This standard is applicable to the external fixed faucet of bathtub installed on vertical wallboard, which is used as the water switch of the bathtub.
1 Structural type and dimension and performance parameters
1.1 Structural type
There is no general requirement for the structural type.
1.2 Structural dimension
1.2.1 The structural dimensions of the ordinary faucet of bathtub shall comply with those specified in Figure 1 and Table 1.
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1.3 Performance parameters
1.3.1 Nominal pressure: 5.9×105Pa (6kgf/cm2).
1.3.2 Applicable temperature: not higher than 100℃.
1.4 Materials
1.4.1 The casting copper parts shall be made of materials meeting the requirements of GB 1176-74 Cast copper alloys and may also be made of other copper materials provided that the technical requirements are ensured.
1.4.2 Other metallic and non-metallic materials, if adopted, must meet corresponding standards.
2 Technical requirements
2.1 The castings shall be free of defects such as shrinkage cavity, crack and air hole, and the core sand attached to the inner cavity shall be removed.