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Marine Pneumatic Quick Closing Valve GB/T5744-2008 Type AQ/AQS

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China Marine Pneumatic Quick Closing Valve GB/T5744-2008 Type AQ/AQS:

Quick Closing Valve for Marine Use GB/T5744-2008 is mainly used on the marine oil pipe system to shut off the oil flow quickly. It can be manual or pneumatic.

Technical Specification:

Design Standard: GB/T5744-2008

Test Standard: GB600

Test Pressure: 0.3Mpa Air

Flange size as per GB2501, GB569

AS---Straight & Manual type with GB569 flange

ASS---Straight & Manual type with GB2501 flange

AQ---Straight & Pneumatic type with GB569 flange

AQS---Straight & Pneumatictype with GB2501 flange

BS---Angle & Manual type with GB569 flange

BSS---Angle & Manual type with GB2501 flange

BQ---Anlge & Pneumatic type with GB569 flange

BQS---Angle & Pneumatictype with GB2501 flange

Nominal Pressure(Mpa) Nominal Diameter(mm) Applicable medium Air Cylinder Working Pressure (Mpa)
0.25 20-150 fuel oil,lubrication oil and other oil. 0.3~0.7

Main Material:

Body-Cast Steel

Bonnet-Cast Steel

Disc-Carbon Steel

Stem-Stainless Steel

Piston-Brass

Air Cylinder--Bronze or Brass

Main Size List(mm):

Flange as per GB569

DN
(mm) 		Structure Dimension Thickness δ Flange Bolt hand wheel

Lift Range

m

cylinder volume
V
cm3 		Weight(kg)
L H L1 L2
AS
AQ 		BS
BQ 		AS
AQ 		BS
BQ 		D D1 D2 b d0 n Th Do S AS AQ BS BQ
20 150 95 240 320 143 44 6 95 68 48 11 13 4 M12 80 8 7 27 5.8 6.7 6.2 7.1
25 160 100 242 325 143 44 6 105 73 56 12 13 4 M12 80 8 9 27 6.6 7.5 6.8 7.7
32 180 105 245 330 143 44 6 115 83 64 13 15 6 M14 100 9 9 27 7.1 8.0 7.0 7.9
40 200 115 275 365 143 48 6 125 93 74 13 15 6 M14 120 11 12 27 10.1 11.0 9.6 10.5
50 230 125 283 381 143 49 7 135 103 84 13 15 6 M14 140 12 15 27 11.6 12.5 12.6 13.5
65 290 145 325 437 155 58 7 155 123 104 14 15 6 M14 140 12 19 58 18.7 20.0 16.7 18.0
80 310 155 350 466 155 58 7 170 138 118 14 15 8 M14 160 14 23 58 23.7 25.0 22.7 24.0
100 350 175 375 500 155 62 8 190 158 138 14 15 8 M14 180 14 30 58 31.8 33.0 27.8 29.0
125 400 200 400 540 155 68 9 215 183 164 14 15 10 M14 200 17 36 58 37.8 39.0 33.8 35.0
150 480 225 430 580 155 75 10 240 208 190 14 15 12 M14 225 19 45 58 47.8 49.0 38.8 40.0

Flange as per GB2501

DN
(mm) 		Structure Dimension Thickness δ Flange Bolt hand wheel Lift Range m cylinder volume
V
cm3 		Weight(kg)
L H L1 L2
ASS
AQS 		BSS
BQS 		ASS
AQS 		BSS
BQS 		D D1 D2 b d0 n Th. Do S ASS AQS BSS BQS
20 150 95 240 320 143 44 6 90 65 50 14 11 4 M10 80 8 7 27 6.8 7.6 7.2 8.0
25 160 100 242 325 143 44 6 100 75 60 14 11 4 M10 80 8 9 27 7.6 8.4 8.0 8.8
32 180 105 245 330 143 44 6 120 90 70 16 14 4 M12 100 9 9 27 9.2 10.0 9.0 9.8
40 200 115 275 365 143 48 6 130 100 80 16 14 4 M12 120 11 12 27 12.2 13.0 11.8 12.6
50 230 125 283 381 143 49 7 140 110 90 16 14 4 M12 140 12 15 27 14.9 15.7 15.9 16.7
65 290 145 325 437 155 58 7 160 130 110 16 14 4 M12 140 12 19 58 21.5 22.7 19.5 20.7
80 310 155 350 466 155 58 7 190 150 128 18 18 4 M16 160 14 23 58 25.8 27.0 24.8 26.0
100 350 175 375 500 155 62 8 210 170 148 18 18 4 M16 180 14 30 58 38.8 40.0 34.8 36.0
125 400 200 400 540 155 68 9 240 200 178 20 18 8 M16 200 17 36 58 46.3 47.5 42.3 43.5
150 480 225 430 580 155 75 10 265 225 202 20 18 8 M16 225 19 45 58 59.8 61.0 50.8 52.0
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