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REVERSAL VALVE - Stop valves

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KazakhstanKazakhstan
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Minimum wholesale party : 1 PCs
Languages spoken by staff
Russian
The company is represented on the site
1 year 5 months
Experience in countries
kaKazakhstan
ruRussia
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Item description

The non-return valve is designed to prevent backflow of the transported medium in process pipelines and to ensure the safety of the equipment at pumping stations.
Connection: flanged / welded
Working environment - water, oil, oil products
The reverse valves are produced according to ST 1836-1917-01 -AO-09- 2013
Working position - on the horizontal pipeline with the cover facing up; on the vertical pipeline - in the direction of the arrow on the housing upwards
Climatic modification: У, ХЛ, УХЛ according to GOST 15150
The non-return valve is designed for outdoor use in the following macro-climatic regions with the allocation category 1 according to GOST 15150:
with a temperate climate - performance of U (N);
with a cold climate - the execution of CL (F);
with a temperate and cold climate - the performance of UHL (NF)
MATERIALS OF MAIN DETAILS:
Part name / Material in execution: У - УХЛ, ХЛ
Cover / 20L GOST 977-88 - 20L GOST 977-88
Lever / 20L GOST 977-88 - 20L GOST 977-88
Clap / 20L GOST 977-88 - 20L GOST 977-88
Saddle / 20L GOST 977-8875 - 20L GOST 977-88
Axle / 20X13 GOST 5949-75 - 14X17H2 GOST 5949-75
Hairpin, nut / 38ХА GOST 4543-71 - 40ХА GOST 4543-71

General characteristics

Full life for valves DN 40, 50,80,100
6000 cycles
Full service life for valves DN 40, 50,80,100
12 years
Lifetime wiernych parts and parts for other valves
at least 15 years
MTBF for unassigned service life for all other valves
not less than 750 cycles
Probability of failure per cycle open-closed for all other valves
not less than 0,999
Specified lifetime for all other valves
at least 30 years
The warranty period
18 months from the date of commissioning, but not more than 20 months from date of shipment from the factory
Time to failure for valves DN 40, 50,80,100
1800 cycles

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