Line Blinds | Strahman Process Valves | Strahman Group

Line blinds are safety devices designed for positive shut-off of piping, equipment or storage tanks where positive shut-off is defined as a device in a closed, drop-tight, verifiable, and maintainable position. This positive shut-off feature makes line blinds perfectly attuned for permanent or long-term piping system isolation and shutdown.

Advantages of Line Blinds

Quickly isolates lines compared to spectacle blinds
Saves money on labor and equipment when isolating systems
Zero-leakage compared to some isolation valves

Quick Action Line Blinds Save Time and Money

Line Blind Chart

Strahman Line Blinds

Strahman’s AMERICAN MADE line blinds come in a variety of configurations and are customizable to meet just about any application.

Product Options

Cryogenic series
Large size range (1/2” through 48” is standard, but we can customize up to 52")
Body materials (CS and SS are standard)
ANSI flanged, Butt-welded or DIN flanged end connections
Variety of seals
Automated models
Non-spill style
Position feedback

760 and 740 series (non-spreading design)

Non-spreading line blinds use a cam system to create space between the body flanges for the spectacle plate to slide or rotate into position and seal.

Features

Safe and effortless operation with manually or with handwheel
No pipe stress as the spectacle plate moves into position
No pipe sag or misalignment from spreading
Single person operation

700 series (spreading design)

The original design for line blinds. Depending on the size, 3 to 7 jack bolts are turned to create space, spread the pipe, and rotate the spectacle plate into position.

Features

No tools needed for operation
Cost-effective design
Excellent for high pressure/extreme temperature applications
Single person operation

Quick Ship Program

Strahman is committed to exceeding the needs of its customers. One of those needs is being able to provide a product quickly. Strahman now has a new program to meet that need - a 10 day Quick Ship Program for its 760 series sliding line blinds.