Mechanical seal standard-

Mechanical seal standard
　2017-04-12　　
Pump mechanical seal standard
Abstract: GB/T 5661-2004 axial suction centrifugal pump mechanical seal and cavity size for soft packing stipulates the stepped balancing machinery used in horizontal axial suction centrifugal pumps that comply with GB/T 5662 Dimensions of seals, mechanical seals suitable for straight shafts, and sealing cavities for soft packing
　　 GB/T 5661-2004 Axial suction WRY thermal oil pump mechanical seal and cavity size for soft packing
　　 GB/T 5661-2004 axial suction centrifugal pump mechanical seal and cavity size for soft packing stipulates the stepped balanced mechanical seal used in horizontal axial suction centrifugal pumps that comply with GB/T 5662, It is suitable for the size of the mechanical seal of the straight shaft and the sealing cavity for soft packing.
　　 GB/T 3345-88 Mechanical seal of marine pump shaft
　　 GB/T 3345-88 Marine pump shaft mechanical seal specifies the product classification, technical requirements, test methods, inspection rules, Signs and packaging.
　　 GB/T 3346-88 Variable pressure mechanical seal for marine pump shaft
　　 GB/T 3346-88 Variable pressure mechanical seals for marine pump shafts specifies the product classification, technical requirements, tests and methods, inspection rules, packaging and guarantees of variable pressure mechanical seals for marine pump shafts.
　　JB/T 7371-1994 Mechanical seal for alkali resistant pump
　　 JB/T 7371-1994 Alkali-resistant pump mechanical seal specifies the type, parameters, main dimensions, model and variety expression methods, technical requirements, test and inspection methods, installation and use requirements, etc. of the mechanical seal for alkali-resistant pumps.
　　JB/T 7371-1994 Alkali-resistant pump mechanical seal is suitable for alkali-resistant pump mechanical seal
　　JB/T 7372−1994 Mechanical seal for acid-resistant pump
　　 JB/T 7372−1994 mechanical seals for acid-resistant pumps stipulate the basic type, main dimensions, parameters, materials, model representation methods, technical requirements, etc. of mechanical seals for acid-resistant pumps.
　　 JB/T 7372−1994 acid-resistant pump mechanical seal is suitable for acid-resistant pump mechanical seal.
　　JB/T 1472-1994 pump mechanical seal
　　 JB/T 1472-1994 pump mechanical seal stipulates the basic type, main dimensions, model representation method, technical requirements, etc. of the mechanical seal for Wuyan thermal oil pump.
　　 JB/T 1472-1994 pump mechanical seals are suitable for rotary mechanical seals and other mechanical seals similar to rotating shafts.
　　 JB/T 6614-1993 Boiler feed water pump mechanical seal technical conditions
　　 JB/T 6614-1993 boiler feed water pump mechanical seal technical conditions stipulate the main types of boiler feed water pump mechanical seal, namely requirements, test and inspection methods, inspection rules and other requirements.
　　 JB/T 6614-1993 boiler feed water pump mechanical seal technical conditions are suitable for heavy mechanical seals used in conjunction with boiler feed water pumps whose boiler water temperature is not higher than 260°C
　　JB/T 5966-1995 Mechanical seal for submersible electric pump
　　 JB/T 5966-1995 submersible electric pump mechanical seal specifies the type, parameters and main dimensions, model representation method, technical requirements, test methods and inspection rules, installation and use requirements, etc. of the mechanical seal for submersible electric pumps .
　　JB/T 5966-1995 The mechanical seal for centrifugal hot oil pump is suitable for the mechanical seal of submersible electric pump.
　　HG/T 2478-1993 Mechanical seal technical conditions for glass-lined pumps
　　 HG/T 4114-2009 Mechanical Seal Technical Specifications for Pulp Pumps specifies the requirements for the design, manufacture, use, testing, marking and installation of mechanical seals for glass-lined pumps.
　　 HG/T 4114-2009 mechanical seal technical condition for pulp pump is suitable for working pressure in the sealed cavity 0~0.3MPa, working temperature 0~70°C, rotating shaft speed no more than 3000r/min, shaft diameter 30~ 80mm mechanical seal for glass-lined pump (hereinafter referred to as mechanical seal)
　　HG/T 2100-2003 Mechanical seal for liquid ring chlorine pump
　　HG/T 2100-2003 Liquid ring type chlorine gas pump mechanical seal specifies the structure type, technical requirements, test, installation and use of the liquid ring type chlorine gas pump mechanical seal.　　390.html,

Mechanical seal structure 　　The working principle of mechanical seal