Shut-Off Pigging Valves

In 2011, TVC designed and released the Shut-Off Pigging Valve (SHPV), also known as a Trunnion Block-Mounted Ball Valve, with state-of-the-art ease-of-use and performance under the severest conditions. This TVC Shut-Off Pigging Valve reduces torque and stem loading while adding longer life. TVC SHPV is bi-directional and, you can use it as a launcher, receiver, or catcher. You can install this pigging ball valve can with a by-pass where needed.   

Learn more about the benefits, design, and features of our engineered piggable valves below. We also provide a detailed Shut-Off Pigging Valve order matrix below for your convenience.

Benefits

• Trunnion Block design offers reduced torque and robustness
• Complete Range of Fluid flexibility and compatibility
• Cost savings over conventional pigging systems and skids
• Available as a Launcher, Receiver, or Catcher.
• Forged construction reduces NDE requirements
• Complete selection of pigging systems and accessories

Design

• Engineered, manufactured and tested to API 6D
• Industry Standards: API 6D, ASME B16.34 and API 598
  
• Meets NACE MR0175-03
  
• Size range: 2” – 16”
  
• Pressure Classes: ANSI Classes 150 to 1500
  
• Standard temperature range: -20 to 300 deg. Fahrenheit
  
• Special Order range: -50 to 400 deg. Fahrenheit
  
• Materials: LF2, 316 SS, and Exotic Alloys as required
  
• Seals: HSN, HNBR, James Walker, Viton, Teflon, Devlon Peek or as required
  

Features

• Positive Shut Off
• Trunnion Block mounted Ball for reduced torque and stem loading
• Large Bearings for smooth robust operation
• Up Stream sealing with automatic downstream cavity relief
• Double Block and Bleed with vent and drain capabilities
• Large button head grease fittings with buried checks
• Emergency seat sealant injection
• Pig Entry Cap with vent
• Pig Entry Cap with hex drive and spanner drive options
• Open and Closed lockable stop plates 2” – 6”
• 6” and larger utilize a body cavity equalization valve
• Large Actuator Mounting Pads and Stems
• Accepts Bullet, Spherical, and Double-Dish pigs
• TVC pigs are fabricated to fit all TVC pig valves.

Shut-Off Pig Valves Order Matrix

Component Parts

3"–6" Valve Sizes

8" and Larger

Launching and Receiving

Pig Valve Orientation—Catcher Positions

Dimensions and Weights

3"–6" Valve Sizes

8" and Larger