GripSafe®ST IIB (1 Seal – Reverse Pressure) Specifications Chart

GripSafe®ST IIB

Inboard Insertion Blocking  ·  All dimensions in inches

NPS
(in)
Schedule Part Number Tool Dia.
(in)
Rec. ID Range*
(in)
Nom. Pipe ID
Clearance (in)
Approx. Wt.
(lbs)
Tool Length
(in)
Torque Range
(ft-lbs)
Comp. Hex Nut
Socket (in)
Backup Wrench
Size (in)
Back Pressure
Vent Thread
Back Pressure
Rating (PSI)
Norm Max
● NEVER EXCEED THE MAXIMUM RATED PRESSURE OF THE LOWEST RATED COMPONENT IN THE SYSTEM. * Larger sizes and custom configurations available upon request.
*4" Schedules 120, 160 and XXH – employ the smaller profile body style - all other 4" schedules employ the larger body style
NPS 6–24: Tool OD must be within 1/8" concentricity to the pipe ID.
Data is subject to change. Consult manufacturer to verify this is the latest release.
USA Industries — South Houston, TX | Prairieville, LA — (800) 456-8721 — www.USAIndustries.com

©2026 USA Industries • ISO 9001:2015 • M-GSST-IIB-3/4-36-2026