Needle Valves NR Series - Selection Chart
NR Series Needle Valves - Overview
- Material: stainless steel. 316 steel, special materials available on request.
- Available pressure classes: 15000 PSI (1034 bar); 20000 PSI (1380 bar); 30000 PSI (2070 bar); 60000 PSI (4140 bar).
- Available sizes: 1/4" NPT/MP/HP; 3/8" NPT/MP/HP; 1/2" NPT; 9/16" MP/HP; 1" MP
- Main types of valve body: type A - straight, type B - angle, type C - three-way, 1 at pressure
- The valves of the NR series are equipped with a replaceable seat, which allows you to restore the valve without removing it from the system.
- Drive: Hand crank, available models with pneumatic drive.
< li>Sealing needle type: V-shaped, regulating.
< li >Stem movement: translational without rotation, prevents jamming, abrasion of the needle, seat.
- Seal material (standard version): glass filled PTFE, alternative materials are available, such as grafoil.
- Standard operating temperature range -73°C...232°C (-100°F...+450°F).
- The oil seal lock prevents untwisting during valve operation.
- Available with nut for panel mounting.