FIELD: tests of pipes of various diameters for strength and tightness. SUBSTANCE: invention can be used in oil and gas industries. Bed includes frame, tightening unit 22 moving in longitudinal direction and immobile on 19, chain drive of mobile unit, mechanism for loading and fixing of pipe manufacture in the form of bell-cranks rotary in one plane and rollers 14, clamping fixture fabricated in the form of mobile body 28 and clamping and unclamping mechanism fitted with jaws 30 and drive 31. Drive carries positioning members 32 and mechanism fixing pipes is mounted on mobile tightening unit. EFFECT: simplified design and enhanced operational efficiency of bed. 1 cl, 4 dwg
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