Standard No.:	GB 27898.3-2026
English Name:	Fixed water supply equipment used for fire-protection—Part 3: Pressure boosting and stabilizing type water supply equipment used for fire-protection
Chinese Name:	固定消防给水设备 第 3部分：消防增压稳压给水设备
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR;SAC
Issued on:	2026-01-28
Implemented on:	2027-2-1
Status:	to be valid
Superseding:	GB 27898.3-2011 Fixed water supply equipment used for fire-protection - Part 3: Pressure boosting and stabilizing type water supply equipment used for fire-protection
Target Language:	English
File Format:	PDF
Word Count:	16000 words
Translation Price(USD):	480.0
Delivery:	via email in 1~5 business day

GB 27898.3-2026 Fixed water supply equipment used for fire-protection—Part 3: Pressure boosting and stabilizing type water supply equipment used for fire-protection English, Anglais, Englisch, Inglés, えいご This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered. ICS CCS National Standard of the People's Republic of China ‌GB 27898.3-2026 Fixed water supply equipment used for fire-protection - Part 3: Pressure boosting and stabilizing type water supply equipment used for fire-protection 固定消防给水设备 第 3部分：消防增压稳压给水设备 Issue date: 2026-01-28 Implementation date: 2027-02-01 Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China the Standardization Administration of the People's Republic of China Contents Foreword Introduction 1 Scope 2 Normative References 3 Terms and Definitions 4 Classification 4.1 Product Classification 4.2 Model Designation 5 Equipment Performance Requirements 5.1 Basic Parameters 5.2 Equipment Identification 5.3 Control Function 5.4 Water Supply Capacity 5.5 Continuous Operation 5.6 Sealing Performance 5.7 Hydrostatic Strength 5.8 Operational Noise 6 Equipment Component Requirements 6.1 Pneumatic Water Tank 6.2 Pump Unit 6.3 Piping, Valves and Accessories 6.4 Monitoring and Control Instruments 6.5 Control Device 7 Test Methods 7.1 Basic Test Requirements 7.2 Basic Parameter Inspection 7.3 Identification and Component Inspection 7.4 Control Function Test 7.5 Internet of Things Function Test 7.6 Water Supply Capacity Test 7.7 Continuous Operation Test 7.8 Sealing Performance Test 7.9 Hydrostatic Strength Test 7.10 Operational Noise Test 7.11 Pneumatic Water Tank Test 7.12 Piping, Valves and Accessories Test 7.13 Monitoring and Control Instruments Test 7.14 Control Device Test 7.15 Insulation Resistance and Voltage Withstand Test 7.16 Electrical Interference Immunity Test 7.17 Mechanical Emergency Operating Mechanism Test 7.18 Low Temperature, High Temperature and Damp Heat Steady State Test 7.19 Vibration Test 8 Inspection Rules 8.1 Classification of Inspection and Items 8.2 Sampling Method 8.3 Determination of Inspection Results 9 Nameplate and Operating Instructions 9.1 Nameplate 9.2 Operating Instructions Annex A (Informative) Types of Monitoring Information for Internet of Things Function of Fire Protection Water Supply Equipment A.1 Types of Monitoring Information for Pressure Boosting Equipment A.2 Types of Monitoring Information for Pressure Stabilising Equipment Annex B (Informative) Example of Data Acquisition Protocol Interface for Internet of Things Function of Fire Protection Water Supply Equipment B.1 Basic Data B.2 Monitoring Data B.3 Alarm Data Bibliography Fixed fire protection water supply equipment – Part 3: Pressure boosting and pressure stabilizing type water supply equipment used for fireprotection 1 Scope This document specifies the performance requirements, component requirements, inspection rules, nameplate and operating instructions for pressure boosting type and pressure stabilizing type water supply equipment used for fireprotection, gives the product classification and model designation methods, and describes the corresponding test methods. This document applies to the design, manufacture and inspection of fixedly installed pressure boosting type and pressure stabilizing type water supply equipment used for fireprotection that are equipped with lowvoltage motors. 