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Knife Gate Valve 104 – bi-directional, two-piece body

DN50-1000 PN10-16
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Comprehensive Documentation
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Knife gate valve model 104 in sizes DN50–DN1000, with a pressure rating of PN10/PN16, featuring a two-piece body construction and a U-type seat.

Technical Specifications

  • Nominal diameter DN 50-1000
  • Nominal pressure PN10-16
  • Medium temperature -30 °C ... +200 °C
  • Types of Valve End Connections Wafer, lug
  • Leakage Class «А»
  • Mounting Position Any, except for downward-driven devices
  • Types of Control — manual (lever)

    — manual (handwheel)
    — manual (gearbox)
    — pneumatic actuation

    — electric actuation
  • Warranty Period 12 months
  • Average Service Life 2500 cycles
  • Guaranteed Service Life Not less than 1000 cycles

Technical Drawings and Dimensions

Nominal Pressure PN10

Basic Dimensions Table

DND, mmD1, mmD2, mmL, mmn-ød
50 165 125 102 48 4-M16
65 185 145 122 48 4-M16 / 8-M16
80 200 160 138 51 8-M16
100 220 180 158 51 8-M16
125 250 210 188 57 8-M16
150 285 240 212 57 8-M20
200 340 295 268 70 8-M20
250 395 350 320 70 12-M20
300 445 400 370 76 12-M20
350 505 460 430 76 16-M20
400 565 515 482 89 16-M24
450 615 565 532 89 20-M24
500 670 620 585 114 20-M24
600 780 725 685 114 20-M27

Tabular values for diameters DN700–DN1000 and for pressure PN16 are available upon request

Product Description

Material options

ComponentMaterialEN designation
Body
Ductile ironGGG40EN-GJS-400-15
Cast carbon steelASTM A216 WCBGP240GH (1.0619)
Cast stainless steelASTM A351 CF8 / CF31.4308 / 1.4309
Cast stainless steelASTM A351 CF8M / CF3M1.4408 / 1.4409
Duplex / Super duplexCast grade selected for the configurationAccording to specification
Gate
Stainless steelAISI 304 / 316 / 316L / 316Ti1.4301 / 1.4401 / 1.4404 / 1.4571
Seat
Elastomeric U-shaped seatEPDM / NBR / FKMSelected for the medium

Body, gate and seat materials are selected for the operating conditions. The material combination and operating limits are specified in the valve datasheet.

Knife gate valve model 104 in sizes DN50–DN1000, with a pressure rating of PN10/PN16, featuring a two-piece body construction and a U-type seat.
Knife gate valve model 104 in sizes DN50–DN1000, with a pressure rating of PN10/PN16, featuring a two-piece body construction and a U-type seat.
Knife gate valve model 104 in sizes DN50–DN1000, with a pressure rating of PN10/PN16, featuring a two-piece body construction and a U-type seat.
Knife gate valve model 104 in sizes DN50–DN1000, with a pressure rating of PN10/PN16, featuring a two-piece body construction and a U-type seat.
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