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BETTA KNIFE GATE VALVE, PN10, CC
Non-rising stem and Handwheel or Pneumatic Actuator
BETTA knife gate valve with non-rising stem and handwheel for wastewater treatment 0C to 80℃
KGV49X1-10Q
Connection
Flanged
Material
Ductile Iron
DN
DN50~300
PN
PN10
Closing Direction
Clockwise to Close

Test/Approvals:

Hydraulic test according to EN12266

Standards:

Face to face according to DIN/EN 558-1, series 20(K1)
Standard flange drilling to EN1092-2(ISO 7005-2), PN10

Features:

  • Replaceable top packing gland enables sealing replacement without disassembly of the valve
  • The valve is self-cleaning when opening the valve, an additional scraper is available for extra protection of the packing gland
  • Bi-directional, can be installed independent of the flow direction
  • Full bore with no reduction of the flow
  • Plain bottom prevents sediment from being accumulated
  • U-shaped one-piece NBR sealing between the body parts makes up for tolerances in coating and casting, it is reinforced with a steel insert to protect it from being damaged during operation
  • Supports integrated in the body casting protect the gate from deflecting under pressure
  • Gate, stem, bolts and nuts of acid-resistant stainless steel
  • Body of ductile iron for high strength and impact resistance, optionally of stainless steel or duplex
  • Approved according to the 97/23/CE European Pressure Equipment Directive
  • Slim design and low weight
  • Available with lever, non-rising stem and handwheel, rising stem and handwheel, pneumatic actuator, ISO top flange for actuator or complete with electric actuator
  • Available in larger sizes

Components tree:

1 Body bolt Stainless Steel 304
2 Body nut Stainless Steel 304
3 Bolt washer Stainless Steel 304
4 Body Ductile Iron EN-GJS400-15
5 U-shaped seal Rubber NBR+Q235A
6 Blade Stainless Steel 304
7 Packing Rubber NBR+PTFE
8 Seal retainer Plastic POM
9 Packing gland Stainless Steel 304
10 Gland bolt Stainless Steel 304
11 Bolt washer Stainless Steel 304
12 Nut bolt Stainless Steel 304
13 Stem nut Brass C48600
14 Stem Stainless Steel 304
15 Support stem Stainless Steel 304
16 Lower plate Ductile Iron EN-GJS400-15
17 Top plate Ductile Iron EN-GJS400-15
18 Plate bolt Stainless Steel 304
19 Bolt washer Stainless Steel 304

Reference nos. and dimensions:

BETTA ref. no. DN
mm
L
mm
H1
mm
H2
mm
W
mm
Theoretical
Weight/Kg
50KGV49X1-10Q 50 43 76 267 200 6
65KGV49X1-10Q 65 46 86 300 200 9
80KGV49X1-10Q 80 46 94 355 200 11
100KGV49X1-10Q 100 52 104 405 250 16
125KGV49X1-10Q 125 56 118 458 250 19.5
150KGV49X1-10Q 150 56 133 515 250 24.5
200KGV49X1-10Q 200 60 161 621 350 36
250KGV49X1-10Q 250 68 190 710 350 51
300KGV49X1-10Q 300 78 215 830 350 71

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