Shut-off and control valve with bellows seal ACTA series B433

DN: 15-200
PN: 40 bar
t max°: 220 °С
Body material: carbon steel GS-C25+13Cr
Connection: flanged

Overview

A shut-off and control valve is a type of valve that combines the functions of both a shut-off element of the system and a regulating element. The system parameters are regulated by changing the flow rate through the flow section due to the parabolic shape of the plunger. These valves are used in pipelines of various systems: technological, steam condensate, water and heat supply.

Design features

  • Parabolic plunger shape for flow regulation
  • Soft PTFE seal
  • Bellows seal on the stem, does not require periodic maintenance
  • Emergency gland seal
  • Open/closed position indicator
  • Non-rising stem design

Model overview

Those. information

Nominal diameter DN 15 – 200
Nominal pressure PN 40 bar
Temperature of working medium From –60 °С to 220 °С
Working medium Steam, water, air, oil products and other media compatible with the valve construction materials
Tightness class «A» according to GOST 9544-2015
Type connections Threaded G
Flanged according to GOST 33259-2015
Control type Threaded G
Steering wheel — standard / Gearbox, electric drive — on request
No. Name Material
1 Body Carbon steel GS-C25+13Cr
2 Plunger Stainless steel 20X13
3 Valve seal PTFE
4 Stem Stainless steel 20X13
5 Body seal Graphite
6 Bellows Stainless steel 08X18H10
7 Seal by rod Graphite
8 Case cover Carbon steel GS-C25+13Cr
9 Steering wheel Carbon steel

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Colors

DOP

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