Key Specifications / Features
Heavy-duty trunnion-mounted ball valve with a three-piece bolted forged body and worm gear operation. This full-bore ball valve provides a double-block-and-bleed function and meets API 6D and ASME B16.34 specifications. It supports custom nominal sizes from NPS2 to NPS30 and pressure classes Class150 to Class2500 with flanged end connections. Multiple material options are available for the body, ball, and seats for oil and natural gas pipeline service. It is equipped with body cavity relief, seat sealant injection port, and body cavity drain valve, fully tested per API 6D and protected by epoxy coating.
Valve type: Trunnion-mounted ball valve
Structure: Three-piece bolted forged body
Bore type: Full bore
Seat function: Double block and bleed
Design standard: API 6D, ASME B16.34
Flange standard: ASME B16.5
Face-to-face dimension: API 6D
Pressure class: 600 LB
Nominal size: NPS12 (DN300)
Body material: ASTM A105, ASTM A105N
Ball material: ASTM A182 F304, ASTM A182 F316, Hard facing optional
Seat material: PTFE, RPTFE, PEEK, Devlon, metal-to-metal optional
Stem material: ASTM A182 F316
Bolt and nut: ASTM A193 B7, ASTM A194 2H
Operating temperature: -29 Deg C to +180 Deg C, cryogenic version available
Application: Natural gas, oil, pipeline, process pipeline
Inspection and test: API 6D
Painting: Epoxy coating
Feature: Body cavity relief, seat sealant injection port, body cavity drain valve
Worm gear trunnion-mounted ball valve with flanged ends and body cavity drain valve. This DBB full-bore valve is built for oil and gas pipeline service, customizable in size and pressure class.