Products

Piston Valves

General

Double chamber piston valve AS-P/Y (Y shaped) και AS-P/T (angle shaped).

Usage

  • The piston type valve is available in all types of diaphragmatic valves series AS-A/Y and AS-A/YT and is mainly recomended for high pressures.
  • It can be electrically actuated to open fully or partially.
  • It can be equipped with piston position indicator.
  • It can be activated by a pilot or electromagnetic valves depending on the required usage of the valve.
  • It can work as pressure reducing valve without a pilot, reducing the pressure proportionally 1:4.
  • It is also available as firefighting valve.

Technical review

Sizes

TypeY threaded 1 ½" up to 3"

 

Type Υ flanged from DN50 up to DN450

 

Τype Τ from DN50 up to DN100

Working Pressure

PN10, PN16, PN25, PN40

Working Temperature

Από -10οC έως +80 οC

 

From -10οC up to +500 οC (special construction)

Βαφή

Epoxy 200μ.

 

Special paint for high temperatures 1.500 (upon request).

Technical data

Body

GGG40-50, DIN1693 / EN1563

Cover πιστονιού

INOX AISI 304 / INOX AISI 316

Actuatro's stem

Stainless steel X20Cr13 EN10088-3

Spring

Stainless Steel AISI 302

Piston

Phosphorous Bronze RG5

Sealing seat

PN10,16,25: bronze RG5

 

PN40: INOX AISI 316

O-Ring

EPDM

Sealing rubbers

EPDM / VITON / FFKM

Pipes

PN10,16: RILSAN

 

PN25: copper

 

PN40: INOX AISI 316

Mini valves και λοιπά accessories

Chromium copper

Bolts and nuts

INOX AISI 304