ASME B16.5 A105 Carbon Steel Blind Flange, Class 300

• warranty

  3 Years
  customized support

  OBM, ODM, OEM
• model number

  PPF-PH
  Technic

  Mould
• Connectivity

  Bolted
  shape

  Equal
• head code

  Round
  Overall Length

  1/8"-6"
• Height

  1/8"-6"
  Surface Treatment

  Polishing
• Pressure

  High Pressure
  System of Measurement

  inch
• Mounting hole diameter

  1/8"-6"
  Pipe Features

  No additional Features
• Pipe Class

  300
  Application

  building water supply and drainage, fire protection systems, natural gas pipeline installation, natural gas & petroleum industry, natural gas transportation, water supply and drainage systems
• Thread Types

  NPT OR BSPT

This ASME B16.5 A105 carbon steel blind-flange listing presents a Class 300 connection for natural gas and petroleum enquiries. Class 300 appears in both the title and table. The actual offered component still needs confirmation because the material options say Polypropylene or PP rather than carbon steel.

Confirm A105 material and the actual supplied size

Ask for component identity, the governing material document and edition, full grade, condition and traceability. Resolve the steel/polymer mismatch with accepted certificates before selecting the flange. The table’s Mould wording also requires allocation to the actual manufacturing route.

Both variants use size None. Confirm the individual nominal size and availability, then obtain an approved closure drawing. Repeated one-eighth-to6-inch entries do not establish overall dimensions or bolt-hole diameters. Specify outside diameter, thickness, bolt circle, hole count/diameter and dimensional tolerances.

Match Class 300 and facing to the mating connection

Identify the B16.5 edition and applicable selected material/size/class requirements. Agree the actual facing form, dimensions and finish; no RF configuration is specified in this title. Clarify Equal and NPT OR BSPT fields without assuming extra threaded features.

Class 300 requires a documented material and temperature basis for actual duty. High Pressure is a qualitative table entry rather than a numerical operating rating. Agree the mating flange, gasket and fasteners, plus the surfaces and inspection criteria covered by Polishing.

Define the natural gas or petroleum service

Provide actual medium composition, pressure, temperature, cycling, loads and compatibility requirements. Obtain acceptance for the completed closure joint, including relevant installation/leak inspection. Listed applications do not approve every gas or petroleum duty. Confirm material/manufacturing/dimensional/class records, marking, supply, quotation scope and three-year warranty/customization terms.