JB/T 3166-1999 This standard is a revision of JB 3166-82 "S-type double-sided removable clips". During the revision, the material was revised accordingly according to the changes in steel standards. This standard specifies the varieties, specifications, technical requirements, marking and packaging of S-type double-sided removable clips. This standard is applicable to the connection clips between the tray plates, internal manhole channel plates and support rings or beams (main beams, supporting beams) of plate tower equipment in the chemical and petroleum industries. This standard was first issued in 1982. JB/T 3166-1999 S-type double-sided removable clips JB/T3166-1999 standard download decompression password: www.bzxz.net

ICS75.180
Machinery Industry Standard of the People's Republic of China
JB/T3166-—1999
S-type double-sided dismountable holding down clip
S-type double-sided dismountable holding down clip1999-07-12 Issued
National Machinery Industry Bureau
2000-01-01 Implementation
JB/T3166—1999
This standard is a revision of JB3166—82 "S-type double-sided dismountable holding down clip". Compared with JB3166-82, the main technical content of this standard has been changed as follows: According to the changes in steel standards in Table 1, the material has been modified accordingly. This standard replaces JB3166—82 from the date of implementation. This standard is proposed and managed by Lanzhou Petroleum Machinery Research Institute. The responsible drafting unit of this standard: Lanzhou Petroleum Machinery Research Institute. Drafters of this standard: Dong Yiliang, Song Qixiang, Du Ming This standard was first issued in 1982: This revision is the first revision. This standard is interpreted by Lanzhou Petroleum Machinery Research Institute. 1
1 Scope
Mechanical Industry Standard of the People's Republic of China
S-type double-sided dismountable holding down clip
S-type double-sided dismountable holding down clip This standard specifies the varieties, specifications, technical requirements, marking and packaging of S-type double-sided dismountable clips. JB/T3166—1999
Replaces JB3166—82
This standard applies to the clips used to connect the tray plate, internal manhole channel plate and support ring or beam (main beam, supporting beam) of plate tower equipment in the chemical and petroleum industries.
2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are all valid. All standards are subject to revision. Parties using this standard should explore the possibility of using the latest version of the following standards. GB/T 1961981
GB/T7021986
GB/T 912—1989
GB/T1220—1992
GB/T3280—1992
GB/T 61701986
JB/T1205—1980
3 Varieties and specifications
Basic dimensions of common thread (diameter 1～600mm) Hot-rolled round steel and square steel varieties
Carbon structural steel and low-alloy structural steel Hot-rolled thin steel plates and steel strips Stainless steel bars
Stainless steel cold-rolled steel plates
Type 1 hexagonal nuts Grade A and B
Technical conditions for tower trays
3.1S-type double-sided removable clips are composed of clips, pads, studs, nuts and other parts. Their structure, dimensions and materials are shown in Figures 1 to 5 and Table 1.
The thickness of the applicable support ring or beam shall not be greater than 20mm. If materials not specified in Table 1 are required, they can be proposed separately when ordering and indicated on the drawing. Table 1
Q235-A
OCr18Ni9
0Cr17Ni12Mb2
Approved by the State Machinery Industry Bureau on 1999-07-12 PadbZxz.net
Q235-A
OCr18Ni9
0Cr17Ni12Mo2
OCr18N9
OCr17N12Mb2
Q235-A
0Cr18Ni9
0Cr17Ni12Mo2
200 0-01-01 Implementation
JB/T3166-1999
Support ring
Figure 2 Card plate
Stud nut
JB/T3166-1999
Figure 3 Pad
Figure 4 Stud
4 Technical requirements
Support frame
JB/T3166-1999
Figure 5 S-type clip installation diagram
Tray plate
4.1 The sheet material used for manufacturing S-type double-sided removable clips shall comply with the requirements of GB/T912 or GB/T3280: the profile shall comply with the requirements of GB/T702 and GB/T1220.
4.2 The thread of the stud shall be manufactured in accordance with GB/T196. 4.3 The nut adopts GB/T6170 hexagonal nut M10. 5 Marking and packaging
5.1 The marking of S-type double-sided removable clip consists of two parts - S means "S-type double-sided removable clip"; A means that the material of the card plate, pad, nut is Q235-A, and the material of the stud is 1Cr13; - B means that the material of the card plate, pad, nut, stud is 0Cr18Ni9; - C means that the material of the card plate, pad, nut, stud is 0Cr17Ni12Mo2. Marking example:
The S-type double-sided removable clip made mainly of carbon steel O235-A is marked as: S-type double-sided removable clip SAJB/T3166—19995.2 If the user needs, the mark can be printed on the surface of the finished product. The printing method and marking content shall be agreed upon by the supply and demand parties. The acceptance and packaging of 5.3S type double-sided detachable clips shall comply with the provisions of JB/T1205. 4
Republic
Mechanical Industry Standard
S-type double-sided detachable clip
JB/T3166—1999
Published and issued by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Sheet 1/2
Word count 10000
First printing in November 1999
First edition in November 1999
Print count 1-500
Price 500 yuan
No. 99-1017
Mechanical Industry Standard Service Network: http/AvwwJB.ac.cn66699
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