T/FSQX 001-2021 Proton exchange membrane fuel cell hydrogen gas recirculation pump

Scope

Scope: This document specifies the terms and definitions, structural types, models, and performance indicators, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of hydrogen circulation pumps for proton exchange membrane fuel cells (hereinafter referred to as circulation pumps). This document applies to circulation pumps used in fuel cell electric vehicles. Main technical content: The main performance indicators of the circulation pumps under rated conditions shall comply with Table 1. Table 1: Main performance indicators of circulation pumps Unit Indicator Rated volumetric flow rate m3/h ≥4 ≥10 ≥20 Rated exhaust pressure kPa 30 30 30 Maximum pressure rise kPa 20 20 30 Rated power W ≤280 ≤500 ≤800 Noise dB(A) ≤75 ≤82 ≤85 Rated speed rpm 2800 4500 5000 Oil content mg/m3 ≤0.1 ≤0.1 ≤0.1 The factory inspection items, requirements, and test methods for circulation pumps shall be implemented in accordance with Table 2. Table 2: Inspection items, requirements, and test methods No. Item Requirements Test method Factory inspection Type inspection 1 General requirements 5.1 6.1 2 Performance requirements Rated volumetric flow rate Table 1 6.2 Rated exhaust pressure Maximum pressure rise Rated power Noise — Oil content — 3 Safety performance Mechanical strength 5.3.16.3 — Insulation resistance 5.3.2 Withstand voltage 5.3.3 Enclosure protection grade 5.3.4 — Resistance to environmental conditions 5.4 6.4, 6.5, 6.6, 6.7 — Vibration resistance 5.7 6.10 — Electromagnetic interference characteristics 5.5 6.8 — Durability 5.6 6.9 — Marking Visual inspection 9 Packaging Visual inspection Note: “” indicates inspection items, “—” indicates non-inspection items.

Development Information

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