Thermotech supplies measuring kits for flange facing.
Normaco FF V groove measuring kit is a complete measuring tool used in conjunction with the ring joint machining kit to accurately measure the depth and width of ring grooves. The kit can also measure the conical diameters for groove and hub profiles such as techloc or grayloc style hub. Read more about the products here.
Normaco FF V Groove measuring kit
Normaco V groove measuring kit