ARI Standard 72097 JB Industries（ARI标准72097 JB产业）.pdfVIP

ARI Standard 720-97 TM Refrigerant Access Valves and Hose Connectors Section 1. Purpose 3.5 Refrigerant Valve Core. A refrigerant valve core is 1.1 Purpose.. The purpose of this standard is to an assembly containing a spring and moveable core establish, for refrigerant access valves and hose pin and seating details, suitably threaded for insertion connectors used in refrigerating and air-conditioning into a refrigerant access valve body to provide a systems; definitions, location requirements, dimensions normally closed valve arrangement intended for use and materials, gaging procedures and conformance with a refrigeration or air conditioning system. Depression of the core pin opens the valve. requirements. 1.1.1Intent. This standard is intended for the 3.6 Shall, Should, Recommended, or It Is guidance of the industry, including manufacturers, Recommended. Shall, should, recommended, or engineers, installers, contractors and users. it is recommended shall be interpreted as follows: 3.6.1Shall . Where shall or shall not is used for 1.2Review and Amendment . This standard is subject to review and amendment as technology advances. a provision specified, that provision is mandatory if compliance with the standard is claimed. Section 2. Scope 3.6.2Should, Recommended, or It is 2.1Scope . This standard applies to