Page 179 - Catalogue 2019

KNIFE GATE VALVE WB 11 KNIFE GATE VALVE TYPE 11

TECHNICAL DATA
MATERIAL SPEZIFICATION AND PARTS LIST
Nominal diameter: DN 50 - DN 300
1
Face-to-face: EN 558-1 Series 20 2c
ISO 5752 Reihe 20 2
2b
2a 18
Flange drilling: EN 1092 PN 10 25
ASME Class 150 1b
3
20
Marking: EN 19 20a
4 20b
Tightness check: EN 12266 (Leakage rate A) 4a 7g
ISO 5208 Class A 4b 7e
6 7f
Temperature range: max. 120°C 7 7c
8c
7d
8b
Actuators: Hand wheel, ratchet wrench, chain 8a 13b
wheel, bevel gear, pneumatic cylinder, 8 13a
electric motor, hydraulic cylinder 9 13

10
Operating pressure: DN 50 - DN 300: 10 bar 16
10c

The knife gate valve type WB is designed, manufactured, in-
spected and tested according to the European Pressure Equipment
Directive(PED 97/23/EC), category II module A1 and therefore CE Pt. Part Material (description) Pt. Part Material (description)
marked. 1 Hand wheel 7 Beam
Coated cast iron Aluminium (EN AW-6063-T6)
Ø 200 - Ø 315 (EN-JL1040 (GG25)) 8 Gland
FEATURES 2 Yoke Coated carbon steel (ASTM A216 (WCB))
- Box packing Twin Pack™ gives high operation reliability Coated steel (EN 1.0038) Coated nodular iron (EN-JS1050 (GGG50))
2a Bearing 8a Stud bolt
- Bi-directional sealing Brass (CuZn39Pb3) Stainless steel (A2)
- Casted one piece body 2b Slide washer 8b Washer
- Integrated fl angesealing 1. 2c Bearing POM 8c Nut Stainless steel (A2)
- Piggable design Brass (CuZn39Pb3) Stainless steel (A2)
3 Stem 9 Box packing
Stainless steel (EN 1.4016) See equipment D
4 Stem nut 9a Box bottom scraper
GENERAL APPLICATIONS 4a Washer Brass (CuZn39Pb3) 10 Valve Body > DN 200 UHMWPE
- Water and waste water Stainless steel (A2) Stainless steel
4b Bolt 10c Flange sealing
- Biogas plant
Stainless steel (A2) Nitrile
- Sugar industry 5 Tie rod 13 Sealing profi le
- Power plants and steel works Stainless steel (EN 1.4301) PTFE
2. 5a Washer 16 Gate Guard not for HW
- Chemical industry
Stainless steel (A2) Coated steel (EN 1.0038)
- Food and beverage industry 5b Nut 18 Cylinder
Stainless steel (A2) See datasheet
6 Gate
1. The integrated body seal ensures tightness when mounted 1.4401
between fl anges.
2. The pressure stressed sealing principle ensures permanent
tightness.

* Recommended spare parts Subject to change without notice

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WB 11 5.1 www.ebro-armaturen.com
01.2019