Nozzle Nominal Size: ø0.5, Solenoid Valve Combination: Supply: NC, Release: None, Pilot Valve: Standard (1W for DC), Power Supply Voltage: 24VDC, Electrical Entry: M Plug Connector w/o Connector, Light/Surge Voltage Suppressor, Manual Override: Non-locking Push Type, Suction Filter: None, Pressure Sensor Specs: w/o Pressure Sensor, Air Pressure Supply, P Port: w/o Fitting, M3 x 0.5, Vacuum
2/3 Port Valve Ex2) 3 port valve: Switching nozzle VNH P1 P1 port (Pilot air SUP port) nozzle P1 port (Pilot air SUP port) 2(A) 1(P) Tank Coolant pump 3(B) Switching nozzles on supplying coolant liquid.
1 t VXZ o y o y IN(P1) !3 VXS r !3 IN(P1) r OUT(P2) VXB B A OUT(P2) A B VXE IN(P1) C C IN(P1) e e q w VXP q w VXD2A VXD2B VXR !4 i VXH !4 u u !0 VXF A B !1 i VX3 !2 !0 !2 VXA o !1 t !3 o OUT (P2) w IN(P1) !3 B r OUT(P2) A r IN (P1) e C e IN(P1) C q w q VXD2E, 2F, 2G VXD2C, 2D Component Parts Operation
Clausings factor 8 Exhaust Time (Low/Medium Vacuum) K The time (t) required to exhaust a chamber at low vacuum with volume V (L), from pressure P1 to P2, using a pump with pumping speed S (L/sec) is t=2.3(V/S)log(P1/P2). In high vacuum, this is subject to the ultimate pressure limit imposed by outgassing and leakage as characterized above.
When P2 + 0.1 b, choked flow P1 + 0.1 293 Q = 600 x C (P1 + 0.1) (1) 273 + t When P2 + 0.1 > b, subsonic flow P1 + 0.1 2 P2 + 0.1 b P1 + 0.1 Q = 600 x C (P1 + 0.1) 1 (2) 1 b 293 273 + t Q : Air flow rate [dm3/min (ANR)], dm3 (Cubic decimeter) of SI unit are also allowed to described by l (liter). 1 dm3 = 1 l .
Area: (800) 258-9200-www.stevenengineering.com P1 = 0.8MPa 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 P1 = 0.6MPa Ex. 2 P1 = 0.5MPa P1 = 0.4MPa 0.4 0.4 P1 = 0.3MPa Ex. 1 0.3 0.3 P1 = 0.2MPa 0.2 0.2 P1 = 0.1MPa 0.1 0.1 0.001 0.04 0.03 0.02 0.01 0.004 0.003 0.002 0.1 Pressure difference P [MPa] Graph (2) Flow characteristics line Example 1) Obtain the pressure difference when water 15 [l/
Value is different from Kv and Cv factors for pneumatic purpose due to different test method. 3 3 Saturated steam flow rate Q0 [kg/h] (when Av = 1 x 106 [m2]) Water flow rate Q0 [L/min] (when Av = 1 x 106 [m2]) 2 Upstream pressure 2 P1 = 1 MPa P1 = 0.8 MPa 1 1 0.9 0.8 0.7 0.6 0.9 0.8 0.7 0.6 P1 = 0.6 MPa Example 2 P1 = 0.5 MPa P1 = 0.4 MPa 0.5 0.5 0.4 0.4 P1 = 0.3 MPa Example 1 0.3 0.3 P1
The values of Kv and Cv factors for pneumatic purposes are different due to different test methods. 3 3 Water flow rate Q0 [L/min] (When Av = 1 x 106 [m2]) Saturated steam flow rate Q0 [kg/h] (when Av = 1 x 106 [m2]) 2 Upstream pressure P1 = 1 MPa 2 P1 = 0.8 MPa 1 0.9 0.8 0.7 0.6 1 0.9 0.8 0.7 0.6 P1 = 0.6 MPa Example 2 P1 = 0.5 MPa P1 = 0.4 MPa 0.5 0.5 0.4 0.4 Example 1 P1 = 0.3 MPa 0.3
30 30 Example 2 20 20 P1 = 0.5 MPa P1 = 0.4 MPa Example 1 10 10 P1 = 0.3 MPa P1 = 0.2 MPa 5 4 5 4 P1 = 0.1 MPa 3 3 2 2 1 1 Glossary of Terms 0.002 0.003 0.02 0.03 0.04 0.004 0.001 0.01 0.1 Pressure differential P [MPa] Graph (2) Flow rate characteristics Example 1) Obtain the pressure difference when 15 [L/min] of water runs through a solenoid valve with a Kv = 1.5 [m3/h].
