Side Entry Ball Valves

Soft Seated Trunnion Mounted Ball Valves

API 607/6FA/6D, SIL 3 NACE, Fugitive Emission

GVS API 6D Monogrammed, Trunnion Mounted, Soft Seated Ball Valves are manufactured in sizes 2” to 48” and in pressure classes ANSI 150# to 2500#. These valves come standard with fire-safe and fugitive emission certification, NACE, and a SIL 3 rating, offering performance and reliability in a wide range of applications.

Technical Specifications

  • Design: API 6D & CSA Z245.15
  • Sizes: 2″- 48″ Full & Reduced Bore
  • Pressures: ANSI Class 150 – 2500
  • Materials: Forged Carbon Steel
    Stainless Steel / Exotic Alloys
  • Ends: RF, RTJ, BW (Pupping)
  • Certifications: API 607/6FA/6D, SIL 3
    NACE, Fugitive Emission

Features

  • Side Entry Bolted Body
  • Double Block and Bleed
  • SPE & DPE Seat Design (SPE x SPE, DIB-1, DIB-2)
  • Dual Seal Seat Design for Class #150 – #900 ANSI
  • Single Seal Seat Design for Class #1500 and #2500 ANSI
  • Bubble Tight Seat Seals
  • Emergency Stem and Seat Sealing
  • Antistatic Devices
  • Anti-blow out stem design per API 608
  • Low Operating Torque
  • Locking Device

Options

  • Bare Stem, Lever, Gear, and Automated
  • Stem Extensions
  • Pupps / Fabrication

Catalog & Downloads

Catalogue

PDF

Torque Data

PDF

GVS Soft Seated Trunnion Mounted Ball Valve

GVS Soft Seated Trunnion Mounted Ball Valves

GVS API 6D Soft-Seated Trunnion-Mounted Ball Valves are widely used in midstream and downstream Oil & Gas applications where tight shut-off and low torque operation are essential. These valves provide reliable bi-directional sealing and are ideal for clean service fluids such as natural gas, refined fuels, and light hydrocarbons. Their design allows for low operating torque and reduced wear on the seats, making them suitable for high-cycle automated systems. Common installations include:

  • Transmission Pipelines: Provide critical shut-off and isolation points along high-pressure natural gas or liquid hydrocarbon pipelines to ensure safe and efficient flow control over long distances.
  • Metering Stations: Ensure tight shut-off around custody transfer points where accurate flow measurement and zero leakage are essential.
  • Block Valve Stations: Act as sectional isolation points to enable maintenance, emergency shutdowns, or system segmentation without disrupting the entire pipeline network.
  • Tank Farms: Control flow into and out of storage tanks, offering reliable sealing to prevent product loss and vapor emissions.
  • Refineries: Regulate the flow of refined hydrocarbons and light products within process units, requiring bubble-tight sealing in clean fluid service.
  • Compressor and Pump Stations: Manage the inlet and outlet flow of gas or liquids under pressure, maintaining integrity under high-cycle and automated operation.

GVS Soft-Seated Trunnion Mounted Ball Valves are used in the petrochemical industry for tight shut-off and low-torque operation in clean service applications involving refined hydrocarbons, light chemicals, and process gases. These valves are commonly installed in processing units, storage terminals, loading systems, and chemical distribution networks, where reliable sealing and corrosion resistance are essential. Their design supports automated operation, extended cycle life, and minimal maintenance, making them ideal for batch processing, custody transfer, and flow isolation in complex petrochemical facilities.

  • Processing Units: Provide low-torque, bubble-tight shut-off for refined hydrocarbons and clean chemical streams in reactors and separators.
  • Storage Terminals: Ensure secure flow isolation and emission control at tank inlets and outlets for light chemicals and petrochemical products.
  • Loading Systems: Deliver reliable sealing during the transfer of processed chemicals to railcars, tank trucks, or marine vessels.
  • Chemical Distribution Networks: Manage flow direction and isolation across interconnected piping systems in downstream chemical plants.
  • Custody Transfer Stations: Maintain accurate, leak-free shut-off to support precise metering and product accountability during transfers.
  • Batch Processing Systems: Enable automated, repeatable shut-off in multi-step chemical production processes requiring clean service performance.