GB/T 21291-2026General technical specification for aquatic product primary processing machinery (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part

1.Structure and Drafting Rules of Standardization Documents". Drafting. This document supersedes GB/T 21291-2007 "Safety and Hygiene Technical Conditions for Fish Paste Processing Machinery" and is consistent with GB/T 21291-2007. Compared to previous versions, aside from structural adjustments and editorial changes, the main technical changes are as follows:

a) General requirements have been added (see Chapter 4);

b) Added technical requirements for key equipment components. relevant clauses for cleaning equipment (see 5.1), relevant clauses for grading equipment (see...). 5.2), related clauses for fish-feeding equipment (see 5.3), related clauses for scaler equipment (see 5.4), related clauses for evisceration equipment (see 5.5). 5.5), relevant clauses for cutting equipment (see 5.6), relevant clauses for peeling equipment (see 5.7), relevant clauses for shrimp shell and meat separation equipment. Clauses (see 5.9) concerning shellfish opening equipment (see 5.10);

c) The relevant clauses regarding fine filters have been deleted (see

4.2 in the.2007 edition);

d) The clauses related to the smashing machine have been deleted (see

4.3 in the.2007 version);

e) The relevant clauses regarding disc choppers have been deleted (see

4.4 in the.2007 edition);

f) The relevant clauses regarding bowl choppers have been deleted (see

4.5 in the.2007 edition);

g) The relevant clauses regarding fish roll forming machines have been deleted (see

4.6 of the.2007 edition);

1 Scope

GB/T 21291-2026 is the Chinese national standard covering the machines that gut, scale, fillet and shell seafood - the materials in contact with the product, the cleanability of a machine handling wet protein, the safety of blades and the water and waste it produces. It replaces GB/T 21291-2007 and has been in force since 1 September 2026. It was issued on 27 February 2026 and has been in force since 1 September 2026, replacing GB/T 21291-2007. The document is under the responsibility of the Ministry of Agriculture and Rural Affairs. This page is published from the official record of the 2026 edition; the clause text of a standard this recent is not yet in circulation, and the figures, limits and tables it contains are those of the document itself, delivered in full with the English translation.

This document specifies the general requirements for primary processing machinery for aquatic products, the equipment technical requirements for key stages, and describes the corresponding inspection methods. This document applies to the design, manufacture, inspection, and use management of primary processing machinery for aquatic products such as fish, shrimp, and shellfish. It also applies to other primary processing machinery for aquatic products. For reference use.

5 Equipment Technical Requirements for Key Processes

5.1 Cleaning Equipment According to process requirements, the following technical requirements must be met.

a) Operating parameters such as time and pressure should be adjusted according to the cleaning requirements of the object being processed;

b) All pipe fittings in the cleaning pipeline should be securely connected, there should be no leakage, and it should comply with the requirements of GB/T 20801.1;

c) Protective barriers and covers should be installed outside the cleaning work area to prevent splashing;

d) The water tank should be equipped with an overflow channel;

e) Water-saving design should be adopted, and water flow regulating valves should be installed;

f) When the cleaning water is recycled, it is advisable to configure a circulating water tank and a water filtration system.

5.2 Grading Equipment According to process requirements, the following technical requirements must be met.

a) A mechanism should be installed to prevent material jamming;

b) In the event of an error-induced stop, the sensors and other electronic components should be able to quickly and automatically reset after the stop is cleared.

5.3 Fishing Equipment According to process requirements, the following technical requirements must be met.

a) It should be able to perform functions such as sorting, adjusting, and feeding;

b) A rejection and recycling conveyor mechanism should be installed for materials that have not been adjusted and positioned;

c) The adjusting actuator should have an anti-slip function;

6 Test methods

6.1 General Requirements Inspection Equipment noise shall be measured according to the method described in GB/T 3768, and other items shall be determined by visual inspection to determine whether they are qualified.

6.2 Hygiene Requirements Inspection Materials that come into direct contact with aquatic products shall be tested according to the methods described in GB/T 19891; other items shall be determined by visual inspection. qualified.

6.3 Safety Requirements Inspection Safety protection devices shall be tested according to the methods described in GB/T 8196, and safety signs shall be tested according to the methods described in GB 2894. He determines whether a project is up to standard through visual inspection.

6.4 Electrical Requirements Inspection The test shall be performed according to the method described in SB/T 227.

6.5 Inspection of Equipment Technical Requirements in Key Processes Whether it is qualified is determined by visual inspection. GB/T 21291-2026. General Technical Specification for Primary Processing Machinery of Aquatic Products ICS

94 National Standards of the People's Republic of China Replaces GB/T 21291-2007 General Technical Specifications for Primary Processing Machinery of Aquatic Products Published on 2026-02-

27 Implemented on 2026-09-

01 State Administration for Market Regulation The State Administration for Standardization issued a statement.