VFN212N is a 3 port solenoid valve compliant with NAMUR interface. It can be directly installed on valve actuators that comply with NAMUR.
- Port size: 1/4"
- Flow characteristics: P->A: Cv 0.72; A->R: Cv 1.38
- Power consumption: 1.8W
- Operating temperature: -10 to 60Configure Options...
2 r e w q r e w q VG VP S070 VQ VKF N.C.
40 Pilot EXH 177.5 14 (3(R) port) 2 x 5.5 Mounting hole 2 x 1/4 (: Thread type) 1 3 Manual override 23 9 19 3(R) port 1(P) port Conduit terminal VFN212N-lTll-02l-l-l Grommet VFN212N-lGll-02l-l-l Surge voltage suppressor (With "S") 137 41.7 300 19 23 Indicator light (With "Z") 74(Without "Z": 64) 64(Without "Z": 54) Grommet terminal VFN212N-lEll-02l-l-l Lead wire O.D. 3.5 at max.
The pilot air of the piston r is also exhausted from the pilot valve q, and the piston r is returned upward due to the spring, closing the flow passage from the needle t. q r w Exhaust OFF t e 6 A AV2000-A/3000-A/4000-A/5000-A Series Construction X X-X r e u q y t Component Parts No.
Operation description of the soft start-up valve q When the pilot valve q is turned OFF , the pilot air of the spool w is exhausted from the pilot valve q, and the spool w and valve e are returned upward due to the spring. This opens the flow passage to port 3 (R), exhausting the air pressure on the port 2 (A) side.