DTPN-250 DTPN-250Download OPERATION, PARTS, AND SAFETY MANUAL. DTPN-250 AIR-POWERED TENSIONER PART NO. 306240 Posted in ACME and tagged ACME, DTPN-250, Operation Manual, Parts List, Pneumatic, Schematics, Tensioner ← DTP-125ULDTW-208 →