QB/T 1826-1993 Centrifugal sanitary pump

This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. of centrifugal sanitary pumps. This standard applies to centrifugal sanitary pumps for transporting food fluid materials such as milk and dairy products (hereinafter referred to as "sanitary pumps"). QB/T 1826-1993 Centrifugal Sanitary Pumps QB/T1826-1993 Standard download decompression password: www.bzxz.net

Light Industry Industry Standard of the People's Republic of China
Centrifugal Sanitary Pump
Subject Content and Scope of Application
QB/T1826--1993
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. of centrifugal sanitary pumps.
This standard applies to centrifugal sanitary pumps (hereinafter referred to as "sanitary pumps") for conveying food fluid materials such as milk and dairy products. 2 Reference standards
GB/T191 Packaging, storage and transportation pictorial signs
GB/T3216 Test methods for centrifugal pumps, mixed flow pumps, axial flow pumps and vortex pumps GB/T6388 Transport packaging and delivery marks
GB12073 Safety and sanitation of dairy equipment
JB/T8 Product labels
JB/T4127 Technical conditions for mechanical seals
QB/T842.8 General technical conditions for light industrial machinery weighing instruments Packaging QB/T1823 Method for compiling dairy machinery models ZBJ50004 Determination of noise sound pressure level of metal cutting machine tools 3 Product classification
3.1 Sanitary pumps are: single-stage, single-suction. Www.bzxZ.net
3.1.1 According to the impeller structure, they can be divided into: open, semi-open, and closed. 3.1.2 According to the sealing form, they can be divided into: single-end face and double-end face seals. 3.2 Model representation
Models are compiled in accordance with the provisions of QB/T1823 and in combination with product features. Y
3.3 Flow range: 1~120kL/h.
3.4 ​​Head range, see Table 1.
Ministry of Light Industry of the People's Republic of China approved import on July 29, 1993
Closed
Semi-open
Nominal flow rate
Sanitary pump
One milk pump
One transport (delivery)
-Dairy machinery
Implemented on March 1, 1994
Head/m
Note: 1) It is a water column.
Technical requirements
QB/T1826—1993
Semi-open
4.1 Sanitary pumps shall be manufactured in accordance with the provisions of this standard and the drawings and technical documents approved by the prescribed procedures. 4.2 The temperature of the fluid material transported by the sanitary pump shall be lower than 80℃ and the viscosity shall be less than 1.4Pa·s. 4.3
Main parts materials shall comply with the provisions of GB12073. Closed
4.4 The welds in contact with the material shall be machined to remove slag, oxide scale and splash particles, and the surface roughness R. value shall not exceed 3.2μm. 4.5 The pump cavity shall be subjected to a water pressure test for sealing. No leakage shall be allowed within the prescribed test pressure time. 4.6 The impeller shall be statically balanced, and its static balance tolerance shall comply with the provisions of Table 2. The weight removal is at the edge of the blade. Table 2
Impeller outer diameter D/mm
Static balance tolerance on the maximum diameter of the impeller/gD≤180
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