Our needle valve :
For any liquid, powder or gas.
Well suited for high pressure.
Optional bellows for dangerous medium.
To adjust the line flow, generally hand operated
| DN 5 to DN 20 |
| 1/8" à 3/4" |
| PN 10 to PN 150 | 150 to 900 lbs |
Type: 508
Functions - Needle valve
♦ shut off or control valve ; in line
Construction - Needle valve
- Construction materials: Carbon Steel (CS), Stainless Steel (SS), Duplex & Super Duplex, Inconel & Incoloy®, Titanium, Zirconium, Uranus® B6, Tantalum, Nickel, Hastelloy®, Monel
- Construction methods: Fabricated (Welded), Cast, Solid
Uses - Needle valve
- Service conditions: High pressure, High temperature, Low temperature, Corrosion, High viscosity, Vacuum
- Types of fluids: Liquids, Liquids with solid particles – Slurry, Gas, High viscosity fluids
- Applications: Fine chemicals, Plastics and polymers, General chemicals, Petrochemicals, Nuclear and Naval / Submarine, Cryogenic service
| DN 5 to DN 20 |
| 1/8" à 3/4" |
| PN 10 to PN 150 | 150 to 900 lbs |
Features
♦ metal-to-metal disc/seat tightness
♦ needle disc shaped to enable fine flow setting
♦ position indicator
♦ bolted stuffing-box, live loaded with spring washers
♦ solid connection flanges
♦ in compliance with PED 97/23/EC
Operation
Handwheel,double acting pneumatic actuator,single acting pneumatic actuator (limited by size/pressure class and/or stroke),hydraulic actuator,electric motor,air motor
Closing device
needle or disc
Options - Needle valve
- adaptation to any type of connection
- hard faced seating surfaces
- vacuum tightness
- bellows sealed stem
- additional draining and/or cleaning nozzles
- firesafe design
- leak detector at stuffing box
- stroke limit or proximity switches
- dry air pneumatic actuator
- manual override for pneumatic actuator
- stainless steel pneumatic actuator
- closed actuator locking (safety)
- manual operator with locking mechanism
- manual operator mounted on ISO base for later motor adaptation
- electric actuator with local / remote controls
CAUTION : some options are not compatible