Diaphragm-plunger pressure regulator "before itself" with pilot control ASTA series P02/03

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 DN 50 – 250
Nominal pressure PN 16 bar
Temperature of working medium From –10 °C to 80 °C
Working medium Water and other liquid media compatible with valve construction materials
Capacity, Kvs 38 – 1126 m3/h
Connection type Flanged according to GOST 33259-2015
No. Name Material
1 Body Ductile iron EN-GJS-450-10
2 Cover Ductile iron EN-GJS-450-10
3 Rod Steel 20X13
4 Spring Steel Х18Н10Т
5 Diaphragm Natural rubber
6 Plunger Steel 04Х18Н10
7 Gasket NBR

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Colors

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