



Inspection Ports
Order Seals Fast
The world's finest seals in all of the most popular sizes.
Shop Inspection PortsPatented locking ridges
Flanges stay seated. Moisture stays out.
Watertight, no caulk
No screws, O-rings, or sealant required.
No special tools
Fits smooth, embossed, or corrugated jacketing.
Faster installs
Stainless lanyard keeps the cap on the job.
Sale items
Inspection ports for sale
Shop IPS sale items — silicone and EPDM ports, TML labels, ThermoDisc, and lock-down rings.
Why IPS
Access piping and vessels without compromising the jacket
Founded in 1995, Inspection Point Seals manufactures patented inspection ports, TML labels, ThermoDisc insulation, and aluminum lock-down rings — sale items used worldwide for CUI access. Silicone and EPDM ports make a watertight seal without screws, O-rings, or caulk. Customer testimonials list the plants where these sale items are installed.
Most orders ship same day if received by 2:30pm Central.
Testimonials
Customer testimonials
IPS testimonials name the facilities where our sale items — inspection ports, labels, and lock-down rings — are in CUI service. Read the full testimonials list, or call us for a site-specific reference.
- ExxonMobil
- Dow Chemical Company
- Shell Oil Company
- BASF Corporation
- Chevron Phillips Chemical
- Valero
