Marine Quick-closing Valve GB/T5744-93

 

marine quick closing valve

  • Application: Suitable for Sea water, Fresh water, Fuel oil and steam (t≤220℃)
  • Nominal Size: DN20-DN150
  • Nomimal Pressure: 0.25Mpa
  • Type: AS\AQ\ASS\AQS, BS\BQ\BSS\BQS

Material

Name Material Mark
Body, Cover Cast Steel ZG230-45
Disc Carbon Steel Steel 45#
Cylinder Body Cast Aluminum Bronze ZQA19-2
Stem Stainless Steel 2Cr13
Piston Zine Brass

H62

marine quick closing valve(AS)                        marine quick closing valve(BS)

Nominal Size
mm
D
mm
C
mm
n-d L
AS
mm
L
BS
mm
H
AS
mm
H
BS
mm
20 90 65 4-Ø11 150 90 240 320
25 100 75 4-Ø11 160 100 242 325
32 120 90 4-Ø14 180 105 245 330
40 130 100 4-Ø14 200 115 274 365
50 140 110 4-Ø14 230 125 283 381
65 160 130 4-Ø14 290 145 325 437
80 190 150 4-Ø18 310 155 350 466
100 210 170 4-Ø18 350 175 375 500
125 240 200 4-Ø20 400 200 400 540
150 295 225 4-Ø20 480 225 430 580

 

 

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