GB 11692-1989 Bronze suction sea valve (four-position)

This standard specifies the product classification and technical requirements of bronze suction sea valves (four-position). This standard is applicable to fresh and seawater ship piping systems. GB 11692-1989 Bronze suction sea valves (four-position) GB11692-1989 Standard download decompression password: www.bzxz.net

DC629.12.D61-621.B46
National Standard of the People's Republic of China
GB11691--11692:89
Cast steel and bronze suction sea valves
(four-position)
Cast steel and bronze suction sea valves1989-10-14 Issued
State Bureau of Technical Supervision
1990-05-01 Implementation
National Standard of the People's Republic of China
Sea valve
Bmxe nuctinn set ratvesy
11692—89
This standard adopts S020%41974--stock purpose pipe reduction flange (meter increase connection size 3.5024411975% general purpose legal benefit ratio type and size 3, the connection length is 150>7b2—75826 flange and other systems in the metal valve structure length 3.! Subject content and scope of application
This standard is completed with blue suction sea (four-in 1. The standard is for the classification and technical requirements of products for sea vessels and seawater vessels. 2. Reference standards: GB2501 Dimensions and sealing of flanges for use with supersonic vessels (four-way flange connection); GB1698 General technical conditions for flange connections of metal pipes; GB33C32 Standards for pipe accessories for ships; 3. Product categories; 3.1 Basic specifications for sea vessels;
Specific weight k
3.2 The station structure dimensions of the certificate are shown in Figure 1 and Table 2. The National Technical Supervision Bureau 18B9-10-14 approved the public diameter r
1990-C5.c1 implementation
Conclusion average size
3.3 Marking example
GE11692
Nominal pressure D.4MPa nominal diameter 5Dmm adjustable suction pipe regret (time carry): mark: 1050
4.7 Technical requirements and test methods for seafarers according to GB600. 4.2 Material quality standards of seafarers according to GB2501. 4.4 Average length of connection for aluminium and steel GB11698 GB71592 S1412 4.5 Test regulations and methods for seafarers E60%. 5 Inspection rules
Type inspection
5.1.1 Type inspection shall be conducted in the following cases: new products, old products, brand 1, trial production, identification: b
After formal production, if the material and process have changed significantly, it may affect the product performance: during production, periodically or after a certain period of accumulation: when the national supervision agency puts forward the requirements for type inspection. Type inspection items shall be in accordance with Table 4.
5-2 Physical and chemical tests of external inspection parts, such as
Flowability, air flow, liquid tightness test
5.2.1 Products shall be inspected item by item before leaving the factory. 5.2.? The inspection items are listed in Table 4.
Japanese mark packaging
The two Lezhi of Tonghai will be GR3032.
6.2 The price of each cigarette is 690:
Additional instructions:
This standard is proposed by China State Shipbuilding Corporation. The Dalian Shipyard is responsible for the drafting of this new standard. The main drafter of this standard is Hengzhao.
This standard is a unified national standard,
Software No.
CB HXR—8?
GB4429—84www.bzxz.net
It should comply with the provisions of the association
It should comply with the provisions of the association C2
It should comply with the provisions of the association UB600.
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