米。
H4 PROCEDURE H4 程序
The procedure shall be as follows: 程序如下：
(a) Secure the joint assembly in the water tank and then fill the tank with cold water. Condition the joint assembly in the tank for 20 +5, ?0 min and, after the con-ditioning period has elapsed, wipe any sign of condensation from the inside of the joint assembly. After a further 10 +5, ?0 min, inspect the inside of the joint assembly to ensure that it is completely dry.
(a) 将连接组件固定在水箱内，然后向水箱内加注冷水。让连接组件在水箱内保持20 +5, ?0分钟进行调节，调节周期过后，从连接组件内部擦掉所有凝结水。再保持10 +5, ?0分钟后，观察连接组件内部确保完全干燥。
(b) Apply the test pressure of 10 +0.1, ?0 kPa for 2 +0.25, ?0 h followed by an increase in test pressure to 80 +0.1, ?0 kPa for a further period of 2 +0.25, ?0 h.
(b) 施加10 +0.1, ?0 kPa的测试压力，保持2 +0.25, ?0小时，之后再施加80 +0.1, ?0 kPa的测试压力，保持2 +0.25, ?0小时。
(c) At the completion of the test period and prior to the release of the test pressure, inspect the joint and fitting for any sign of leakage.
(c) 测试周期结束后，在未释放测试压力前检查接头和连接件是否存在任何渗漏迹象。 H5 REPORT H5 报告
The following information shall be reported: 需要报告下列信息：
(a) Class and size of pipe and fitting under test. (a) 用于测试的管子和连接件的等级及尺寸。 (b) Any leakage in the joint or fitting. (b) 接头或连接件的任何渗漏。
(c) Reference to this test method, i.e. AS 2537, Appendix H. (c) 参考本测试方法，也就是AS 2537，附录 G。
排气阀
连接液压泵入口
压力计
阀
连接件
螺纹接套 压力容器
连接螺纹接套
图1：液体渗透测试典型装置
封盖法兰
FIGURE H1 TYPICAL APPARATUS FOR LIQUID INFILTRATION TEST
APPENDIX I
METHOD FOR DETERMINING PRESSURE RESISTANCE OF A JOINT
(Normative)
附录I
接头耐压性确定方法
（规范性）
I1 SCOPE I1 范围
This Appendix sets out a method for determining the resistance to pressure of assembled joints of fittings and cross-linked polyethylene pipe.
本附录规定的方法用于确定装配后的连接件和交联聚乙烯管接头的耐压性。 I2 APPARATUS I2 设备
The following apparatus is required: 需要下列设备：
(a) General The apparatus specified in Appendix C shall be used, except where other apparatus is specified below.
(a) 总则：除以下规定的其他设备外，应使用附录C规定的设备。
(b) End connections Fittings shall be provided that will make a watertight connection at each end of the joint assembly. One fitting shall be connected to the hydraulic system permitting the joint assembly to be suspended vertically. Fittings of the type illustrated in Figure Il are considered suitable.
(b) 终端连接：应提供能在每个连接组件的端部做到水密性连接的连接件，应将一个连接件接到液压系统上，让连接组件能够垂直悬挂。图Il所示类型的连接件被认为是合适的。 (c) Testing environments The following apparatus is required: (c) 测试环境：需要下列设备：
(i) A water bath maintained at 20 ±5°C. (i) 保持20 ±5°C的水箱。
(ii) A hot water bath or a means for testing in hot air at a temperature of 95 ±2°C. (ii) 热水箱或其他方式，需要使得测试在95 ±2°C的热空气中进行。
WARNING: SUITABLE PROTECTION SHALL BE PROVIDED SO THAT THE OPERATOR IS NOT EXPOSED TO A SAFETY HAZARD IF PIPES BURST.
警告：应提供适当保护使得如果连接组件爆裂，操作员不会受到危险伤害。 I3 PREPARATION OF JOINT ASSEMBLIES I3连接组件的准备
Six joint assemblies shall be prepared as illustrated in Figure Il, three for each test temperature. All outlets shall be sealed and rendered watertight with appropriate caps, plugs or blank ends. The free end of each joint assembly shall be unsupported and unrestrained.