= 1 MPa P1 = 0.8 MPa P1 = 0.6 MPa 30 30 Example 2 20 20 P1 = 0.5 MPa P1 = 0.4 MPa Example 1 10 10 P1 = 0.3 MPa P1 = 0.2 MPa 4 5 5 4 P1 = 0.1 MPa 3 3 2 2 1 1 0.001 0.01 0.1 0.002 0.003 0.02 0.03 0.04 0.004 Pressure differential P [MPa] Graph (2) Flow rate characteristics Example 1) Obtain the pressure difference when water [15 L/min] runs through the solenoid valve with a Kv = 1.5 m3/h.
Clausings factor 8 Exhaust Time (Low/Medium Vacuum) K The time (t) required to exhaust a chamber at low vacuum with volume V (L), from pressure P1 to P2, using a pump with pumping speed S (L/sec) is t=2.3(V/S)log(P1/P2). In high vacuum, this is subject to the ultimate pressure limit imposed by outgassing and leakage as characterized above.
Normally closed Normally open Double acting VNB0 VNB02 VNB03 7.7 7.8 1 4 40 12 (P1) 10 (P2) 12 (P1) 6.3 6.4 2 Air operated 11.4 11.5 50 1 2 1 2 1 2 Note) The flange should be JIS B 2210 10K (ordinary type) or its equivalent. 10 (P2) Specifications VNB1 VNB12 1 4 Fluid Water/Oil/Air/Vacuum, etc. 5 to 60C Note 1) VNBA, VNB1 Fluid temperature B C 12 (P1) 12 (P1) 5 to 99C Note 1) (Water, Oil
Caution Pilot port piping 12(P1) and 10(P2) piping should be as follows according to the model. 2. Do not warm the coil assembly with a heat insulator, etc. Use tape, heaters, etc., for freeze prevention on the piping and body only. They can cause the coil to burn out. Air operated Solenoid Port VNC0 1 4 VNC02 VNC1 1 2 4 12 (P1) External pilot Bleed port External pilot 3.
External Pilot Adiabatic Space Caution Caution Pilot port 12(P1) and 10(P2) piping P1 and P2 piping should be as follows according to the model. There is a space between body and cover (: approximate 1 mm) for adiabatic effect.
) 10 (P2) 12 (P1) Allowable voltage fluctuation SGC 50C or less (When rated voltage is applied.)
Example: The figure below is based on the condition of set values as P1 = 40 [kPa] and P2 = 20 [kPa].
/D1/L1 Series When connecting to a JXCE1/91/P1/D1/L1 series product, use a conversion cable (P5062-5) as a relay.
Pilot port P1 and P2 piping Please arrange P1 and P2 piping as follows according to the model.
VE How to Order Flow Characteristics VY1 12 AF 00 8 127 R Pressure drop (MPa) G P1 = 0.3 MPa P1 = 0.3 MPa Option P1 = 0.5 MPa P1 = 0.7 MPa P1 1 = 0.5 MP = 0.5 MPa P1 = 0.7 MP = 0.7 MPa P1 = 0.1 MPa P1 1 = 0.1 MPa Air filter PPA Drain cock thread piping {Rc 1/4} Drain guide D Body size 4 J R 8 9 1 2 1 2 AL Flow direction: From Right Left Auto-drain specifications Option Flow rate (/min (ANR
Vacuum ejector series ZA is compact and lightweight, making it ideal for pick and place operations, and suitable to all industries.? Due to the compact design of the ZA, it is possible to install on moving parts.? The shortened tube length to pad improves response time.? The ZA is available as a single unit or manifold type, with or without pressure sensors?and suction filters.? Compact