JB/T 2777-1992 PN16.0～32.0MPa non-porous lens pad

This standard specifies the type, size, and technical requirements of non-porous lens gaskets for forged high-pressure valves. This standard is applicable to non-porous lens gaskets with a nominal pressure of PN16.0 to 32.0 MPa and a nominal diameter of DN3 to 200 mm. JB/T 2777-1992 PN16.0 to 32.0 MPa non-porous lens gasket JB/T2777-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T 277792
PN16.0～32.0MPa Non-porous lens pad
Published on July 20, 1992
Implementation on January 1, 1993 by the Ministry of Machinery and Electronics Industry of the People's Republic of China
Mechanical Industry Standard of the People's Republic of ChinabZxz.net
PN16.0~32.0MPu Non-porous lens pad
1 Main content and scope of application
The standard specifies the maximum suitable type, size, technical requirements, etc. of non-porous lens pads. JB/T2777-92
Replaces #2777-
This standard is applicable to the reference standard of non-porous lens pads with a nominal force of 1.0-32.0MPa and a diameter of 3~200mm
74·2.1 Absolutely new type! 3.1 The hole diameter m minus m shall comply with the following figure: 102777 3.2 The dimensions of the hole shall be as follows: The Ministry of Machinery and Electronics Industry approved it on July 20, 1992 and implemented it on January 1, 1993. The technical requirements are as follows: Nominal diameter JB/T 277792
52.5±0.9
The technical requirements and inspection rules of the aperture mirror pad shall be in accordance with the provisions of JB/T450. Additional remarks:
This standard is proposed by the General Machinery Research Institute of the Ministry of Machinery and Electronics Industry. This standard is under the responsibility of the General Machinery Research Institute of the Ministry of Machinery and Electronics Industry. The main drafters of this standard are Fei Mingya and Xiaojiang.
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