- Butterfly valves of PromArm manufacturing
- PA 200
- PA 300
- PA 400
- PA 600
- PA 700
- PA 900
- Select by name
- Solutions for branches
- Butterfly valves for ships
- Stem extensions
Specifications of the PA 300 series butterfly valves
Flow capacity of valves Kv, m3/h
Reliability parameters of butterfly valves
|Mean life, cycles, not less than||5400||4400||4000||3400||2400||2000||1900|
|Warranty life, cycles, not less than||2000||1700||1600||1400||1000||800||650|
Average life and warranty life of the sealing materials identified when testing valves with water according to GOST 2874-82
When operating valves for working mediums other than water, the reliability parameters are determined by the specific mediums, depending on its parameters.
The warranty period is 12 months from the date of putting into operation, but not more than 18 months from the date of sale under condition of observance by the consumer of rules of transportation, installation and operation.
Conservation period - 3 years.
Average service life of body parts is not less than 30 years.
Average life removable parts and components – at least 5 years.