Trunnion Ball Valve API 608

Trunnion Ball Valve API 608

Short Description:

Trunnion Ball Valve API 608, Meeting the Latested Edition of Standard API 608, Flanged, Threaded and Welding Ends.

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Key Specifications / Features

Name: Trunnion Ball Valve API 608

Design: API 608, API 6D

Type: Trunnion Mounted Ball Valves

Feature: Fire Safe Design, On-off

Structure: 2 Piece or 3 Piece Body

Ends: Flanged

Bore: Full Bore

Size: 12 Inch

Rating: Class 150

Body: A216 WCB

Operation: Gear

 

About API 608

API 608 covers “Metal Ball Valves - Flanged, Threaded and Welding Ends"

API 608 covers up to class 600 flanged, and class 800 thread and weld end.

API 608 requires conformance with ASME B16.34.

API 608 has requirement for strength of ball to stem connection and location of weakest part of stem.

API 608 requires adjustable packing glands

For potential pressure increase from liquid trapped between the seats, 608 refers to ASME B16.34.

API 608 defines allowable distruptions on the flange gasket face.

API 608 tests the valve per API-598, which suggests only low pressure tests recognizing the limitations of soft-seated floating ball valves.

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