TRB2 / TRB3 Trunnion Mounted Ball Valve

Double Block and Bleed, fire-safe design with self-aligning floating seat rings. Compliant with ASME B16.34, API 6D.

TRB2/TRB3 Trunnion Mounted Ball Valve

TRB2 / TRB3 Main View

Design Features

  • General design in accordance with ASME B16.34, API 6D
  • Flanged ends in accordance with ASME B16.5
  • Butt welding ends in accordance with ASME B16.25
  • Socket weld ends in accordance with ASME B16.11
  • Threaded ends NPT-F in accordance with ASME B1.20.1
  • Face to face in accordance with API 6D or ASME B16.10
  • Fire Safe in accordance with API 6FA and API 607
  • Bi-directional flow tight
  • Equipped with antistatic device & anti-blowout stem
  • Self-aligning floating seat rings with pre-load springs
  • Double Block and Bleed (DBB)
  • Drain and Vent connections
  • Automatic body cavity relief system
  • Stem and seats injections facility (on request)
  • Locking Device (on request)
  • Lifting lugs (where applicable)
  • Support feet (where applicable)
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Detailed Product Images

TRB2/TRB3 View 2

View 2

TRB2/TRB3 View 3

View 3

TRB2/TRB3 View 4

View 4

TRB2/TRB3 View 5

View 5

TRB2/TRB3 View 6

View 6

TRB2/TRB3 View 7

View 7

TRB2/TRB3 View 8

View 8

TRB2/TRB3 View 9

View 9

Structure Diagram

TRB2/TRB3 Structure Diagram

Component List

  • 01 - BODY
  • 02 - BONNET
  • 03 - BALL
  • 04 - SEAT
  • 05 - STEM
  • 06 - BODY COVER
  • 07 - SUPPORTING PLATE
  • 08 - FLANGE
  • 19 - LIFTING LUGS
  • 20 - VALVE SUPPORT
  • 60 - STUD BOLT (BODY/BONNET)
  • 61 - STUD BOLT (BODY/BONNET)
  • 62 - NUT (BODY/BONNET)
  • 63 - CAP SCREW (BODY/BODY COVER)
  • 64 - CAP SCREW (BODY/FLANGE)
  • 66 - STUD BOLT (FLANGE/OPERATOR)
  • 67 - NUT (FLANGE/OPERATOR)
  • 76 - CAP SCREW (KEY)
  • 90 - BEARING (BALL/TRUNNION)
  • 91 - FIRST STEM BEARING
  • 92 - SECOND STEM BEARING
  • 93 - THRUST WASHER (BALL/TRUNNION)
  • 94 - THRUST WASHER (STEM)
  • 100 - FIRST BODY GASKET
  • 101 - SECOND BODY GASKET
  • 102 - FIRST BODY COVER GASKET
  • 103 - SECOND BODY COVER GASKET
  • 106 - FIRST STEM GASKET
  • 107 - SECOND STEM GASKET
  • 109 - FIRST SEAT GASKET
  • 110 - SECOND SEAT GASKET
  • 112 - INJECTION SEAT GASKET
  • 130 - SEAT SPRING
  • 131 - ANTISTATIC SPRING
  • 136 - PIN (BALL SUPPORT)
  • 137 - PIN (BODY/BODY COVER)
  • 138 - PIN (BODY COVER/FLANGE)
  • 139 - PIN (FLANGE/OPERATOR)
  • 141 - PIN (BODY/CLOSURE)
  • 145 - KEY
  • 150 - BLEEDER/PLUG VALVE (VENT)
  • 151 - PLUG VALVE (DRAIN)
  • 154 - STEM INJECTION
  • 155 - SEAT INJECTION
  • 156 - CHECK VALVE FOR SEAT INJECTION

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