SV-BLV-ACT Actuated Two-Piece Ball Valve

SV-BLV-ACT Actuated Two-Piece Ball Valve

Automated Quarter-Turn Ball Valve for Reliable Process Isolation and Flow Control

The Stanvalves SV-BLV-ACT is a premium automated two-piece ball valve designed to provide dependable on/off isolation and modulating flow control for a wide range of industrial process applications. Combining a robust investment cast ball valve with high-performance pneumatic or electric actuators, the SV-BLV-ACT delivers fast, reliable and maintenance-friendly automation for demanding operating environments.

Available in carbon steel and stainless steel constructions, the valve incorporates a precision-machined floating ball with reinforced PTFE seats to provide bubble-tight shut-off, low operating torque and exceptional cycle life. The modular actuator mounting design enables rapid installation, easy maintenance and straightforward field replacement.

Suitable for both automated isolation and proportional flow control, the SV-BLV-ACT is widely used throughout the chemical, pharmaceutical, food processing, water treatment, oil & gas and general process industries.

Key Features

  • Fully automated quarter-turn operation
  • Two-piece investment cast body construction
  • Full port design for maximum flow capacity
  • Pneumatic or electric actuator options
  • On/Off or modulating control
  • Bubble-tight shut-off
  • Blow-out proof stem
  • Low operating torque
  • ISO 5211 direct mounting pad
  • Anti-static device available
  • Fire-safe design available
  • Lockable manual override (selected actuator models)
  • Compact and lightweight assembly
  • Long maintenance-free service life
  • Suitable for vacuum service
  • Corrosion-resistant materials

Advantages

The Stanvalves SV-BLV-ACT combines a precision-engineered two-piece ball valve with high-performance pneumatic or electric actuation to deliver dependable automated flow control across a wide range of industrial applications.

Its full-port design minimises pressure loss while ensuring unrestricted flow. The ISO 5211 mounting platform enables easy actuator interchangeability, and the robust construction provides long service life even in demanding environments. With a wide choice of actuator types, control options and materials of construction, the SV-BLV-ACT offers a flexible solution for everything from simple remote isolation to sophisticated process automation systems.

Designed for reliability, efficiency and ease of maintenance, the SV-BLV-ACT is the ideal choice wherever safe, accurate and dependable automated valve operation is required.

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Technical Specification

Valve Type: Two-Piece Automated Ball Valve

Model: SV-BLV-ACT

Operation: Pneumatic or Electric Actuator

Valve Design: Two-Piece Investment Cast

Bore: Full Port

Pressure Rating: PN16, PN25, PN40 / ANSI Class 150 & 300

End Connections: BSP, NPT, Socket Weld, Butt Weld, Flanged

Stem Design: Blow-Out Proof

Mounting Standard: ISO 5211

Leakage: Bubble Tight (API 598)

Flow Direction: Bi-directional

Standard Valve Materials

Component: Standard Material

Body: ASTM A216 WCB Carbon Steel

Body (Optional): ASTM A351 CF8 (SS304)

Body (Optional): ASTM A351 CF8M / CF3M (SS316 / 316L)

Ball: Stainless Steel 316

Stem: Stainless Steel 316

Seats: Reinforced PTFE

Stem Packing: PTFE

Body Seal: PTFE

Dimensions

Available Sizes

  • DN15 - ½"
  • DN20 - ¾"
  • DN25 - 1"
  • DN32 - 1¼"
  • DN40 - 1½"
  • DN50 - 2"
  • DN65 - 2½"
  • DN80 - 3"
  • DN100 - 4"
  • DN150 - 6"
  • DN200 - 8"

Larger sizes are available upon request.

Design Standards

Manufactured in accordance with internationally recognised standards including:

  • API 608
  • API 598
  • ISO 17292
  • ISO 5211
  • ASME B16.34
  • ASME B16.5
  • MSS SP-110
  • BS EN 12266
  • IEC 60534 (Control Valve Applications)

Operating Range

Temperature Range

-20°C to +180°C (PTFE Seats)

Up to +220°C (Modified PTFE)

Higher temperatures available with specialist seat materials

Vacuum Service: Full Vacuum Suitable

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