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OEM High Quality API6D Standard Floating Ball Valve Pricelist – Double Block and Bleed Ball Valve – XIANGYU Featured Image
  • OEM High Quality API6D Standard Floating Ball Valve Pricelist – Double Block and Bleed Ball Valve – XIANGYU
  • OEM High Quality API6D Standard Floating Ball Valve Pricelist – Double Block and Bleed Ball Valve – XIANGYU
  • OEM High Quality API6D Standard Floating Ball Valve Pricelist – Double Block and Bleed Ball Valve – XIANGYU

OEM High Quality API6D Standard Floating Ball Valve Pricelist – Double Block and Bleed Ball Valve – XIANGYU

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OEM High Quality API6D Standard Floating Ball Valve Pricelist – Double Block and Bleed Ball Valve – XIANGYU Detail:

Double Block and Bleed Ball Valve

Double-Block-and-Bleed-Ball-Valve1

API6D DBB Ball Valve

Double-Block-and-Bleed-Ball-Valve2

Forged Double Block and Bleed Ball Valve

Double-Block-and-Bleed-Ball-Valve3

High Pressure DBB Ball Valve

Specification

Short Description: DBB valve is a “single valve with two seating surfaces that, in the closed position, provides a seal against pressure from both ends of the valve, with a means of venting /beeding the cavity between the seating surfaces.
Size Range: 1/2”~16” (15mm~400mm)
Press. Rating: 150LB~2500LB
Connection Ends: Flange, Butt Weld, Socket Weld
Operator: Lever, Gear, Electric, Pneumatic etc.
Material: Body Materials: A105 (N), LF2, F304, F316, F51, F55 etc.Ball Materials: A105+ENP, F304, F304L, F316, F316L, F51, Inconel, etc.Stem Material: 17-4PH, XM-19, F304, F316, F51 etc.Seat Material: PTFE, RPTFE, DEVLON, NYLON, PEEK, etc.
Standard: Design: API 6D, ASME B16.34, API 608, BS EN ISO17292/ ISO14313Pressure and Temp. Range: ASME B16.34Inspection and Test: API598Flange Ends: ASME B16.5Butt Weld Ends: ASME B16.25,Socket Weld Ends: ASME B16.11
Thread Ends: ASME B1.20.1
Fire Safe: API 607
Design Feature: Full Bore or Reduce Bore Double Block & Bleed Design Emergency Sealant Injection Cavity Pressure Self Relief Blow-out Proof Stem Anti-fire Safe Design
Anti-static Device
Working Type: With a DBB valve, there are usually two unidirectional self-relieving seats. These seats do not rely on an outside mechanism to relieve pressure. In contrast, a DIB valve utilizes one or two bidirectional seats. The valve provides double isolation from pressure at both ends of the valve but cannot relieve body cavity pressure past the seats. DIB valves require an external relief system to relieve pressure buildup.
Applications: DBB and DIB valves are used in applications where critical isolation is needed to ensure that leakage does not occur. Both valves can be used in a variety of applications and markets, such as LNG, petrochemical, transmission and storage, natural gas industrial processes, mainline and manifold valves in liquid pipelines, and refined products transmission lines.Another application in which DBB and DIB valves are used is the meter calibration market. Every closed valve in the meter system must seal drop tight. Even a small leak will cause errors in the meter calibration, and the incorrect meter factor will persist until the next proving operation, costing significant sums. Choosing the correct API-verified DBB or DIB valve can help ensure correct calibration almost every time.
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OEM High Quality API6D Standard Floating Ball Valve Pricelist – Double Block and Bleed Ball Valve – XIANGYU detail pictures

OEM High Quality API6D Standard Floating Ball Valve Pricelist – Double Block and Bleed Ball Valve – XIANGYU detail pictures

OEM High Quality API6D Standard Floating Ball Valve Pricelist – Double Block and Bleed Ball Valve – XIANGYU detail pictures

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