5.2 尺寸特征 Dimensional characteristics
5.2.1 概述 General
General comment on drawings 图纸概述:
The design and construction of components without defined dimensions permit various design solutions to be adopted by the manufacturer.
没有确定尺寸的部件的设计和施工允许制造商采用各种设计解决方案。
Special cases are covered in 5.2.10.
特殊情况详见5.2.10。
5.2.2 Tap with visible body for horizontal surfaces 水平表面的明装龙头
The standardized dimensions of electronic opening and closing tapware (see Figure 3 and Table 4) shall:
电子开关龙头的标准尺寸（见图 3 和表 4）应：
— facilitate their mounting and interchangeability on sanitary appliances complying with EN 31, EN 35, EN 36, and EN 695;
便于在符合 EN 31，EN 35，EN 36 和 EN 695 标准的卫生设备上安装和互换；
— provide various options for connecting to the water supply.
提供各种连接到供水系统的选项。
Figure 3 — Tap with visible body for horizontal surface 水平表面的明装龙头
Table 4 — Dimensions 尺寸
| Dimension 尺寸 |
Values mm | Comments 注解 |
|---|---|---|
| A | G 1/2 B or G 3/4 B |
|
| B | 29 max. | |
| C | 11 min. | |
| D | 90 min. | Dimension from the centre of the outlet orifice as supplied. 从龙头体中心安装孔到出水口距离 |
| Ea | 25 min. | Dimension from lowest point of the outlet orifice to the mounting surface for taps intended for Type 1 supply systems and taps intended for Type 2 supply systems – except sinks. 从出口孔最低点到安装表面的尺寸用于1型供应系统的水龙头和 用于2型供应系统的水龙头系统-除了水槽。 |
| G | 45 min. | Smallest dimension of the tap base 底座的最小尺寸 |
| L | Value that enables the tapware to be mounted on a support between 1 mm and 18 mmin thickness and connected to the water supply. 该值使水龙头可安装在厚度在 1 毫米至 18 毫米之间的支架上，并连接到供水系统上。 |
a Larger dimensions may be required per national regulatory provisions. 每个国家的管理规定可能需要更大的尺寸。
NOTE Supply by flexible hose complying with EN 13618 is permitted. 允许采用符合EN13618标准的软管。
5.2.3 Taps with visible body for mounting on vertical surfaces 安装在垂直表面的明装龙头
The standardized dimensions of electronic opening and closing tapware (see Figure 4 and Table 5) shall:
电子开关龙头的标准尺寸（见图 4 和表 5）应符合：
— comply with Figure 4 and Table 5 in the case of inlet dimensions;
进水口尺寸符合图 4 和表 5;
— provide various options for connecting to the water supply.
提供各种连接到供水系统的选项。
Figure 4 — Threaded inlets of taps with visible body for mounting on vertical surfaces 用于安装在垂直表面上的明装螺纹进水水龙头
Table 5 — Dimensions of threaded inlets 螺纹进水孔尺寸
| Dimension | Values (mm) | Values (mm) |
|---|---|---|
| A | G 1/2 B | G 3/4 B |
| C | 11 min. | 13 min. |
5.2.4 In-line tapware with threaded inlet and outlet 带有螺纹进水口和出水口的嵌入式水龙头
5.2.4.1 Inlets and outlets aligned 进水口和出水口对齐
The standardized dimensions of electronic opening and closing tapware (see Figure 5 and Table 6) shall:
电子开关龙头的标准尺寸（见图 5 和表 6）应符合：
— comply with Figure 5 and Table 6 in the case of inlet dimensions;
进水口尺寸符合图 5 和表 6;
— provide various options for connecting to the water supply.
提供各种连接到供水系统的选项。
Figure 5 — Tapware with inlets and outlets aligned 进水口和出水口对齐的龙头
5.2.4.2 Inlets and outlets at right angles 进水口和出水口呈直角
The standardized dimensions of electronic opening and closing tapware (see Figure 6 and Table 6) shall:
电子开关龙头的标准尺寸（见图 6 和表 6）应符合：
— comply with Figure 6 and Table 6 in the case of inlet dimensions;
进水口尺寸符合图 6 和表 6;
— provide various options for connecting to the water supply.
提供各种连接到供水系统的选项。
Figure 6 — Tapware with inlets and outlets at right angles 进水口与出水口呈直角的水龙头
Table 6 — Dimensions of threads 螺纹的尺寸要求
| Dimension | Values （mm） | Values （mm） |
|---|---|---|
| A (male 外螺纹) | G 1/2 B | G 3/4 B |
| D (female 内螺纹) | G 1/2 | G 3/4 |
| C | 8 min. | 10 min. |
In the event of a different inlet and outlet size the nominal size is that of the inlet, and the outlet size shall be stated (e.g. In-line tapware G 1/2 B male with female outlet G 3/4 with inlet and outlet aligned).
