ASTM F1793
Standard Specification for Automatic Shut-Off Valves (Also Known as Excess Flow Valves, EFV) for Air or Nitrogen Service
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About This Item
ASTM F1793 is the standard specification for automatic shut-off valves, also known as excess flow valves (EFV), for air or nitrogen service. It provides a technical framework for evaluating valves intended to respond to excessive flow conditions in these gas systems. For buyers, engineers, and quality teams, the standard matters because it helps define a consistent basis for product selection, compliance review, and performance comparison. ASTM F1793 supports clearer purchasing decisions for equipment used in controlled air or nitrogen applications.
ASTM F1793 standard overview
This ASTM standard focuses on automatic shut-off valves designed for air or nitrogen service and identifies them as excess flow valves in common use. The specification is intended to guide how these valves are defined and assessed so that products can be compared on a consistent technical basis. In practice, ASTM F1793 is useful for manufacturers, distributors, and end users that need a recognized reference for product requirements, verification, and documentation tied to valve performance in gas service.
Where is ASTM F1793 used?
ASTM F1793 is commonly used in applications involving air or nitrogen handling equipment where an automatic shut-off or excess flow feature is relevant. It may be referenced during product development, sourcing, incoming inspection, and specification writing for valves used in compressed gas systems. The standard is especially useful when a project calls for a clearly defined valve type and a shared compliance language between suppliers and purchasers. ASTM F1793 helps align expectations across procurement and technical review.
Practical importance of ASTM F1793
In practice, ASTM F1793 helps reduce uncertainty when selecting or evaluating automatic shut-off valves for air or nitrogen service. It supports more consistent procurement decisions by giving buyers a recognized standard to reference in bids, submittals, and quality control checks. For manufacturers, it can help structure product development and documentation around an accepted technical specification. ASTM F1793 also assists with compliance efforts by providing a common baseline for comparing valve offerings and limiting avoidable mismatches.
- Automatic shut-off valve specification
- Also known as excess flow valves
- Designed for air or nitrogen service
- Useful for compliance and product comparison
- Supports procurement and quality review
- Publication Date: 2021-01-21
- Publisher: ASTM
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