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Database: 189759 (19 Oct 2025)
GB/T 7940.3-2001 English PDF
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GB/T 7940.3-2001
: Pneumatic fluid power -- Five-port directional control valves -- Part 3: Code system for communication of valve functions
Status: Obsolete
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GB/T 7940.3-2001
English
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Pneumatic fluid power -- Five-port directional control valves -- Part 3: Code system for communication of valve functions
Obsolete
GB/T 7940.3-2001
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Basic data
Standard ID
GB/T 7940.3-2001 (GB/T7940.3-2001)
Description (Translated English)
Pneumatic fluid power. Five-port directional control valves. Part 3: Code system for communication of valve functions
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
J20
Classification of International Standard
23.100.30
Word Count Estimation
12,163
Date of Issue
2001-02-26
Date of Implementation
2001-09-01
Quoted Standard
GB/T 7940.1-2001; GB/T 7940.2-2001; GB/T 17446-1998;
Adopted Standard
ISO 5599-3-1990; IDT
Issuing agency(ies)
State Quality and Technical Supervision
Summary
This standard specifies: valve function for the marking and identification Coding methods, identified in line with GB/T 7940. 1 and GB/T 7940. 2 valve mounting surface requirements all kinds of valves control functions coded code, This encoding is not directly used for product, because it did not affect product interchangeability performance (as rated pressure, electrical parameters, flow, overall dimensions) Description.