This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of rigid polyvinyl chloride adhesive socket pipe fittings made of polyvinyl chloride resin as the main raw material and added with necessary additives through injection molding. The pipe fittings specified in this standard are used in conjunction with the pipes specified in GB 5836.1-92. This standard applies to pipe fittings for drainage in civil buildings. Under the condition of considering the chemical resistance and temperature resistance of the material, it can also be used for industrial drainage pipe fittings. GB/T 5836.2-1992 Rigid polyvinyl chloride pipe fittings for building drainage GB/T5836.2-1992 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Unplasticized polyvinyl chloride fittings for drainage in buildings
Unplasticized polyvinyl chloride fittings for drainage in buildingsGB/T 5836.2—92
Replaces GB 5836--86
This standard adopts the international standard ISO3633 "Specification for Unplasticized Polyvinyl Chloride (PVC-U) Pipes and Fittings for Sewage and Wastewater Systems in Buildings" (first edition in 1991).
1 Subject Content and Scope of Application
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of unplasticized polyvinyl chloride adhesive socket fittings (hereinafter referred to as fittings) made of polyvinyl chloride resin as the main raw material, with necessary additives added, and injection molded. The fittings specified in this standard are used in conjunction with the pipes specified in GB5836.1-92. This standard applies to drainage fittings in civil buildings. It can also be used for industrial drainage fittings under the condition of considering the chemical resistance and temperature resistance of the materials.
2 Reference standards
GB 2828
Batch inspection counting sampling procedure and sampling table (applicable to inspection of continuous batches)Standard conditions for state adjustment and testing of plastic specimensGB 2918
GB5836.1 Rigid polyvinyl chloride pipes for building drainageGB 8801
GB 8802
GB 8803
Drop test method for rigid polyvinyl chloride pipe fittingswwW.bzxz.Net
Method for determination of Vicat softening temperature of rigid polyvinyl chloride (PVC-U) pipes and fittingsHot oven test method for injection molded rigid polyvinyl chloride pipe fittingsMethod for measuring dimensions of plastic pipes
GB 8806
3 Product classification
3.1 For the dimensions of the socket of fittings, see the provisions in Figure 1 and Table 1. 3.2 For elbows, tees and other pipe fittings, see Figure 2, Table 2 to Figure 11, Table 11. The dimensions of their sockets shall also comply with the provisions of Figure 1 and Table 1. The wall thickness of the pipe fittings shall be greater than or equal to the minimum wall thickness of the pipes of the same specification specified in GB5836.1. Approved by the State Administration of Technical Supervision on December 16, 1992 42
Implementation on August 1, 1993
Nominal diameter
GB/T5836.2—92
8888888888:
Figure 1 Bonding socket
Inner diameter d in the middle of the socket.
Minimum size
Note: A taper of less than 1° required for demoulding is allowed along the depth direction of the socket. a
Maximum size
Socket depth L
Nominal diameter d.
GB/T 5836.2-92
Figure 2 45° elbow
Z mnin
Nominal diameter d.
GB/T 5836.2—92
Figure 3 90° elbow
Nominal diameter d.
50×50
75×75
90×90
110×50
110×75
110×110
125×125
160×160
Z 2min
GB/T 5836. 2--92
Figure 490° Tee along the water
Ls3min
Nominal diameter d.
50×50
75×50
75×75
90×50
90×90
110x50
110×75
110×110
125×50||t t||125×75
125×110
125×125
160×75
160×90
160×110
160×125
160×160
GB/T 5836.2—92
545° oblique tee
Z amin
nominal diameter d.
110×50
110×75
GB/T 5836.2—
Figure ６ Bottle-type tee
nominal diameter d.
75×75
90×90
110×50
110×75
110x110
125×125
160×160
GB/T 5836.2--92
Figure 7 Straight cross
nominal diameter d.
50×50
75×50
75×75
90×50
90×90
110×50
110×75
110×110
125×50||t t||125×75
125×110
125×125
160×75
160×90
160×110
160×125
160×160
GB/T 5836.2--92
Figure 8 Oblique cross
Nominal diameter d.
50×50
75×75
90×90
110×50
110x75
110x110
125×125
160×160
ZAamin
GB/T 5836.2-92
Figure 9 Right angle cross
GB/T 5836.2-92
Nominal diameter d.
50×40
Picture 10 reducer
75×50
90×75
110x50
110×75
110×90
125×50
125 Nominal diameter d.
4 Technical requirements
GB/T 5836.2-92
Figure 11 Pipe clamp
4.1 Color
Pipe fittings are generally gray, and other colors can be agreed upon by both the supplier and the buyer. 4.2 Appearance
The inner and outer walls of the pipe fittings should be smooth and flat. No bubbles, cracks, obvious marks, depressions, uneven color, or decomposition discoloration lines are allowed. The pipe fittings should be complete and without defects, and the gates and overflows should be repaired and flat. 4.3 Specification size deviation
4.3.1 The average inner diameter and the depth of the socket in the middle of the pipe fitting should comply with the provisions of Figure 1 and Table 1. 4.3.2 The wall thickness of the pipe fitting should be greater than or equal to the wall thickness of the pipe of the same specification specified in GB5836.1. 4.4 The physical and mechanical properties of the pipe fittings should comply with the provisions of Table 12. Table 12
Vicat softening temperature, °C
Oven test
Drop test
No crack
No crack
Test method
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