JB/T 2001.74-1999 Types and sizes of nuts for water systems

JB/T 2001.74-1999 This standard is a revision of JB 2077-84 "Types and sizes of nuts for hydraulic presses". This standard specifies the types and sizes of nuts for hydraulic presses. This standard applies to nuts that match the columns of presses. This standard was first issued in 1984. JB/T 2001.74-1999 Types and sizes of nuts for water systems JB/T2001.74-1999 Standard download decompression password: www.bzxz.net

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Standard of the Machinery Industry of the People's Republic of China
JB/T 2001.1~2001.74—1999
Water system components
Water system assembly and parts1999-06-28 Issued
National Machinery Industry Bureau
2(-01-U1 Implementation
Standard of the Machinery Industry of the People's Republic of China
Type and size
Water system nut season
Watersystera-NutTypendslze
The standard specifies the type and size of nuts for hydraulic presses. This standard applies to nuts matching the vertical bars of presses: 2. Reference standards
JB/T 2001.74—1990
JR2077-Appendix
The provisions contained in the following standards are quoted in this standard and become the text of this standard. At the time of this standard, the versions shown are valid. All standards will be revised. The parties using this standard should explore the possibility of using the latest versions of the following standards. [B/T200173-19 Water Hydrogen System 45° Sawtooth Source Grade Tooth Type and Dimensions 3 Type and Size
3,! Liquid Bottom Hanging Screw Properties The type and size of the nuts are in accordance with the provisions of 1 and Table 2. 3.2 The two half nuts of the hydraulic press are connected by bolts. The type and size of the half nut are in accordance with Figure 2 and Table 2. 3.3 The size of the nut for hydraulic press is in accordance with the provisions of JB/T201.73. Ue
Half-nut: 2-nut: 3-nut typewwW.bzxz.Net
National Inspection Machinery Industry Kitchen 1999-06-28 Approved 21℃
2000-01-01 Real
Butterfly outer diameter
JB/T 2001.74—1999
M21 × t50
M3O ×IRO
M3G × 200
M42×240
M64 ×350
arlsr:
Technical outer diameter
:ds426mm
FB/F2001.74—1999
147140
157!150
167160
17;180
M72×4GO
M72 ×450
M9C × 450
ta>159mei
H, : 8,
4Marking example
[B/T2001.74—1999
Table 2 (end)
720: 620
Frequency nut for pressure reducer with outer diameter a=600mmYS600JB/T2001.74-199
1722521
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