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QC/T 1062-2017

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QC/T 1062-2017 英文版 2099 购买 有增值税发票,[PDF]天数 <=4 道路运输轻质燃油罐式车辆 卸油阀 有效

   
标准详细信息 QC/T 1062-2017; QC/T1062-2017
中文名称: 道路运输轻质燃油罐式车辆 卸油阀
英文名称: Road tanker for light fuel transportation-adaptor for bottom loading and unloading
行业: 汽车行业标准 (推荐)
中标分类: T50
字数估计: 15,172
发布日期: 2017-01-09
实施日期: 2017-07-01
引用标准: GB/T 13927-2008; GB/T 5218; GB 12268
起草单位: 上海爱乐石油设备制造有限公司
归口单位: 全国汽车标准化技术委员会
标准依据: 工业和信息化部公告2017年第2号
范围: 本标准规定了道路运输轻质燃油罐式车辆上安装的卸油阀的术语和定义、要求、试验方法、检验规则和标识。本标准适用于道路运输罐式车辆上安装的卸油阀,其运输介质仅限于GB 12268界定的柴油或者轻质燃油(UN号1202)、车用汽油(UN号1203)、煤油(UN号1223)。

QC/T 1062-2017
Road tanker for light fuel transportation-adaptor for bottom loading and unloading
道路运输轻质燃油罐式车辆卸油阀
1 范围
本标准规定了道路运输轻质燃油罐式车辆上安装的卸油阀的术语和定义、要求、试验方法、检验
规則和标识。
本标准适用于道路运输罐式车辆上安装的卸油阀,其运输介质仅限于 GB 12268界定的柴油或
者轻质燃油(UN号 1202)、车用汽油(UN号 1203)、煤油(UN号1223)。
2 规范性引用文件
下列文件对于本标准的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本
标准。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本标准。
GB/T 13927-2008 工业阀门压力试验
GB/T 5218 合金弹簧钢丝
GB 12268 危险货物品名表
3 术语和定义
F列术语和定义适用于本标准。
3.1
卸油朗 loading and unloading vale
安装在道路运输轻质燃油罐式车辆上,用于车辆底部装/卸油的阀门。
3.2
适配器 adapter
卸油阀端部与外部对接的元件。
3.3
联锁装置 interlocking device
由气动联锁阀、气源开关、气体管路等组成的装置,安装于卸油阀上,在装卸油过程中对接输油
管的快速接头时,可通过联锁装置打开紧急切断阀。
3.4
水锤压力
管道系统由于液流状态(流速)突然变化而产生的瞬时压力。
surge pressure
3.5
密封M seal cap
安装在卸油阀上保护密封面并能保证密封的盖子。
3.6
视窗 sight glass
安装在阀门上可通过其观察阀门内部介质情况的装置。
4 要求
4.1 功能
卸油阀应具有以下功能:
a) 采用快速连接方式与外部耦合器进行机械对接;
b) 当关闭时保证密封。
4.2 驱动
4.2.1 卸油阀的驱动应满足以下要求:
a) 使用手动或其他方式开启阀门;
b) 阀门应能被鹤管输油阀或其他配套接头开启多
c) 阀门在开启驱动方式失效或断开后,应能自动关闭且保证密封。
4.2.2 在无内压的情况下,确保在 250 N 的水平推力下能推动卸油阀的阀瓣。
4.3 压力
4.3.1 卸油阀的公称压力不小于500 kPa。
4.3.2 卸油阀的水锤压力为公称压力的 5倍。
4.4 材料
4.4.1 卸油阀材料的选用必须充分考虑其与所接触介质的相容性。
4.4.2 卸油阀的壳体宜采用铝合金铸件或不锈钢铸件制造,不应采用铸铁和非金属材料制造。
4.5 温度范围
卸油阀的设计温度应为-20〜50;当有特殊环境要求时,设计温度宜为 - 40〜70。
4.6 联锁装置和其他选装附件的分配位置
4.6.1 卸油阀宜预留联锁驱动装置和其他选装附件的安装位置,其分配位置见附录 A。
4.6.2 联锁驱动装置应在52
4.7 尺寸要求
4.7.1 卸油阀适配器应符合附录 B 的要求,最大开启深度不得低于 50.8 mm(从密封面起计算)。
密封端的密封面与阀瓣密封面的平行度公差不得大于 0.1 mm,不包括倒角等过渡角。
4.7.2 卸油阀连接法兰尺寸应符合附录 C 的规定。
4.8 导静电电阻
卸油阀组件上任何一个可能与运输介质接触的导电零部件与卸油阀本体之间的导静电电阻不
得高于 10。
4.9 密封盖密封性
配备的密封盖应能在内部压力为25 kPa 时保证其不渗漏。
4.1 0 壳体强度
在设计温度范围内,卸油阀在 2.5 MPa 或 5倍公称压力两者中的较大值压力下,应无明显可见
62 mm 的范围内操作。
变形、损坏。
4.11 壳体密封性
在设计温度范围内和规定压力条件下,阀门的壳体(包括操作机构)及连接部位应能承受其内部
压力至少保压60 s,无明显可见渗漏。
4.12 阀座密封性
在设计温度范围内和规定的压力条件下,至少保压 60 s后,阀座与壳体接触面等处不允许有明
显可见渗漏。
4.13 操作性
装配完成的阀门通过启闭操作装置应能灵活开启和关闭,无卡阻现象,关闭时间不得超过 5 s。
4.14 使用寿命
4.15 选装附件
4.15.1 卸油阀装备的选装附件,不得影响卸油阀外壳密封性和壳体强度。
4.15.2 当配置视窗时,应能满足 4.11的要求。
5 试 驗 方 法
5.1 试验数量
型式试验样品数量为2件。
5.2 功能试验
5.2.1 将卸油阀按水平轴线固定好之后,靠手柄扳动阀门,阀门应能正常开启。
5.2.2 在无内压的情况下,使用250 N 的水平推力推动卸油阀的阀瓣,在5 s内连续推动 2次。
5.3 尺 寸
用精度为 0.02 mm 的游标卡尺或专用卡尺測量。
5.4 导静电试验.
