Siemens — Design

FLENDER Standard Couplings Torsionally Rigid All-Steel Couplings — ARPEX Series © Siemens AG 2015 General information Plate pack screw connection Patented 1) conical screw connection Before tightening the screw connection After tightening the screw connection Tightening screw Screw plug Taper bolt Washer Taper sleeve G_MD10_EN_00141a ARPEX flange ARPEX flange Plate pack 1) Protected by patent in a number of countries on the date of creation of this catalog. Features of plate pack screw connection 6 Close-fitting bolt connection Up to bolt size M22, the plate pack screw connection on ARPEX couplings is in the form of a close-fitting bolt connection.

After that the patented 1) conical screw connection is used. The deci- sive advantage of this screw connection is considerably simpli- fied fitting. The use of an hydraulic fitting tool is no longer neces- sary. All sizes can be fitted with a torque wrench. Close-fitting bolt G_MD10_EN_00142a A further feature of the conical screw connection is the genuine positive connection resulting in high centering accuracy and, thus, a high balancing quality. Material: High-grade quenched and tempered steel. Collar nut Plate pack The conical screw connection is used for the following coupling sizes: ARS-6 series: size 305-6 to 602-6 ARC-8/-10 series: all sizes ARP-6 series:

type NAN, size 325-6; type MCECM, size 310 and 345-6 ARW-4/-6 series: size 324-4 to 880-6 ARPEX flange ARPEX flange 1) Protected by patent in a number of countries on the date of creation of this catalog. 6/3 Siemens MD 10.1 · 2015