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Double Ball

Double block and bleed ball valve is ball-needle-ball configuration, the valve installs the 2 balls which plays the function of quick & safe in-out. The valve has superior, bubble tight sealing capabilities at both high pressures and temperatures.

DATA SHEET

  • Description

Advantages:
●Space and weight saving
●Cost saving (product & installation)
●Minimized leak paths
●Increased line structural integrity
●Increased reliability of the system
  

Product Range: 
●Size: NPS 1/2’’ – NPS24’’/DN15 –DN600
●Rating: Class 150 – Class 2500/PN16 –PN420
●Material: A105, LF2,A182F304, F316, F304L, F316L, F51, F53, F55, F60, Inconel, Incoloy, Hastelloy, Monel, Titanium, etc.
●Operation: Lever, gear, electric actuator, pneumatic Actuator
  

Design descriptions:
●Full port or reduced port
●Three pieces
●RF, RTJ, BW
●Side entry
●Bolted bonnet, split body or welded body
●Soft seat or metal to metal seat
●Anti statics device
●Blow-out proof stem
●Fire safe
●Double Block & Bleed (DBB), Double Isolation &Bleed (DIB)
●ISO 5211Mounting pad
●NACE requirement
●Fugitive emission if required
  

Applicable standards:
●Design& manufacture: API 6D/API 608/DIN 3357
●Face to face: Manufacturer standard
●Flange ends: ASME B16.5/ASME B16.47/EN 1092-1
●Butt-weld ends: ASME B16.25/DIN 3239/EN 12627
●Inspection and test: API 598/API 6D/DIN 3230/EN 12266
●Fire safe: API 607/API 6FA
●Fugitive emission: ISO 15848-2/ISO 15848-1
  

Main applications:
●Offshore oil & gas production
●Gas & oil terminals
●Chemical & Petrochemical
●Refining
●Fiscal Metering Skid Manufacturing
●LNG gas carrier
●Process/ Power industry contractors
   

  • Wuxing Industrial Zone, Oubei Town, Wenzhou City,Zhejiang PR., China.
  • +86-577-57766888
  • [email protected]
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