2 Normative References The contents of the following documents constitute essential provisions of this document through normative reference. For dated references, only the edition cited applies. For undated references, the latest edition (including all amendments) applies. GB/T 150 (all parts) Pressure vessels GB/T 528 Rubber, vulcanized or thermoplastic — Determination of tensile stressstrain properties GB/T 1226 General pressure gauges GB/T 1227 Precision pressure gauges GB/T 3047.1 Basic series of dimensions of panels, racks and cabinets for vertical incremental multiples of 20 mm GB/T 4208 Degrees of protection provided by enclosure (IP code) GB 5135.6 Automatic sprinkler system — Part 6: General valves GB 5135.7 Automatic sprinkler system — Part 7: Water flow indicators GB 5135.10 Automatic sprinkler system — Part 10: Pressure switches GB 5135.11 Automatic sprinkler system — Part 11: Grooved fittings GB 6245 Fire pumps GB/T 9969 General principles for preparation of instructions for use of industrial products GB/T 25000.51-2016 Systems and software engineering — Systems and software Quality Requirements and Evaluation (SQuaRE) — Part 51: Requirements for quality of Ready to Use Software Product (RUSP) and instructions for testing GB 27898.1 Fixed fire protection water supply equipment — Part 1: Fire protection pneumatic water supply equipment XF 61 General technical specifications for drive and control devices of fixed extinguishing systems 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB 27898.1 and the following apply. 3.1 pressure stabilizing type water supply equipment used for fireprotection Fixed fire protection water supply equipment, usually consisting of a pneumatic water tank and accessories, a pressure stabilizing pump unit, piping, valves and accessories, monitoring and control instruments, a control device, etc., used to maintain the daily pressure stability of the fire protection system piping network. 3.2 pressure boosting type water supply equipment used for fireprotection Fixed fire protection water supply equipment, usually consisting of a fire pump unit, piping, valves and accessories, monitoring and control instruments, a control device, etc., used to supply fire protection water to the fire protection system piping network during a fire condition. 3.3 internet of things function The function of data monitoring, collection, internet of things transmission and application for the status of fixed fire protection water supply equipment. 3.4 control device A device that controls the fixed fire protection water supply equipment and its components such as pump units, valves and measurement and control instruments. 3.5 pressurized gas exhausting unit A device used to exhaust the compressed gas from the pneumatic water tank after the equipment has finished operating. 3.6 upper pressure maintenance limit P₄ The maximum pressure at which the water supply equipment maintains normal pressure stabilizing operation, i.e., the pressure at the equipment outlet when the pressure stabilizing pump unit stops supplying water. [SOURCE: GB 27898.1-2011, 3.7, modified] 3.7 lower pressure maintenance limit P₃ The minimum pressure at which the water supply equipment maintains normal pressure stabilizing operation, i.e., the pressure at the equipment outlet when the pressure stabilizing pump unit starts supplying water. [SOURCE: GB 27898.1-2011, 3.8, modified] 3.8 fire pump start pressure P₂ The pressure at which the fixed fire protection water supply equipment confirms a fire condition and starts the fire pump unit. [SOURCE: GB 27898.1-2011, 3.12] 3.9 maximum working pressure PMAX For fire pressure stabilizing water supply equipment: the greater of the sum of the maximum working pressure of the configured pressure stabilizing pump unit and its maximum allowable inlet pressure, and the upper pressure maintenance limit (3.6). For fire pressure boosting water supply equipment: the sum of the maximum working pressure of the configured fire pump unit and its maximum allowable inlet pressure. 3.10 buffer water volume V₂ The difference in water volume within the pneumatic water tank between the lower pressure maintenance limit (3.7) and the fire pump start pressure (3.8). 3.11 nominal rated power of the equipment The sum of the rated powers of the working pump units configured for the equipment. 4 Classification 4.1 Product classification 4.1.1 According to the application range, products are classified as: a)Fire pressure stabilizing water supply equipment, characteristic code W; b) Fire pressure boosting water supply equipment, characteristic code ZY. 4.1.2 According to the pressure stabilizing working mode, products are classified as: a)Bladder type fire pressure stabilizing water supply equipment, characteristic code omitted; b) Air replenishment type fire pressure stabilizing water supply equipment, characteristic code Q;