HG/T 20628-2009 PTFE Envelope Gaskets for use with Stee1 Pipe Flanges (Class Designated)(Text of Document is in English)

01/07/2009

9P

$50.00 USD

Contents
1. Scope
2. Normative References
3. Type and dimension of the gasket
4. Technical Requirements
5. Designation and Packing