DBB Double Block and Bleed Ball Valve

API 6D DOUBLE Block Bleed Ball Valve

20Inch, 300LB, F51, F51+PEEK,GEAR BOX

Manufacture STAVAL Factory Offers.

  • Size Range:

    2
  • Pressure Range:

    150LB ~ 2500LB (PN16 ~ PN420)
  • Material Range:

    Carbon steel,Stainless steel,Alloy
  • Construction:

    BB/Full Weld,
  • Bore:

    Full Bore, Reduce Bore
  • End Connection:

    BW, Flange
  • Seat:

    Soft Seat, Metal Seat, PMSS Seat
  • Working Temp.:

    -196°C to +600°C
  • Product Details

General Description:

STAVAL DBB ball valve is double block and bleed type and trunnion mounted, which is two balls + seats design. We can also manufacture the valve upon the user's request.


Design Standard:

Basic Design: API 6D

Face-Face / End-End dimension: API 6D, ASME B16.10, EN 558

Flange / BW Ends Dimension: ASME B16.5, EN 1092, ASME B16.25

Test: API 6D, BS 6755, API 607, API 6FA


Design Feature:

The product is fireproof design, with anti-spray rod, anti-static and emergency sealant injection and cavity pressure self-releasing, characterized by full port or reduced port and double obstruction and bleeding.


Application:

Can protect onshore oil, offshore oil and natural gas, used in oil refineries and power stations, including chemical and petrochemical.


5-Trunnion-Ball-Valve-DBB

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