Needle Valve

NEEDLE VALVE

شیر سوزنی

Needle Valve

DN:200-2000 mm | PN: 10-25 bar

Needle valves are commonly used to control pressure and precise adjustment of the flow, and can greatly reduce downstream pressure by dissipating water energy.

DN: 200 - 200
mm
PN: 10 - 10
Bar

Needle valves are commonly used to control pressure and precise adjustment of the flow, and can greatly reduce downstream pressure by dissipating water energy.

  • Drilling of flanges in accordance with DIN EN 1092-2 (DIN 2501)
  • face to face: According to DIN EN 558-1 Series 15 standard from size 500 face to face distance DNx1 / 5
  • Gearbox seat machining: According to ISO 5211
  • Valve test: in accordance with (DIN EN 12266-1) ISO 5208

Features  and  Advantages of Nahrab Gostar needle valve:

  • No vibration and wearing
  • Exact regulating the flow
  • Using proper materials resistant to both fluid corrosion and high pressure.
  • Minimum pressure loss.
  • The valve is designed so that the foreign objects remained inside the valve is minimum.

Corrosion Protection :

   Electrostatic  epoxy powder Coating  with a  min  thickness  250   and certified by reputable international institutions for potable water.

NO.

Part Name

Material

1

Body

(Ductile Iron (GJS 400-15 *

2

Piston

Stainless Steel

3

Retainer

Stainless Steel

4

Connecting rod

Stainless Steel (X20 Cr13)

5

Profile seal

EPDM or NBR

6

Seat ring

Stainless Steel

7

O-ring

EPDM or NBR

8

Plug screw

Stainless Steel

9

Pin

Stainless Steel

10

Guide

Al.Bz

11

Crank

Stainless Steel

12

Eye bolt

Galvanized Steel

13

Hexagon Screw

A2

14

Bush

Bronze

15

key

Steel (ST 60)

16

Bonnet

Steel (ST37-2)

17

Retaining Oring

Brass

18

Hexagon socket head cap Screw

A2

 Steel needle valve can also be produced as request.

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