- Type: Check valve (type R)
- Design: Industrial valve in double eccentric disc design
welded design - Nominal size: DN 100 – DN 2000
- Nominal pressure: Up to PN 63
- Temperature range: -196 to +550 °C
- Flange connection: DIN, ANSI, BS, MSS, API, JIS etc.
butterfly valves with butt weld ends (up to DN 800) - Face-to-face lenght: DIN EN 558-1 / ISO 5752 series 14 (F4) or to customer specification
- Material: High-temperature pressure vessel steel 1.0425 (P265 GH/HII), 16 Mo3
Stainless steel 1.4541, 1.4571, 1.4301, 1.4401, 1.4439
Duplex 1.4462
Super duplex 1.4501, 1.4410
a.o. - Lining: Hard rubber, soft rubber, natural rubber, hard material coating
- Disc seal: NBR (Perbunan®), PTFE, 1.4571 graphite or PTFE lamellas, stainless steel
- Shaft seal: Stuffing box
Double or safety stuffing box
U-seal and O-ring NBR or FKM
U-seal and pressure ring PTFE
Double U-seal and O-ring made of NBR, FKM
Double U-seal and pressure ring PTFE - Drive: lever and weight as support (type R)
Check gear with infinitely adjustable hydraulic brake (type RBH)
Check gear with pneumatic opening/closing aid (RBH-Pn)
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KONRAD Armatur type series R
Overview drawing and parts list
KONRAD Armatur type series R
Exploded view
