High-pressure pumps by Danfoss, world leading manufacturer | Danfoss
Instructions for Danfoss models including: APP 21, APP 30, APP 38, APP pumps High Pressure Tap Water Pump, APP pumps, High Pressure Tap Water Pump, Pressure Tap Water Pump, Tap Water Pump, Water Pump, Pump
File Info : application/pdf, 2 Pages, 1.08MB
DocumentDocumentInstruction APP pumps APP 21 and APP 38 with Ceramics Recommended service intervals © Danfoss | 2024.07 AX44h92p5p7.8d6a4n71fo2esns-.0c0o0m102 | 1 Instruction Recommended service intervals for APP 21 and APP 38 pumps with Ceramics Table of Contents 1. General information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2. Design/features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1. General information This guideline provides information on the recommended service intervals. The recommendation is based upon good engineering practice and on experience gained from operation even under extreme conditions. The recommendation is for guidance only. 2. Design/features Danfoss APP pumps are designed for long After one year of operation it is recommended operation and low maintenance and life cycle to inspect the pump and replace worn parts, if costs. any. If the Danfoss recommendations concerning system-design (see our data sheet) are not Provided that the pump has been running followed, the service life of the APP pumps might according to the Danfoss specifications, Danfoss be affected. guarantees one year service-free operation, however, max. 18 months from date of The recommended service intervals on the production. different parts in the APP pumps appear from the table below: Pos. Qty. Description 1 11, 125, 211* 121, 181* 31 66 92 91 61 65 64 71 62 63 142 124, 215* 125 93 * * * 152 3, 129* 67 1 Housing, main bearing 1 Mounting flange/ end flange 1 Port flange 1 Swash plate 5/7/9 Piston 1 Valve plate 1 Port plate 1 Cylinder barrel 1 Retainer plate 1 Retainer ball 1 Retainer guide 1/4 Spring 1 Spring guide 1 Stop for shaft seal 1 Shaft seal 1 Cover/flange for shaft seal 5/7/9 Back-up ring O-ring (overall) Screw (overall) Pin (overall) 1 Valve cone (flushing valve) 2 Bleeding screw 1 Key * depends on pump size Material Duplex, PEEK Wetted part: Duplex Dry part: AISI 316L Duplex Super Duplex Super Duplex and PEEK Super Duplex Super Duplex, PEEK Super Duplex Super Duplex Super Duplex Super Duplex Duplex Duplex or PP PP Hastelloy and NBR Super Duplex PTFE NBR AISI 316 AISI 316, Duplex or PEEK Duplex or PEEK Duplex AISI 316 Service interval APP 30/1200 rpm No need for service No wear part No wear part 80,000 hours 32,000 hrs. 48,000 hours 48,000 hours 48,000 hours 48,000 hours 48,000 hours 48,000 hours 48,000 hours 48,000 hours No wear part 32,000 hours No wear part 32,000 hours 32,000 hours 32,000 hours No wear part 64,000 hours No wear part 48,000 hours Service interval APP 38/1500 rpm No need for service No wear part No wear part 80,000 hours 24,000 hrs. 48,000 hours 48,000 hours 48,000 hours 48,000 hours 48,000 hours 48,000 hours 48,000 hours 48,000 hours No wear part 32,000 hours No wear part 32,000 hours 32,000 hours 32,000 hours No wear part 64,000 hours No wear part 48,000 hours 2 | AX449257864712en-000102 © Danfoss | DCS-SFDPT/SI | 2024.07