HG/T 6466-2026
HG · 2026-04-16

Thermoplastic Check Valve for Fluid Transport in Chemical Industry

1Key Takeaways

This document specifies the materials, design, component fabrication and assembly, requirements, testing methods, inspection rules, marking, packaging, transportation, and storage for thermoplastic check valves made of acrylonitrile-butadiene-styrene (ABS), unplasticized polyvinyl chloride (PVC-U), chlorinated polyviny…

2Scope / Description

This document specifies the materials, design, component fabrication and assembly, requirements, testing methods, inspection rules, marking, packaging, transportation, and storage for thermoplastic check valves made of acrylonitrile-butadiene-styrene (ABS), unplasticized polyvinyl chloride (PVC-U), chlorinated polyvinyl chloride (PVC-C), homopolypropylene (PPH), polyvinylidene fluoride (PVDF), and glass-fiber-reinforced polypropylene (FRPP).

It applies to flanged, butt-connected, and wafer-type thermoplastic check valves (hereinafter referred to as "check valves", symbol H) with a nominal pressure rating of PN ≤ 1.0 MPa, nominal bore sizes ranging from DN15 mm to DN300 mm, and service temperature ranges as follows: ABS: -40 °C to 70 °C; PVC-U: -5 °C to 60 °C; PVC-C: -5 °C to 95 °C; PPH: -10 °C to 90 °C; PVDF: -40 °C to 120 °C; FRPP: -14 °C to 100 °C.

3Version History

HG/T 6466-2026 2026-04-16

5Citation Network

0
Cite this standard
21
Referenced herein
GB/T 10798 GB/T 1184-1996 GB/T 1447 GB/T 1448 GB/T 1449 GB/T 1451 GB/T 1463 GB/T 1633

6Frequently Asked Questions

What is HG/T 6466-2026?
HG/T 6466-2026 — Thermoplastic Check Valve for Fluid Transport in Chemical Industry is an international standard developed by Professional Standard - Chemical Industry. This document specifies the materials, design, component fabrication and assembly, requirements, testing methods, inspection rules, marking, packaging, transportation, and storage for thermoplastic check valves made of...
What does HG/T 6466-2026 cover?
This standard covers: This document specifies the materials, design, component fabrication and assembly, requirements, testing methods, inspection rules, marking, packaging, transportation, and storage for thermoplastic check valves made of acrylonitrile-butadiene-styrene (ABS), unplasticized polyvinyl chloride (PVC-U),...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of HG/T 6466-2026?
The current published version is HG/T 6466-2026, published on 2026-04-16. Always check for amendments or pending revisions.
How do I purchase HG/T 6466-2026?
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