This standard specifies the types and dimensions of hydraulic diaphragm accumulators. This standard applies to diaphragm accumulators with a nominal pressure not higher than 40MPa, a nominal volume not greater than 16L, petroleum-based hydraulic oil, emulsion or water as the working medium, and an operating temperature of -10~70℃. JB/T 7034-1993 Types and dimensions of hydraulic diaphragm accumulators JB/T7034-1993 Standard download decompression password: www.bzxz.net
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Machinery Industry Standard of the People's Republic of China JB/T7034-93 Types and dimensions of hydraulic isolated accumulators Published on September 23, 1993 Ministry of Machinery Industry of the People's Republic of China Implementation on July 1, 1994 Mechanical Industry Standard of the People's Republic of China Types and dimensions of hydraulic diaphragm accumulators 1 Subject content and scope of application This standard specifies the types and dimensions of hydraulic diaphragm accumulators (hereinafter referred to as accumulators). JB/T 703493 This standard applies to diaphragm accumulators with a nominal pressure not higher than 40MPa, a nominal volume not greater than 16L, using petroleum-based hydraulic oil, emulsion or water as the working medium, and an operating temperature of -10 to 70℃. Reference Standards GB2352 Hydraulic Isolation Accumulator Nominal Pressure and Volume Series 3 Types and Dimensions According to the structural type, this accumulator is divided into three types: A, B, and C. The type and dimensions of the A type accumulator are specified in Figure 1 and Table 1; the type and dimensions of the B type accumulator are specified in Figure 2 and Table 2; the type and dimensions of the C type accumulator are specified in Figure 3 and Table 3. RM Figure 1A type accumulator Approved by the Ministry of Machinery Industry on September 23, 1993 B type accumulator Implemented on July 1, 1994 Nominal volume Nominal volume JB/T7034-93 Figure 3C type accumulator Table 1 Sizes of type A accumulators with nominal pressures of 6.3, 10, 20, and 31.5 MPa Maximum discharge flow rate| |tt||Nominal pressure Nominal diameter M27×2 Type B accumulator dimensions with nominal pressures of 6.3, 20, 40 MPaMaximum discharge flow 12-M27 12-M30 12-M39 Nominal volume Marking method Marking example: JB/T7034-93 Table 3 Nominal pressure C-type energy device with a force of 6.3, 10, 20, 31.5 MPa Size Maximum discharge flow M27×2 M39×2 JB/T703493 Working medium Hydraulic oil: A Emulsion: RA Water: H Connection type Threaded connection: L Flange connection: F Nominal pressure, MPa Nominal Volume, L Structural type: Type A, Type B, Type C Hydraulic diaphragm accumulator Nominal pressure is 6.3MPa, nominal volume is 1L, connection type is flange connection, and Type B diaphragm accumulator with water as working medium is marked as: GXQB-1/6.3-F-HJB/T7034-93 Additional instructions: This standard is proposed by the National Hydraulic and Pneumatic Standardization Technical Committee. This standard is under the jurisdiction of the Beijing Institute of Automation of the Ministry of Machinery Industry. This standard was drafted by the Xi'an Heavy Machinery Research Institute of the Ministry of Machinery Industry and the Hebei Zhuolu High-Pressure Gas Cylinder Factory. The main drafters of this standard are Lai Yongzhi, Zheng Qifu, and Li Zhisheng. 3 People's Republic of China Mechanical Industry Standard Types and dimensions of hydraulic diaphragm accumulators JB/T7034-93bzxZ.net Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (PO Box 8144, Beijing 100081) No reproduction Copyright reserved Format 880×12301/16 Printing sheet 1/2 Number of words 6000 First edition in May 1994 First printing in May 1994 Number of copies 00,001-500 Price 3.00 yuan No. 1277 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.