This article is about CPVC Fittings and Flanges Technical Specification and technical specification based on international codes and standards of ASTM F 439.
CPVC Fittings and Flanges Technical Specification | ASTM F 439
| Scope Description | CPVC Fittings and Flanges. |
| Material Specification | Manufacturer’s standard supply conforming to ASTM D 1784, Class 23447-B |
| Dimensional Specification | ASTM F 439, ASME B1.20.1, ASME B16.5 and Manufacturer’s standard. |
| Purchase Order (PO) | The Purchase Order shall specify the following:
1. Type of fitting and flange, size [DN (NPS)], schedule or wall thickness, flange rating and quantity. 2. Marking or tagging (see Marking section of this specification). 3. Specific packaging standards and instructions. 4. Cleaning requirement (see Special Requirements section of this specification). |
| Drawings | Supplier shall provide drawings that specify all dimensions of fittings. |
| Inspection | Inspection is not required, unless specified in the PO. |
| Testing | Company witnessing of tests is not required, unless specified in the PO. |
| Examination | Company witnessing of examination is not required, unless specified in the PO. |
| Marking | Markings shall be those required by the material specification and those that are manufacturer’s standard identification. Additional marking or tagging required by Company shall be specified in the PO. |
| Protection | The manufacturer or supplier shall provide any special protection or packaging and details of any storage, shelf life, or maintenance instructions that pertain to the manufacturer or supplier’s guarantee or are otherwise necessary for the protection of the items. |
| Packaging and
Shipping |
Suitable packaging shall be provided to ensure that all items are protected from damage during handling and shipment. Any component received in a damaged condition shall be returned and replaced, all at the supplier’s expense. Damage also includes a torn bag and loss of purge gas environment. Refer to the PO for specific packaging standards and instructions. |
| Special
Requirements |
Cleaning: Cleaning shall be performed in accordance with the manufacturer’s standard, unless an specification is specified in the Purchase Order. |
| Certificate of Conformance | A certificate of conformance shall be submitted with each shipment by which the manufacturer or supplier certifies that the purchased components are in accordance with the requirements of this material purchase specification and the PO. Objective evidence of compliance shall include the certification required in 4WPI-M00001.
The following shall be noted on the certificate of conformance: PO number, supplier lot number, mill heats utilized to fill order, shipping order number, date and signature of supplier’s Quality Control Representative. |