5.4.1 试验前应4燥卸油阀及其零部件。
5.4.2 采用 500 V直流兆欧表测量电阻。
5.4.3 测量卸油阀组件上任何一个可能与介质接触的导电零部件与壳体之间的导静电电阻。
5.5 密封盖密封性试验
5.5.1 试验介质应是水、空气、煤油或黏度不髙于水的非腐蚀性液体之一。试验介质的温度应在
5~40。
5.5.3 试验时间:保持试压的持续时间不得少于60 s。
5.5.4 试验方法按 GB/T 13927-2008中表3的“止回阀”类执行。
5.6 壳体强度试验
5.6.1 试验介质应是水、煤油或黏度不高于k的非腐蚀性液体之一。试验介质的温度应在 5~
40。
5.6.2 壳体强度试验压力:按 4.10规定的要求。
5.6.3 试验时间:
a) 出厂试验保持试验压力的持续时间不得少于 60 s;
b) 型式试验保持试验压力的持续时间不得少于 10 min。
5.6.5 壳体强度试验方法按 GB/T 13927-2008 中表 3的“截止阀”类项执行。
5.7 壳体密封性试验
5.7.1 试验介质为空气。试验介质的温度应在 5〜40。
5.7.2 壳体密封试验压力:0.6 MPa。
5.7.3 试验时间:保持试压的持续时间不得少于60s。
5.7.4 壳体连接端封闭,阀内空腔处充满试验介质,使壳体承受内部压力。
5.7.5 壳体密封性试验方法按 GB/T 13927-2008中表 3的“止回阀”类项执行。
5.8 阀座密封性试验
5.8.1 试验介质应是水、空气、煤油或黏度不髙于水的非腐蚀性液体之一。试验介质的温度应在
5.8.2 阀座密封试验压力:20 kPa。
5.8.3 试验时间:保持试压的持续时间不得少于 60 s。
5.8.4 试验方法按 GB/T 13927-2008中表 3的“止回阀”类执行。
5.9 操作性试验
5.9.1 操作性试验应在正常大气压和室温环境下,用专用的启闭操作装置进行试验。
5.9.2 试验次数不得少于3次。
5.10 使用寿命试验
5.10.1 卸油阀进行 25 000次无润滑状态开启和关闭动作。
5.10.2 试验完毕后,按 5.8条再次进行阀座密封性试验。
6.1 出厂项目
6.1.1 每台产品均应按规定项目进行出厂检验,经生产企业检验合格并签发产品合格证后方可
出厂。
6.1.2 出厂检验项目:
a) 外观|
b) 壳体密封性试验;
c) 阀座密封性试验;
d) 操作性试验;
e) 导静电电阻。
6.2.1 凡属下列情况之一时,应进行型式检验
a) 新产品试制定型时;
b) 正式生产后,连续生产 3年或产量累计 10 000台时;
c) 正式生产后,如结构、材料、工艺有较大改变,可能影响产品性能时;
d) 出厂检验与型式检验有重大差异时。
6.2.2 型式检验时,如属 6.2.1中 a)、b)两种情况,应按本标准第 4章的内容进行检验;如属 6.2.1
中 c)、d)两种情况,可仅对受影响项目进行检验。
7 标识
7.1 卸油阀标识可铸刻在壳体本体上,或采用标识牌形式永久固定在壳体上,并清晰可见。
a) 制造厂名称或商标;
b) 制造厂定型号或装配代号;
c) 生产序列号或生产日期;
d) 其他需要特别说明的工作条件。
7.3 卸油阀应有开启和关闭的操作标识。

QC/T 1062-2017
Road tanker for light fuel transportation-adaptor for bottom loading and unloading
Road transport light fuel tank vehicle drain valve
1 Scope
This standard specifies the terms and definitions, requirements, test methods, and inspections of dump valves installed on road fuel light fuel tank vehicles.
