R487400L222R1WL0 GB880N 7057A

Butterfly valve, manual

Item number: 88852564
Description
Type R487 Butterfly valve, manually operated, body with C5-M coating (min. 250 µm) and integrated leakage groove, blow-out proof shaft with dust protection, multi-mounted thanks to PTFE bush, multiple seal system with insertion slope, material is easy to read when installed
DN 400 DN 400
Body configuration L Flange-mounted version (Lug), length FTF EN 558 series 20
Operating pressure 2 10 bar
Connection type 2 PN 10 / Flange EN 1092, FTF EN 558 series 20
Body material 2 EN-GJS-400-15 (GGG40), epoxy coated 250 µm
Disc material R EN-GJS-400-15 (GGG-40), RILSAN PA11 coated
Shaft material 1 1.4021
Shut-off seal material W EPDM (drinking-water-compliant)
Liner fixing L Liner loose
Control function 0 Manually operated (MA)
Actuator version GB880N Gearbox, cast iron
Execution type 7057 Gearbox with chain wheel, without chain (order chain/chain length separately)
Special execution A ACS certification
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The GEMÜ R487 Victoria soft seated metal butterfly valve is manually operated. It has a hand lever or gearbox depending on customer requirements. The butterfly valve is available in nominal sizes DN 25 to 600 and in standard installation lengths ISO 5752/20 | EN 558-1/20 | API 609 category A (DIN 3202 K1) in wafer, lug and U section body versions.

  • Low torques thanks to PTFE coated bushes
  • Bubble tight sealing, in accordance with EN 12266-1/P12, leak rate A
  • Liner material is easy to read when installed
  • Sleek disc design for higher Kv values
  • Robust body coating comparable to ISO 12944-6 C5
  • Various actuator types can be selected
  • Optional accessories are installed, set and tested so they are ready for operation