This standard specifies the product classification, technical requirements, test methods, inspection rules, marking and packaging of marine flange fire hydrants with flange connection dimensions according to GB 569 and GB 2501. This standard is applicable to fire fighting piping systems with fresh water and sea water as the medium. GB/T 2032-1993 Marine Flange Fire Hydrant GB/T2032-1993 Standard download decompression password: www.bzxz.net

UDC 679. 12. 01 : 614. 843. 152
National Standard of the People's Republic of China
GB 2032--93
Marine flanged fire hydrants
Marine flanged fire hydrants1993-07-21Published
Implemented on 1994-03-01
Published by the State Administration of Technical Supervision
National Standard of the People's Republic of China
Marine flanged fire hydrants
Marlue fianged fire hydrants1 Subject content and scope of application
GB203293
Signature GD2U32—
This standard specifies the flange connection dimensions and connection types of marine flange fire hydrants (hereinafter referred to as G69GH21), technical requirements, test methods, inspection rules, marking and packaging. This standard is used for water-locking and water-purifying fire-fighting piping systems. 2 Reference standards
GB569 Marine flange connection dimensions and sealing surfaces GBEC General technical conditions for pipe conditions GB2031 Marine flange fire hydrants Joints
GB2501 Flange connection dimensions and seals (four-position) GB3C32 Marine pipeline attachment markings
7.R/T[152001 Marine cast ceramic parts 3 Product classification
3.1 Fire extinguishing type regulations,
A--Flange connection dimensions according to E5S net through-type fire hydrant AS--Flange connection dimensions according to GB25nI straight-through fire hydrant B--Flange connection dimensions according to GB569 right-angle fire hydrant--Flange connection dimensions according to GB2501 right-angle fire hydrant ES 3.2 The fire hydrant shall be in accordance with the parameters in Table 1. 3.3 The dimensions of fire hydrants 3.3.1 The dimensions of fire hydrants of type A and type B shall be in accordance with Figure 1 and Table 2. The nominal diameter M of the pressure pipe is approved by the State Administration of Radio Frequency on July 21, 1993. The implementation standard is 2032-93 S V international standard. The effective static value is equal to 258145 GB 2032—93
Flange connection building dimensions
112595
135103
155123
A5 type, BS type refers to the structural dimensions of the inflammatory agent according to Figure 1 and Table 3. 3. 3. 2
Division letter
Light Peng Yu
240 1311
25914385
254170100
170143100
200170120,50
flange speed ruler small
250:10
155125
155145
3.3.3TFor the fire fighting hook size with positive force F of 3.0MP, according to the national 2 sticky forget 4 hand wheel
, it is equal to
5. 21:h-+b
net weight·kg
about equal to+
fi- 85
Nominal through
Overall dimensions
3.3.4 Marking example
GB2032--93
This flange continuous dimension
Nominal pressure is 1.9MPa. The nominal diameter is 50mm, according to the flange connection dimensions of G59 and the straight-through fire hydrant on the station surface: Fire hydrant AJ005DGB2032--93
Comfort is equal to
Special pressure is 1.MPa nominal The diameter of the fire hydrant is 65mm, according to the flange connection size and sealing surface (national advance) of GB2051:
Fire 8S10065GB2032-93
The working pressure is P8.5MPa. The nominal diameter is 50mE, according to the flange connection size of H569 and the required surface is straight: Fire hydrant B36050GB2032-93
4 Technical requirements
4.1 The technical requirements for fire hydrants are according to GBU3. 4.2 The materials of the main parts of the fire hydrant shall be as per Table 5, and the names of the parts, such as lubricating body, plate, valve, fire-fighting head, dense surface, non-metallic, GB 2032-93, etc., shall be made of brass or other materials. The flange connection size of the fire hydrant shall be as per B569.GB2501.4.3, ZQSn19-2, ZHSi3, QA19-2, 21151503, and the materials shall be alternately used. The fire-fighting connection of the fire hydrant shall be as per Type A and Type C of GB2031. 4.4
4.5 The lubrication of the fire extinguisher shall be in accordance with GB/T[J51.4.6 The sealing surface can be changed to a metal seal. 5 Test methods and inspection rules
5.1 The test method of fire extinguisher shall be in accordance with G600.
The requirements for type inspection and factory inspection shall be in accordance with Table 6. 5.2
Chemical composition inspection of accessories
Appearance inspection
Strength water test
Sealing water test
5.3 Each fire extinguisher shall be shipped only after passing the inspection in accordance with Table 6. 6 Marking and packaging
61 The marking of the fire extinguisher shall be in accordance with GB3032.
62 The packaging of fire extinguisher shall be in accordance with GB600.
Standard No.
CB863—E3
CB4429—B4
C9 883-83
CB:—83
According to G60D
Additional Notes:bzxZ.net
Proposed by China Railway General Corporation. B 203293
This standard is under the jurisdiction of China Railway General Corporation. This standard is issued by Dalian Ship Design Institute, and the 503 Institute is involved: The main drafters of this standard are Chang Qizhao and Wu Shaozeng. This standard was first issued in 1980, G2030)—80 European valve 3, the main contents of this standard revision: increase the wide flange connection size in line with GB2501 specification series, the name trap effect: solve the fire extinguishing performance, improve the structure, increase the joint and cover matching and straight type. This standard is revised according to DIN85221-65
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