Piping Technology and Products, Inc. custom designed and manufactured four double lug suspension PTP 100-C size 84 constants for a power plant in South Carolina.  These constants are designed for a vertical travel range of 5" and an operating load capacity of 49,000 lb. They are fabricated out of A36 carbon steel and weigh 2,900 lb. each. Prior to shipping standard load and travel tests were performed on these 20"x 35"x 80" constants to ensure quality.