 28.75 in. (730 mm) 26.25 in. (667 mm) 96 lbs. H15 H4-DCP-15-* 34.75 in. (883 mm) 32.25 in. (819 mm) 115 lbs. *Materials: C Unplated Carbon Steel (Standard Material) T AISI 304 Grade Stainless Steel (A2 - 1.4301/1.4305) X AISI 316 Grade Stainless Steel (A4 - 1.4401/1.4571) Z Zinc Plated Steel (Special Order) Hexagon Head Bolt [HEX] The cover plate is the standard top fixture for securing the clamp with hexagon head bolts. Group Order Number L UNC Thread Weight H11 H4-HEX-11-* 17.5 in. (445 mm) 1 1/4 - 7 UNC lbs. H12 H4-HEX-12-* 21.50 in. (546 mm) 1 1/4 - 7 UNC lbs. H13 H4-HEX-13-* 24.00 in. (610 mm) 1 1/4 - 7 UNC lbs. H14 H4-HEX-14-* 27.50 in. (700 mm) 1 1/4 - 7 UNC lbs. H15 H4-HEX-15-* 33.50 in. (850 mm) 1 1/4 - 7 UNC lbs. *Materials: C Unplated Carbon Steel (Standard Material) T AISI 304 Grade Stainless Steel (A2 - 1.4301/1.4305) X AISI 316 Grade Stainless Steel (A4 - 1.4401/1.4571) Z Zinc Plated Steel (Special Order)