GB 594-1983 Marine external thread forged steel stop valve

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UDC 621.646 : 629.12: 669.14 National Standard of the People's Republic of China
GB594—83
Marine forged steel male thread stop valves
Marine forged steel male thread stop valves1983-12-15 Issued
1984-10-01 Implementation
National Standard
National Standard of the People's Republic of China
Marine forged steel male thread stop valves
Marine forged steel male thread stop valves—Gutong valve,
Right angle width.
Basic parameters are as shown in Table 1.
Public pressure》PN
kgf/cm2(MPa)
100.(9.8)
Nominal full DW
15 -32
UDC 621.646:629
+12:669.14
GB 5948 3
Replace GB 694—76
Fuel, liquid, fresh water, air and steam above 400Fuel, liquid, fresh water, air
3DNB~10 stop valve structure type and basic size refer to Figure 1, Figure 2 and Table 2. Type
Disassembly ruler
National Bureau of Standards 1983-12-15 issued
Vibrating car ruler S
1984-10-01 implementation
Type A Type B
GB 59483
Threaded joint
PN100,
422x1,5
DA6~10
4DN15~32 stop valve structure type and basic dimensions refer to Figure 3, Figure 4 and Table 3. A
period hand ruler small S
plate size,
A type B
0.8910.86www.bzxz.net
W. public
contract purchase inch
A type B
A type B
GE 54—83
le thread connector
M39×2
M48×2
PN100,
M3B×2
M39×2
M56 ×2
DW15~32
DN15~32
5 Marking example
PN100.DN10 Type A (straight-through) externally threaded forged steel stop valve: Straight-through stop valve A100010GR 594—83
PN40, DN32 Type B (right-angle) externally threaded forged steel stop valve right-angle stop valve B40032GB94—83
6 Materials
6.1 Materials for main parts are as per Table 4.
Parts name
DN6~10
DN15~32
Broad plate, ceramic rod
Stainless steel
Ordinary carbon steel
Stainless steel
Ordinary carbon steel
Forgeable casting
Sakamoto size
Type A Type B
K733-8
Type A Type B
GH1220—75
GH 700—79
GB122U75
GB 700—79
G78—67
W.GB 594—83
6.2 For the packing of the valve, if the order does not specify that it is for steam, do not use hemp or cotton. 6.3 The handwheel can be made of ductile iron QT40-17 (GB1348-78). If required, cast steel ZG25-Ⅱ (CB772-70) handwheel can be supplied.
The connection size of the threaded joint shall be in accordance with CB56-80 (pipe flat shoulder threaded joint). 8 The technical conditions for manufacturing, testing and acceptance shall be in accordance with GB600-82 "General Technical Conditions for Ship Pipeline Valves". Additional remarks:
This standard is proposed by China State Shipbuilding Corporation and is under the jurisdiction of Dalian Shipbuilding. This standard was drafted by Jiangxi Marine Valve Factory. The main drafter of this standard is Gan Lilong.
Main revision content: Add anti-loosening card, and change the external thread connection form from CB822-75 to CB56-80. W.
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