Standard_Parts_Catalogue

Page 378 | 1.4 Adjusting, Positioning, Locking with and without Position Indication GN 521.8 Disk Handwheels for Position Indicators GN 000.8 / GN 000.3 1 d 1 2 Bore code 3 d 2 4 Type How to order 1 2 3 4 GN521.8-200-B20-D 2 Bore code B Without keyway K With keyway 4 Type D With revolving handle • Disk handwheel with retractable handle • Disk handwheel with stainless steel bushing On request Handwheels GN 521.8 have a recess in the hub to accept a position indicator GN 000.8 and GN 000.3. For applications where these handwheels are by choice being used without the position indicators, a hub cap is available to cover the empty recess. see also... • Hub Caps GN 576 (for Hand Knobs / Handheels without Position Indicator) → Page 416 • Position Indicators GN 000.8 (Pendulum System, Analog Indication) → Page 366 • Position Indicators GN 000.3 (Pendulum System, Digital / Analog Indication) → Page 367 Information • Body Plastic (Polyamide PA) - - Reinforced, shock-resistant - - Temperature resistant up to 100 °C - - Black, matte finish • Hub bushing Steel, blackened • Threaded bushing brass to accept the Revolving handle • Revolving handles Plastic, technopolymer Black, matte finish • Grub screw DIN 916 with internal hexagon and serrated point • Keyway P9 DIN 6885 Page 1 → Page 2078 • ISO Fundamental Tolerances → Page 2151 • Plastic Characteristics → Page 2158 • RoHS Specification 1 3 d 1 d 2 H7 d 3 d 4 d 5 b l 1 l 2 ≈ l 3 l 4 r Ø For position indicators Bore Handle GN 000.8 Size GN 000.3 Size 125 B  8 B 10 22 35 76 27 22 63 41 65 49 22 60 60 200 B 16 B 20 30 42 76 38 34 70 40 90 80 25 60 60 Original design VDSC+I GXX