1 Scope
This standard specifies the terminologies and definitions, classification, technical requirements, inspection methods, inspection rules as well as nameplate, packaging, storage and transportation of electromagnetic pulse valves for bag filters.
This standard is applicable to combined type magnetic pulse valve and separated type magnetic pulse valve for bag filters.
2 Normative References
The following documents are indispensable for the application of this document. For dated references, only the dated edition is applicable to this document. For undated references, the latest edition (including all the amendments) applies.
GB/T 191 Packaging - Pictorial Marking for Handling of Goods
GB 4208-2008 Degrees of Protection Provided by Enclosure (IP Code)
GB/T 13277.1-2008 Compressed Air - Part 1: Contaminants and Purity Classes
JB/T 9536-1999 Environmental Technical Requirements of Corrosion Resistant Low-voltage Appliance for Indoor and Outdoor Use
3 Terminologies and Definitions
For the purpose of this document, the following terminologies and definitions apply.
3.1
Pulse valve
Valve that is controlled by such pilot valves as magnetic pulse valve or pneumatic valve and is capable of opening and closing compressed gas and generating air pulse instantly.
3.2
Magnetic pulse valve
Foreword i
1 Scope
2 Normative References
3 Terminologies and Definitions
4 Classification
4.1 Classification by Switching Element of Pulse Valve
4.2 Classification by Assembly Method of Pulse Valve
4.3 Classification by Input/Output Port Position of Pulse Valve
4.4 Classification by Interface Form of Pulse Valve
5 Technical Requirements
5.1 Working Environment of Magnetic Pulse Valve
5.2 Air Supply Condition
5.3 Threshold Voltage
5.4 Close Pressure
5.5 Pressure-resistant performance
5.6 Insulation Property
5.7 Electromagnetic Coil Junction Box Protection Grade
5.8 Electromagnetic Coil Conduction Time
5.9 Anticorrosive Grade
5.10 Opening Stroke of Pulse Valve
5.11 Blowing Performance
5.12 Service Life of Magnetic Pulse Valve
5.13 Appearance
6 Inspection Methods
6.1 Inspection Conditions
6.2 Threshold Voltage Inspection
6.3 Close Pressure Inspection
6.4 Pressure Resistance Inspection
6.5 Insulation Inspection
6.6 Electromagnetic Coil Junction Box Protection Grade Performance Inspection
6.7 Inspection of Opening Stroke of Pulse Valve
6.8 Temperature and Humidity Inspection
6.9 Switching Characteristic Curve Inspection
6.10 Inspection of Pressure Ratio for Output/Input
6.11 Inspection of Rising Rate of the Outlet Pressure
6.12 Inspection of Difference between Air Pulse Duration and Electric Pulse Duration
6.13 Blowing Flow Inspection
6.14 Switching Element Service Life Inspection
7 Inspection Rules
7.1 End-of-manufacturing Inspection
7.2 Type Inspection
8 Nameplate, Packaging, Marking, Storage and Transportation
8.1 Nameplate
8.2 Supply Contents
8.3 Packaging and Marking
8.4 Storage and Transportation
