Swing / Sliding Line Blind

Total equipment isolation valves are never 100% reliable. For this reason, most safety regulations demand positive shut-off devices like line blinds Strahman offers the most complete and diverse series of line blinds in the world. While most types of line blinds require movement of the adjacent piping prior to changing from open to closed positions, Strahman offers designs to avoid this disadvantage.

Strahman Line Blinds provide:

• Total equipment isolation from pipeline leakage
• Positive positioning locking system
• Multiple types of seals
• Drain connections on one or both sides of the line blind
• No movement of adjacent piping when thrown
• One man operation
• Sizes from 1"to 48"
• End connections as dictated by the piping system
• Virtually all metallurgies
• Pressure classes from 150 ANSI to 1500 ANSI
• Compliance with many standards: ANSI, ASME, TUV, NACE, API, USN, LLOYDS CRYOGENIC, FIRE SAFE
• Seals are installed on the spectacles for easy maintenance and replacement

• Available with butt weld or flanged ends
• High-temperature, Fire Safe, designs available
• Zero Emissions design available
• Standard product range includes nominal diameters from 1" through 48" and ANSI pressure classes 150 through 1500, other sizes available upon request