Needle valve & Gauge valve
Main facts
| Dimension range | PN | Temperature range | Material |
|---|---|---|---|
| DN 10-15 | 100 | Max +300 ºC | Steel |
Range of Application
For shut off and control of:
- steam
- gases
- liquids
Programtext
Needle valve and Pressure gauge valve
Needle valve AT 1870, DN ... with butt weld ends and locked stuffing box nut. PN 100.
Quality Assurance
Certificate acc. to EN 10204, 2.2 (to be stated upon ordering).
Material Specification
| 1 | Body | steel | C 22.8 |
| 2 | Stem | stainless steel | SS 2343 |
| 3 | Stuffing box nut | stainless steel | SS 2343 |
| 4 | Stuffing box | graphite | |
| 5 | Hand wheel | blue painted steel plate | |
| 6 | Gland | stainless steel | SS 2343 |
Dimension and Weight
| DN | 10 | 15 |
|---|---|---|
| A | 120 | 120 |
| B max | 95 | 95 |
| C | 18 | 22 |
| D | 56 | 56 |
| Weight | 0,49 | 0,46 |
| Measurements in mm, weight in kg. | ||
Function and Design
With locking clamp which prevents the stuffing box nut and stem from coming loose during operation. The valve has internal stem thread with rising stem and hand wheel.
Technical Information
| DN | 10 | 15 |
|---|---|---|
| KVS | 0,46 | 0,60 |
Installation
The needle valve AT 1870 is performed with butt weld ends. During welding-in the valve shall be in closed position and cooled down.
Marking
Manufacturer, DN, PN, material and flow arrow.
