WebBolt tensioning cylinders with multiple piston surfaces and automatic piston return for high bolting cycles. Designed with a hollow piston to be applied on long protruding threads like foundation bolts, heat exchangers or flanges. Hydraulic Bolt Tensioning Cylinders: special designs Hydraulic Bolt Tensioning Cylinder type Twin WebAny project,any time. We apply the full spectrum of bolting & torquing tools and techniques (e.g. ultrasonic bolt load measurements) to give you a leak-free & reliable facility. Our seasoned technicians are ready to take on any challenge, understanding that safety remains the #1 priority when executing work in a live facility.
Hydraulic Bolt Tensioning – How It Works Video - INTEGRA …
WebThe testing procedure: Easy and fast usage. Test bolts M20 to M72 (3/4" to 3") are directly mounted to the quick-clamp mechanisms of the measuring device. The bolt tensioning cylinder is threaded onto the test bolt and the coupling is connected to an integrated ITH hydraulic pump (ITH Hydro-MAX 38 in standard) WebStep 1: The bolt tensioner is fitted over the stud Step 2: Hydraulic pressure is applied to the tensioner which then stretches the stud Step 3: The stud's nut is wound down against the joint face Step 4: … インスタ ff確認方法
What is 25%, 50%, and 100% bolt tensioning? - Atlas Copco
WebApprox. bolt stress depending on size: 250 to 400 N/mm2 (35 to 60 ksi) Temperature range: -10 to 250ºC (0 to 500ºF) SB8 Standard bolt tensioner: Dimension range: M16 - M160 (3/4″ - 6″) Approx. bolt stress … WebThere are five approved methods to pretension bolts: Turn of Nut, Calibrated Wrench, Twist-off Tension Control, Direct Tension Indicator, and Combined methods. The specific requirements of each method are described in RCSC sections 8.2.1 through 8.2.5. WebTensioning operation Step 1.. The bolt tensioner is fitted over the stud Step 2.. Hydraulic pressure is applied to the tensioner which then stretches the stud Step 3.. The stud's nut is wound down against the joint face Step 4.. Pressure is released and the tool removed paddle iberico