Profile: RJ Machine Co., Inc specializes in offering replacement parts for Daniel Senior orifice fittings. We manufacture parts of sizes from 2" through 24" in carbon steel and also in 316 stainless steel. We maintain an inventory on all replacement parts from 2" through 24". Our products include bearing plug, grease sticks, stuffing box, body stud nut, internal check valve, teflon sleeve, body stud, line up pin, ring holder, clamping bar, operating wrench, and stuffing box gasket. Our teflon sleeves are available in various sizes including 1/8", 1/4", 3/8" and 1/2" sizes. Our stuffing box gaskets are made up of copper and stainless steel.