Service : Recommended for the suspension of stationary Ductile Iron Pipe. Maximum Temperature: 650 °F. Approvals : Complies with federal specifications WW-H-121 Latest Edition (Types and Manufacture's Standardization Society SP-69 (Type 1). Installation : Hanger load nut above clevis must be tightened securely to assure proper hanger performance. Adjustment : Vertical adjustment without removing pipe may be made from 3/8 to 3- 7/8 inches, varying with the size of clevis. Tighten upper nut after adjustment. Material : 304/316 Stainless Steel. Ordering : Specify by pipe size and material. Note : 30" to 48" available by special order.