This standard specifies the product classification, technical requirements, test methods, inspection rules, marking and packaging of marine flange cast iron check valves (hereinafter referred to as check valves) with flange connection dimensions in accordance with GB569 and GB2501. This standard is applicable to marine piping systems with media such as seawater, fresh water, lubricating oil, fuel oil and steam with a temperature not exceeding 220°C. GB/T 592-1993 Marine flange cast iron check valve GB/T592-1993 standard download decompression password: www.bzxz.net

UDC 629. 12. 01 : 621. 646. 2W52
National Standard of the People's Republic of China
GB/T 592—93
Marine cast iron flanged lift check valves1993-05-24 Issued
National Technical Supervision Bureau
1994-01-01 Implementation
National Standard of the People's Republic of China
Marine cast iron flanged lift check valves
Marine cast iron flanged lift check valves1 Main content and scope of use
GB/T 592-93
Business 6B59264
This standard specifies the product classification, technical requirements, test methods, inspection specifications, marking and packaging of flange connection size GB669, GB250I flange stop valve (hereinafter referred to as review>. The rate standard is applicable to new ship piping systems with water, water reduction, lubrication, fuel oil and steam with a diameter not exceeding 230°. 2 Reference standard difficult
flange reverse connection along the month Size and sealing surface
Marine pipeline reading parts power supply technical conditions
Joint flange description and sealing and (four-position) general road accessories mark
GB3032
Solution flange connection Jinfeng valve structure length area GH13698
2B/U52G01 Marine cast valve fiber wall original
3 Product classification
3.1 The types of temporary suspension are as follows,|| tt||A-type flange connection dimensions GB56 straight check female B-wing flange connection dimensions, 69 right angle check limit A3-type flange connection dimensions 2501 straight check period: Type-flange connection dimensions according to 2501 front right angle French two, 3.2 read the basic parameters of the connection table 1.wwW.bzxz.Net
3.3A-type, B check structure dimensions connection diagram 1. Use -2 rate 2 National Technical Supervision Bureau 1993-05-24 Batch temperature classification common mother DNV
85~150
20--50
1994.01-01 actual drag
A, AS type
outline size
GB/T592-93
13512a
3.4A5 type stop question connection into 4 road 1 Figure 2 and table %F
Figure 2D type BS type
te. 1 12.y
. de. ti 41. 2
Overall dimensions
3.5Marking example
1108165
GB/T592—93
52.c·56.4
8.1 :15 6
21.6122-7
40.2:22.3
1. k24. 9x
Nominal pressure is 1.6MPa, nominal diameter is 0mm, according to the flange connection size and seal of GB569, the marine flange cast straight check net,
t width A16050GH692m3
Nominal pressure is 1.0MPa. Nominal diameter is 150mm, connected with the flange connection size and seal of GB2501 (four-position> special right angle check width,
KS10150GB/T592-93
4 Technical requirements
4.1 Technical requirements for the intermediate valve connected to GR 6 core. 4.2 The production requirements of the same stop parts and materials are shown in Table 4. Parts
Ring position. Valve benefit
Special ancient plate
Quick ridge copper
GB/T 592--93
7Qu1e-2
20A192
4.3 Return flange connection size G569, GB25014.4AS type, BS type stop can be attached to the average length of the connection GH11698.4.5 Check rate connection ZB/120C-
5 Test methods and inspection rules
5.1 Test method for stop letter GR600
5.2 Vertical inspection Factory inspection items according to Table 5. Table 5
Quick mechanical properties of full determination
! Appearance inspection
Strong pull stop
Sealing water pressure test
Each check valve 5 item by item inspection before passing the dangerous goods can leave the factory. 6 Marking and packaging
67 What is the marking of the check valve? GB3032.
6.2 The packaging of H600 is the same as that of GB3032.
Additional instructions:
This standard is proposed by China Shipbuilding Industry Corporation. This standard is issued by China Shipbuilding Industry Corporation 03 Institute
This standard is issued by the Design Institute of Large Speed ​​Ship. 603 Institute and Xiaodao Valve Factory will add. This standard was mainly drafted by Shi Gong, and the standard was formulated in 1965 as the original national standard GB592-65. From the date of the implementation of the standard, the foreign trade standards CBM83-814 PN10 flange check valve and CBM86-81+PN16 flange check valve were used as standards.
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