DBB Double Block and Bleed Ball Valve

General Description:

STAVAL DBB ball valve is double block and bleed type and trunnion mounted, which is two balls + seats design. We can also manufacture the valve upon the user's request.

Design Standard:

Basic Design: API 6D

Face-Face / End-End dimension: API 6D, ASME B16.10, EN 558

Flange / BW Ends Dimension: ASME B16.5, EN 1092, ASME B16.25

Test: API 6D, BS 6755, API 607, API 6FA

Design Feature:

The product is fireproof design, with anti-spray rod, anti-static and emergency sealant injection and cavity pressure self-releasing, characterized by full port or reduced port and double obstruction and bleeding.

Application:

Can protect onshore oil, offshore oil and natural gas, used in oil refineries and power stations, including chemical and petrochemical.