应准备如图Il所示的六个连接组件，两种测试温度各三个样品。所有出口都应用合适的盖子、塞子或堵头封住并做水密性处理。各连接组件的自由端不受支撑和限制。 I4 CONDITIONING OF JOINT ASSEMBLIES I4 连接组件的环境调节
At the commencement of conditioning, each joint assembly shall be filled with water. It should be ensured that all air is released from the system. Conditioning may be carried out with the joint assemblies connected to the test apparatus.
各连接组件在调节开始时应充水，应确保所有气体都已从系统中排出。可以在连接组件连接到测试设备上时实施调节。
Three joint assemblies shall be conditioned at 20 ±5°C and the other three at 95 ±2°C for a period of not less than 1 h immediately prior to testing.
在测试正好开始前，将三个连接组件置于20 ±5°C条件下调节，另外三个置于95 ±2°C条件下调节，调节周期不小于1小时。 I5 PROCEDURE I5 程序
The procedure shall be as follows: 程序如下：
(a) Determine the minimum wall thickness and the mean outside diameter of the cross- linked polyethylene pipe to be used with each joint assembly in accordance with the method described in AS 2492, Appendix B. Calculate the internal hydrostatic pressure to be applied from the following equation:
(a) 按照AS 2492，附录B描述的方法，确定需要与各连接组件配合使用的交联聚乙烯管的最小壁厚和平均外径，并按照下列公式计算需要施加的内部液压值：
where 其中：
P = internal hydrostatic pressure (to be applied), in megapascals P = 内部液压（需要施加），单位：MPa。 S = hoop stress (see Table Il), in megapascals S = 环向压力(见表Il)，单位：MPa。 Tmin. = minimum wall thickness, in millimetres Tmin. = 最小壁厚，单位：毫米。
Dm = mean outside diameter, in millimetres. Dm = 平均外径，单位：毫米。
Alternatively, for production control purposes, the values for minimum mean outside diameter (Dm min.) and maximum wall thickness (Tmax.) given in Table 3 of AS 2492, may be used to calculate the test pressure.
另外，为生产控制之目的，AS 2492表3给出的最小平均外径(Dm min.)和最大壁厚(Tmax.)值也可用来计算测试压力。
TABLE I1 HOOP STRESS
表I1：环向压力 Test temperature 测试温度 20 ±5°C 95±2°C
(b) Condition the joint assemblies in accordance with Paragraph I4. (b) 按照I4的要求对连接组件做环境调节。
(c) Connect a joint assembly to the apparatus provided, if not already connected. Ensure that all
air is excluded.
(c) 如果连接组件尚未与设备连接起来，则需要连接。需要确保所有空气都已排出。
(d) Apply the internal hydrostatic pressure, reaching the calculated test pressure within 30 s to 60 s of first admitting pressure, and maintain this with an accuracy of ±2% throughout the test.
(d) 施加内部静水压力，让其在30-60秒内达到计算的测试压力，并在整个测试过程中保持精度±2%的该测试压力。
(e) Maintain the temperature of the test environment in contact with three of the joint assemblies at 95 ±2°C, and at 20 ±5°C for the other three joint assemblies, for the duration of the test (165 +24, ~0 h).
(e) 让整个测试过程中(165 +24, ~0 小时)接触其中三个连接组件的空气温度保持在95 ±2°C，接触另外三个连接组件的空气温度保持在20 ±5°C。 (f) At the completion of the test period and prior to the release of the test pressure, inspect each joint assembly for any sign of leakage.
(f) 测试周期结束后，在未释放测试压力前检查接头和连接件是否存在任何渗漏迹象。 I6 REPORT I6 报告
The following information shall be reported: 应报告下列信息：
(a) Class and size of pipe and fitting under test. (a) 用于测试的连接件的等级和尺寸。
(b) Pipe dimensions, including minimum wall thickness and mean outside diameter. (b) 管子尺寸，包括最小壁厚和平均外径。
(c) Internal hydrostatic pressure applied to each joint assembly. (c) 施加给各连接组件的内部静水压力。 (d) Any leakage in the joints or fittings. (d) 接头或连接件的任何渗漏。
Hoop stress, MPa 环向压力，MPa 10.5 4.6 Duration, h 周期，小时 165 +24, ?0 165+24, ?0