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This part of BS 1212 specifies requirements for materials, connecting dimensions, overall size limitations and performance of compact float operated valves, incorporating a float designed for use at operating pressures of between 0.1 bar and 10 bar 1) and intended for use in WC...
Specifies workmanship, dimensions and performance requirements for diaphragm type valves of nominal size 3/8 and 1/2, intended for use with floats complying with the requirements of BS 1968 and BS 2456.
Specifies materials, workmanship, dimensions and performance requirements for piston type valves of nominal size 3/8, 1/2, 3/4, 1, 11/4, 11/2 and 2, intended for use with floats complying with the requirements of BS 1968 and BS 2456.
Description Devices incorporate two independent check valves in series separated by a means of discharging to a drain by way of a valve and air gap, a means to automatically control flow based on a pressure range, and a means of atmospheric venting to allow drainage. Devices shall...
Operational requirements.
Scope and application This recommended practice gives guidance which can be applied to establish, implement and maintain the Integrity Management System. This recommended practice is applicable to rigid steel pipeline systems, and its associated pipeline components, as defined in DNVGL-ST--F101...
Requirements for two grades of plastic floats specified in BS 1212.
No scope available.
No scope available.
This standard provides performance standards and compliancetesting procedures for atmospheric type vacuum breakers that are singlepipe-applied, flushometer-applied,
This part of IEC 60896 applies to all stationary lead-acid cells and monobloc batteries of the valve regulated type for float charge applications, (i.e. permanently connected to a load and to a d.c. power supply), in a static location (i.e. not generally intended to be moved from...
5.1 Rolling friction like sliding friction depends upon many factors. It is a system effect that involves the nature of the rolling surface and the counterface. The sliding friction force (F) is usually considered to be the sum of forces arising from deformations of surface features (Fs), from...
