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AS2638.2 Double Flange, BETTA RESILIENT SEATED GATE VALVE, PN16, CC or ACC
AS2638.2-2011, DN50~DN400
Flanged gate valve to AS2638.2. For drinking water and neutral liquids to max.40℃
ASZ42X1-16Q
Connection
Flanged
Material
Ductile Iron
DN
DN50~400
PN
PN16
Closing Direction
Clockwise to Close
   
Anti-Clockwise to Close

Test/Approvals:

Hydraulic test according to AS2638.2-2011 Seat: 1.1PN, Body: 1.5PN
Closing torque test to AS2638.2 Table5.1
AS2638.2 Registration No. 25731
WaterMark Registration No. 25731

Standards:

Designed and certified according to AS2638.2-2011
Face to face according to AS2638.2-2011
Flange drilling according to AS4087 Fig.B5/AS2129 Table D/E

Features:

  • Ductile iron grade of GJS500-7 body and bonnet for high strength and impact resistance
  • Wedge fully vulcanized with drinking water approved EPDM rubber and equipped with slide shoes to provide smooth operation
  • Wedge and body guide rails ensure stable operation
  • Stainless steel 431 stem and rolled threads for high strength
  • O-ring stem seals replaceable under allowable working pressure
  • Straight through full bore
  • Low operating torque
  • Fusion bonded epoxy coating to AS4158&4020, WRAS, AS, DIN approved
  • Body/bonnet bolts sealed with hot melt
  • Option of DN450~600 with ISO top flange, eye lifting bolts and roller bearings providing low operating torques
  • Option of DN450~600 with bypass valve
  • All fasteners of S.S.316 for corrosion resistance

Components tree:

1 Body Ductile Iron BS500-7
2 Wedge Ductile Iron EPDM Encaps
3 Stem nut Aluminum Bronze C95210
4 Stem Stainless Steel 1Cr17Ni2(431)
5 Bonnet gasket Rubber EPDM
6 Bonnet Ductile Iron BS500-7
7 Bonnet bolt Stainless Steel 316(CF8M)
8 Washer Plastic POM
9 Wahser Aluminum Bronze C95210
10 O-ring Rubber NBR
11 Stem seal Rubber NBR
12 Seal retainer Plastic POM
13 Gland Stainless Steel 316(CF8M)
14 Dust seal Rubber EPDM
15 Gland bolt Stainless Steel 316(CF8M)
16 Stem cap Ductile Iron BS500-7

Reference nos. and dimensions:

BETTA ref. no. DN
mm
L
mm
H1
mm
Flange Drilling to AS4087 Fig.B5 & AS2129 Table D/Emm  
D C G T f n-d Theoretical
Weight/Kg
AS  2129 AS
4087
AS  2129 AS
4087
AS
2129
AS 4087 AS  2129 AS
4087
TABLE-D TABLE-E TABLE-D TABLE-E TABLE-D TABLE-E
50ASZ42X1-16Q 50 178 260 150 114 90 - 17 19 - 1.6 - 4-φ18 - 12
65ASZ42X1-16Q 65 190 270 165 127 103 - 17 19 - 1.6 - 4-φ18 - 15
80ASZ42X1-16Q 80 203 310 185 146 122 19 18 1.6 3 4-φ18 22
100ASZ42X1-16Q 100 229 340 215 178 154 19 22 20 1.6 3 4-φ18 8-φ18 4-φ18 24
125ASZ42X1-16Q 125 254 405 255 210 186 - 21 22 - 1.6 - 8-φ18   - 46
150ASZ42X1-16Q 150 297 450 280 235 211 207 21 21 22 23 1.6 3 8-φ18 8-φ22 8-φ18 53
200ASZ42X1-16Q 200 292 580 335 292 268 264 22 22 25 23 1.6 3 8-φ18 8-φ22 8-φ18 90
225ASZ42X1-16Q 225 310 670 370 324 - 296 - 24 - 3     8-φ18 130
250ASZ42X1-16Q 250 330 670 405 356 328 25 24 1.6 3 8-φ22 12-φ22 8-φ22 134
300ASZ42X1-16Q 300 356 780 455 406 378 374 376 25 29 30 1.6 4 12-φ22 12-φ26 12-φ22 180
350ASZ42X1-16Q 350 381 830 525 470 438 - 29 - - 1.6 - 12-φ26 - 216
375ASZ42X1-16Q 375 381 935 550 495 - 463 - - 33 - 4 - 12-φ26 278
400ASZ42X1-16Q 400 406 1010 580 521 489   29 32 - 1.6 - 12-φ26 - 297

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