ASTM F2768-09 PDF

1.1 This specification covers a Modified Stub ACME Thread Joint with an Elastomeric Seal used to seal the joint components in plastic piping components, or (if applicable) to components made of other non-plastic materials used for plastic piping components used in turf irrigation systems.

1.2 This specification establishes requirements for dimensions and gauging of Modified Stub ACME Thread and Elastomeric seal.

1.3 Tapered pipe threads are not covered in this specification.

Note 1 - The terms "bottom out " and "back off" are used to imply complete engagement of the threaded connection and un-threading of the connection and do not imply using a pipe wrench or other tools which would damage plastic pipe and fittings.

1.4 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.