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OEM High Quality 3-Way Ball Valve Manufacture Quotes – Double Block and Bleed Ball Valve – XIANGYU

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OEM High Quality 3-Way Ball Valve Manufacture Quotes – Double Block and Bleed Ball Valve – XIANGYU Detail:

Double Block and Bleed Ball Valve

Double-Block-and-Bleed-Ball-Valve1

API6D DBB Ball Valve

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Forged Double Block and Bleed Ball Valve

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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 3-Way Ball Valve Manufacture Quotes –  Double Block and Bleed Ball Valve – XIANGYU detail pictures

OEM High Quality 3-Way Ball Valve Manufacture Quotes –  Double Block and Bleed Ball Valve – XIANGYU detail pictures

OEM High Quality 3-Way Ball Valve Manufacture Quotes –  Double Block and Bleed Ball Valve – XIANGYU detail pictures


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Bear "Customer first, High quality first" in mind, we perform closely with our consumers and provide them with efficient and experienced services for OEM High Quality 3-Way Ball Valve Manufacture Quotes – Double Block and Bleed Ball Valve – XIANGYU , The product will supply to all over the world, such as: Iceland, Malawi, Japan, Be sure to feel cost-free to send us your specs and we are going to respond for you asap. We have got a experienced engineering team to serve for the every single comprehensive needs. Free samples may be sent for yourself personally to know far more facts. So that you can meet your desires, please actually feel cost-free to contact us. You could send us emails and call us straight. Additionally, we welcome visits to our factory from all over the world for much better recognizing of our corporation. nd merchandise. In our trade with merchants of several countries, we often adhere to the principle of equality and mutual advantage. It is our hope to market, by joint efforts, both trade and friendship to our mutual benefit. We look forward to getting your inquiries.
  • In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
    5 Stars By Bernice from Peru - 2017.09.09 10:18
    The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
    5 Stars By Doris from Turkmenistan - 2018.06.18 17:25
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