Patent ID: 6263903
Filing Date: 2001-07-24
Classification: E03B,Y10T

Abstract:
An arrangement for a stop valve (1), adapted for location below ground level (3) and connection to a pipeline system (8) laid in the ground (2), said arrangement comprising a valve housing (11) and a valve bonnet (12) which is separably engaged to the housing by fixing means (14), wherein a valve spindle (15) supporting a moveable stop means (16) is rotatably engaged to the valve bonnet (12) and;a tubular member (9) extending from the valve (1) up to the ground level (3) to enable operation of the valve spindle (15) from the ground level, and,a collar means (10, 10') which is tightly connected with and supported by the valve housing (11) and has a collar portion (18, 32) which surrounds the valve bonnet (12) and the fixing means (14) and is tightly connected with the lower end of the tubular member (9), a diameter of the tubular member (9) essentially corresponding to the diameter of the collar portion (18, 32),wherein pipe access means (12') for measuring conditions or cleaning within the pipeline can be selectively interchanged though the tubular member and collar means for the valve bonnet (12) including the valve spindle and movable stop means and engaged to the housing by the fixing means.