• Safety device used to isolate a section of line or piece of equipment when it needs to be inspected or removed from service. 

  • Permanent or long-term isolation device. 

  • Machined from a single piece of metal cut to match the pipe size.


Material Specifications:




Carbon Steel

ASTM A105/ SA 266, ST37.2/ C22/ C22.8

Stainless Steel

ASTM A182 304/304L/304H, 316/316L/316H, 317/317/317H, 321/321H, 347/347H, 316Ti


ASTM A182 F51, F60

Super Duplex

ASTM A182 F53, F55

Nickel Alloys

Alloy 20, Hastelloy C276, Monel 400/500, Inconel Alloy 625/800/825/600

Alloy Steel

ASTM A182 F1, F5, F6, F9, F11, F22, F91

Low Temperature Carbon Steel 

SA 350 LF2, LF3.

High-Yield Steel

ASTM F694 F50, F52, F60

**Please Request for Quote for specific materials.