Rules and identification.
This standard applies to the dump valve installed on road transport tank vehicles, and its transportation medium is limited to diesel or
These are light fuel oil (UN No. 1202), motor gasoline (UN No. 1203), and kerosene (UN No. 1223).
2 Normative references
The following documents are essential for the application of this standard. For dated references, only the dated version applies to this
standard. For undated references, the latest version (including all amendments) is applicable to this standard.
GB/T 13927-2008 Industrial valve pressure test
GB/T 5218 alloy spring steel wire
GB 12268 List of dangerous goods
3 terms and definitions
Column F terms and definitions apply to this standard.
3.1
Loading and unloading vale
Installed on the road transport light fuel tank vehicle, a valve for loading/unloading the bottom of the vehicle.
3.2
Adapter
The component of the end of the drain valve is externally connected.
3.3
Interlocking device
A device consisting of a pneumatic interlock valve, a gas source switch, a gas pipeline, etc., is installed on the oil discharge valve, and is connected to the oil during the oil loading and unloading process.
For quick coupling of the pipe, the emergency shut-off valve can be opened by the interlocking device.
3.4
Water hammer pressure
Transient pressure in a piping system due to a sudden change in the flow state (flow rate).
surge pressure
3.5
M seal cap
The cap is installed on the drain valve to protect the sealing surface and ensure the sealing.
3.6
Sight glass
A device installed on a valve through which the condition of the medium inside the valve can be observed.
4 Requirements
4.1 Function
The dump valve should have the following functions.
a) Mechanical connection with external coupler by quick connection;
b) Ensure sealing when closed.
4.2 Driver
4.2.1 The drive of the oil discharge valve shall meet the following requirements.
a) Open the valve manually or by other means;
b) The valve should be able to be opened by the crane pipe oil delivery valve or other matching joints.
c) The valve should be able to close automatically and ensure sealing after the open drive mode fails or is disconnected.
4.2.2 In the absence of internal pressure, ensure that the disc of the oil discharge valve can be pushed under a horizontal thrust of 250 N.
4.3 Stress
4.3.1 The nominal pressure of the oil discharge valve shall not be less than 500 kPa.
4.3.2 The water hammer pressure of the drain valve is 5 times the nominal pressure.
4.4 Materials
4.4.1 The selection of the material of the drain valve must fully consider its compatibility with the medium in contact.
4.4.2 The shell of the drain valve should be made of aluminum alloy castings or stainless steel castings, and should not be made of cast iron and non-metal materials.
4.5 Temperature range
The design temperature of the dump valve should be -20 ~ 50; when there are special environmental requirements, the design temperature should be -40 ~ 70.
4.6 Assignment of interlocks and other optional accessories
4.6.1 The installation position of the interlock drive and other optional accessories should be reserved for the oil discharge valve. For the allocation position, see Appendix A.
4.6.2 Interlock drive shall be
4.7 Dimensional requirements
4.7.1 The drain valve adapter shall meet the requirements of Appendix B, and the maximum opening depth shall not be less than 50.8 mm (calculated from the sealing surface).
The parallelism tolerance of the sealing surface of the sealing end and the sealing surface of the disc must not be greater than 0.1 mm, excluding transition angles such as chamfers.
4.7.2 The dimensions of the connection flange of the dump valve shall meet the requirements of Appendix C.
4.8 Conduction resistance
The static resistance between any conductive parts on the dump valve assembly that may come into contact with the transport medium and the dump valve body is not constant.
Go above 10.
4.9 Sealing Cap Sealability
Equipped with a sealing cap to prevent leakage at an internal pressure of 25 kPa.
4.10 Shell strength
In the design temperature range, the discharge valve should not be clearly visible under the larger pressure of 2.5 MPa or 5 times the nominal pressure.
Operate within 62 mm.
4.11 Case tightness
Within the design temperature range and the specified pressure conditions, the valve housing (including the operating mechanism) and connection parts should be able to withstand the interior
The pressure was maintained for at least 60 s, and no obvious leakage was observed.
4.12 Seat tightness
Within the design temperature range and the specified pressure conditions, after the pressure is maintained for at least 60 s, the contact surface between the valve seat and the casing must not be clearly defined.
Visible leakage.