如果不同进出口尺寸不同，则公称尺寸为进口尺寸，并应说明出口尺寸（例如，带有 G 1/2 B 外螺纹进水口的嵌入式水龙头，出水口为G 3/4 内螺纹，且进口和出口对齐）。
5.2.5 Concealed tapware for vertical surfaces 用于垂直表面的隐蔽式水龙头
The dimensions are left to the discretion of the manufacturer. 尺寸由制造商自行决定。
5.2.6 Mixing valves for horizontal surface 水平安装的混温龙头
5.2.6.1 General 概述
The standardized dimensions of electronic opening and closing mixing valves (see Figure 7, Figure 8 and Table 7) shall:
电子开合混温龙头的标准化尺寸（见图7、图8和表7）应符合：
— facilitate mounting and interchangeability on sanitary appliances complying with EN 31, EN 35, EN 36, and EN 695;
便于在符合EN31、EN35、EN36和EN695标准的卫生器具上进行安装和互换；
— provide various options for connecting to the water supply.
提供各种连接到供水系统的选项。
5.2.6.2 Supply by tube 连接软管供水的水龙头
**Figure 7 — Mixing valves for horizontal mounting threaded inlet 水平安装螺纹进口的混温龙头 **
Figure 8 — Mixing valves for horizontal mounting,stud connection 水平安装螺柱固定的混温龙头
Table 7 — Dimensions of mixing valves
| Dimension | Values mm |
Comments |
|---|---|---|
| D | 90 min. | Dimension from the centre of the outlet orifice, to the center of axis J, with or without flow rate regulator, as supplied |
| Ea | 25 min. | Vertical distance from the lowest point of the outlet orifice, to the mounting surface of the tap |
| G | 45 min. | Dimension of base or flange |
| G1 | 50 max. | Diameter of clamping washer |
| J | 33.5 max. | The 2 supply pipes and the fixing device shall fit into a circle of diameter J. |
| T | Copper tube ∅ 10 Or: Hose in accordance with EN 13618 with: |
Plain or G 3/8 female thread or G3/8 B male or G 1/2 female thread or G1/2 B male Plain end exterior ∅ 10 or with G 3/8 (male or female thread) or G1/2 (male or female thread) |
| U | 350 min. | May be reduced down to 220 subject to agreement between the manufacturer and the customer |
| V | 32 max. | Maximal dimension of projection to rear measured from axis of diameter J |
L and L1 Value that enables the tapware to be mounted on a support from 1 mm to 18 mm thickness.
a Larger dimensions may be required per national regulatory provisions.
5.2.6.3 Supply by flexible hose
Supply hoses shall comply with the requirements of EN 13618.
5.2.7 Mixing valves with visible body for mounting on vertical surfaces with captive nuts and eccentric unions
The standardized dimensions of electronic opening and closing tapware (see Figure 9 and Table 8) shall:
— inlet dimensions of mixing valves shall comply with Figure 9 and Table 8;
— provide the various options for connecting to the water supply.
5.2.8 Mixing valves with opposed inlets
The standardized dimensions of electronic opening and closing tapware shall:
— inlet dimensions of mixing valves with opposed inlets comply with Figure 10 and Table 8 in the case of inlet dimensions of mixing valves with opposed inlets;
— provide various options for connecting to the water supply
Figure 9 — Mixing valve with captive nuts and eccentric unions
Figure 10 — Mixer with opposed inlets
Table 8 — Dimensions
| Dimensions | Values mm |
Commets |
|---|---|---|
| Aa | G 1/2 B | EN ISO 228-1 |
| A1 | G 3/4 | EN ISO 228-1 |
| A2 | 9 min. | Useful length of thread (excluding washer) |
| A3 | 15 min. | Useful length of thread |
| B | 15 min. | Useful length of thread |
| D | G 1/2 | EN ISO 228-1 |
| G1 | (140 to 160) | Extension of this range is permitted |
| G | 150 ± 1 |
a It is permitted to serrate or knurl this thread to assist the retention of sealing tape or compounds. In such cases, the lower deviation tolerance on the basic major diameter indicated in EN ISO 228-1 may be increased to – 0,35 mm.
Use of deformable washers is permissible.
NOTE Other dimensions are permissible (for replacement) when market tradition requires it, provided the manufacturer specifies the actual dimensions in literature to avoid confusion with the standard dimension – which can be achieved using an excentric connection.
5.2.9 Nozzle outlets for use with flow rate regulators
Nozzle outlets to accept flow rate regulators shall be in accordance with EN 246.
Nozzle outlets not in accordance with EN 246 are covered by 5.2.10.
5.2.10 Special cases
Tapware intended for special applications e.g. for installation on sanitary appliances not conforming with European Standards or where dimensional interchangeability is not a requirement may incorporate dimensional deviations, provided:
— all other requirements of this standard are satisfied;
— secure fixing to the mounting surface is provided with all fixing holes covered;
— thread connection to the supply pipes complies with EN ISO 228-1;
— suitable air gap dimension or a backflow prevention device is provided.
The manufacturer’s literature including the installation instructions supplied with the tapware shall indicate clearly that the tapware has unique characteristics e.g. not standard dimensions.