Disk shutters are designed for installation as shut-off devices on pipelines of various liquid media.
Working environment - water, oil, oil products
Manufactured under ST 1836-1917-01 -AO-07- 2013
Installation position of the gates - on a horizontal, vertical or inclined pipeline above ground or in a well.
The position of the shutter shaft must be horizontal or vertical, depending on the version.
Climatic performance - U HL, T according to GOST 15150.
Disk shutters are designed for operation in the following macro-climatic regions with the allocation category 1, 2, 3, 4 according to GOST 15150:
with a temperate climate - performance of U (N);
with a cold climate - the execution of CL (F);
with a moderate and cold climate - the performance of the UHL (NF).
Connection to the pipeline:
* for welding
* flanged, with connecting dimensions according to GOST 12815 or according to working drawings
Dimensions, construction lengths and mass of valves: according to the working drawings agreed with the customer in the established order
MATERIALS OF MAIN DETAILS:
Part name / Material in execution: У - УХЛ, ХЛ
Body, flange / 20L GOST 977-88 - 20L GOST 977-88
Disk / 20L GOST 977-88 - 20L GOST 977-88
Shaft, Axle / 20X13 GOST 5949-75 - 14X17H2 GOST 5949-75
Hairpin, nut / 35ХА GOST 4543-71 - 20ХНЗА GOST 4543-71