490100W233S5S F07 D14 1891

Butterfly valve, bare shaft

Item number: 88376005
Description
Type 490 Butterfly valve, bare shaft Edessa
DN 100 DN 100
Body configuration W Intermediate flange version (Wafer), length FTF EN 558 series 20
Operating pressure 2 10 bar
Connection type 3 PN 16 / flange EN 1092, face-to-face dimension FTF EN 558 series 20
Body material 3 EN-GJS-400-18-LT (GGG-40.3), epoxy coated 120 µm
Disc/shaft material S 1.4469, DUPLEX, steel, for DN 40 - DN 200 (disc/shaft), 1.4404 / 316L, stainless steel, for DN 250 - DN 1200 (disc), 1.4462, DUPLEX, steel, for DN 250 - DN 1200 (shaft)
Seat (liner) 5S TFM/silicone FDA approval
Execution type 1891 Butterfly valve body painted with 2K-epoxy paint RAL 9005 (jet black), layer thickness 120 µm
Actuator flange F07 F07, flange type DIN EN ISO 5211
Shaft connection and size D14 Square, diagonal, WAF 14 mm
Shaft length 17 17 mm

This article is listed as a Dual-Use-good according to Regulation EU 2021/821 under Control list No. 2B350g. If these goods are supplied to countries outside the EU, the relevant export restrictions apply.
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The GEMÜ 490 Edessa PTFE-lined butterfly valve has a bare shaft. The disc and shaft are one piece; body and liner are available in different designs. The butterfly valve is available in nominal sizes DN 25 to 1200 (1"–48"), in the standardized installation lengths: ISO 5752/20 | EN 558-1/20 | API 609 category A (DIN 3202 K1) available in wafer and lug body versions.

  • Suitable for chemically corrosive media
  • Bubble tight sealing, in accordance with EN 12266-1/P12, leak rate A
  • High-quality selection of materials can be combined in different ways
  • High level of plant reliability thanks to one-piece shaft and spring-washer-supported seal system
  • Long service life thanks to shaft bearings and special disc and liner geometry