4.13 Operability
The assembled valve should be able to be opened and closed flexibly through the opening and closing operation device, without jamming, and the closing time shall not exceed 5 s.
4.14 Service life
4.15 Optional accessories
4.15.1 Optional accessories for the dump valve equipment shall not affect the seal of the dump valve housing and the strength of the casing.
4.15.2 When configuring a window, it shall be able to meet the requirements of 4.11.
5 Test method
5.1 Number of tests
The number of type test samples is two.
5.2 Functional test
5.2.1 After the oil discharge valve is fixed according to the horizontal axis, the valve should be able to open normally by pulling the valve with the handle.
5.2.2 In the case of no internal pressure, use a horizontal thrust of 250 N to push the valve disc of the oil discharge valve, and push it continuously 2 times within 5 s.
5.3 Dimensions
Measure with vernier calipers or special calipers with an accuracy of 0.02 mm.
5.4 Static Conduction Test.
5.4.1 Before the test, the oil discharge valve and its parts should be dried.
5.4.2 Use 500 V DC megohmmeter to measure resistance.
5.4.3 Measure the electrostatic resistance between any conductive part on the drain valve assembly that may be in contact with the medium and the housing.
5.5 Sealing test of sealing cap
5.5.1 The test medium shall be water, air, kerosene or one of the non-corrosive liquids with a viscosity not less than that of water. The temperature of the test medium shall be between
5 ~ 40.
5.5.3 Test time. The duration of maintaining the pressure test shall not be less than 60 s.
5.5.4 The test method shall be implemented in accordance with the "Check Valve" category in Table 3 of GB/T 13927-2008.
5.6 Shell strength test
5.6.1 The test medium should be one of water, kerosene or a non-corrosive liquid with a viscosity not higher than k. The temperature of the test medium should be 5 ~
40.
5.6.2 Shell strength test pressure. According to the requirements specified in 4.10.
5.6.3 Test time.
a) The duration of the factory test to maintain the test pressure shall not be less than 60 s;
b) The duration of the type test to maintain the test pressure shall not be less than 10 min.
5.6.5 The shell strength test method shall be implemented in accordance with the “stop valve” category of Table 3 in GB/T 13927-2008.
5.7 Case tightness test
5.7.1 The test medium is air. The temperature of the test medium should be between 5 and 40.
5.7.2 Shell seal test pressure. 0.6 MPa.
5.7.3 Test time. The duration of maintaining the pressure test shall not be less than 60s.
5.7.4 The connection end of the shell is closed, and the cavity in the valve is filled with test medium, so that the shell can bear the internal pressure.
5.7.5 The test method for the tightness of the shell shall be implemented in accordance with the “Check Valve” category of Table 3 in GB/T 13927-2008.
5.8 Seat tightness test
5.8.1 The test medium shall be water, air, kerosene or one of the non-corrosive liquids with a viscosity not less than water. The temperature of the test medium shall be between
5.8.2 Valve seat test pressure. 20 kPa.
5.8.3 Test time. The duration of maintaining the pressure test shall not be less than 60 s.
5.8.4 The test method shall be implemented in accordance with the "Check Valve" category in Table 3 of GB/T 13927-2008.
5.9 Operational test
5.9.1 Operational tests should be conducted under normal atmospheric pressure and room temperature environments with dedicated opening and closing operating devices.
5.9.2 The number of tests shall not be less than three.
5.10 Life test
5.10.1 The drain valve is opened and closed 25 000 times without lubrication.
5.10.2 After the test is completed, perform the valve seat tightness test again according to 5.8.
6.1 Factory items
6.1.1 Each product shall be inspected from the factory according to the specified items, and only after passing the inspection by the manufacturer and issuing a product certificate
Leave the factory.
6.1.2 Factory inspection items.
a) appearance |
b) shell tightness test;
c) Seat tightness test;
d) operational tests;
e) Conductive resistance.
6.2.1 Type inspection shall be carried out in any of the following cases
a) When new products are trial-typed;
b) After the official production, continuous production for 3 years or a cumulative output of 10,000 units;
c) After the formal production, if the structure, material and process are changed greatly, which may affect the performance of the product;
d) When there is a significant difference between the factory inspection and the type inspection.
6.2.2 In the case of type inspection, if it is a) or b) in 6.2.1, it shall be inspected in accordance with Chapter 4 of this standard; if 6.2.1
In cases c) and d), only the affected projects can be inspected.
7 Identification
7.1 The identification of the oil discharge valve can be cast on the body of the casing, or it can be permanently fixed on the casing in the form of an identification plate and clearly visible.
a) manufacturer name or trademark;
b) manufacturer's model or assembly code;
c) serial number or date of production;
d) other working conditions that require special instructions.
7.3 The oil discharge valve shall be marked with opening and closing operations.
   
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