Diaphragm-plunger pressure regulator "after itself" with pilot control ASTA series P02/02

DN: 50 - 250
PN: 16 bar
t max°: 80 °С
Body material: cast iron HF
Connection: flanged

Overview

The ASTA P02 series control valves are designed to regulate the flow of the working medium by changing the flow cross-section of the valve.
The force created by the working medium is supplied to the actuator through impulse tubes, acts on the actuator membrane and the valve spring, thereby setting the stem in motion.
The valves have a wide range of applications depending on the type of control pilot.

Design Features

  • High control ratio (wide range of operating flows)
  • Various mounting positions (horizontal/vertical)
  • Valve is maintenance-free for a long time due to corrosion-resistant components
  • Epoxy body coating
  • Soft plunger seal (tight in closed position)

Model overview

Those. information

Nominal diameter DN50 – 250
Nominal pressure PN16 bar
Temperature of working mediumFrom –10 °C to 80 °C
Working mediumWater and other liquid media compatible with valve construction materials
Capacity, Kvs38 – 1126 m3/h
Connection typeFlanged according to GOST 33259-2015
No.NameMaterial
1BodyDuctile iron EN-GJS-450-10
2CoverDuctile iron EN-GJS-450-10
3RodSteel 20X13
4SpringSteel Х18Н10Т
5DiaphragmNatural rubber
6PlungerSteel 04Х18Н10
7GasketNBR

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