Bolted high pressure clamps 8" ss304 for tri clamp/tri clover fittings these high pressure clamps are used to connect two 8" tri clamp/tri clover style connections. They are secured with two ss304 bolts, lock washers and brass hex nuts. The bolts, lock nuts and brass hex nuts can be replaced easily as needed. These clamps are manufactured from 304 food grade stainless steel, and meet all of todays sanitary standards for sanitary fittings. At 70° f, these clamps are rated for a maximum pressure of 250 psi. At 250° f, these clamps are rated for a maximum pressure rating of 150 psi.