Low Maintenance Filter Series FN1

q A (43) OUT IN e e 150 r B t 120 327 188 (519) w w 84 OUT 2-R 1 r IN 53 DRAIN G 1/4 Note Parts list Dimensions (mm) A B No.

Series VC, Series VCB, Direct Operated 2 Port Solenoid Valve for Heated Water

Approx. 300 F D Approx. 280 D Q F C G1/2 C R R E E B A H 2-P Port size 2-P A 2-M Thread depth N B H Port size 2-M Thread depth N L L K K Conduit terminal: T F (Q) 34 25 U R C G1/2 E B A H D 2-P Port size (S) 2-M Thread depth N L K (mm) Electrical entry P Port size Model Grommet: G Conduit: C Conduit terminal: T M L K H F E D C B N A U S R Q R Q R Q M4 12.8 14 28 12.5 6.5 31 64 28 4.5 13.5

Diaphragm Style Flow Switch Series IFW5 For details about certified products conforming to international standards, visit us at www.smcworld.com. 1

N.O. q IFW50--75/76 e Color of lead wire Black Symbol Contact q w Power supply (Common) w Red Terminal (Relay terminal) 24 VDC Gray e Power supply (Light terminal) N.O. N.C. q IFW50--85/86 e Color of lead wire Black Symbol Contact q w Power supply (Common) White Terminal (Relay terminal) w 24 VDC Gray e Power supply (Light terminal) N.C. N.O.

VCB

-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com VX3 L L VXA K VN K Conduit terminal: T LVC LVA F (Q) 34 LVH LVD LVQ 25 U LQ R C LVN G1/2 TI/ TIL E B A H D 2-P Port size (S) PA 2-M Thread depth N PAX L PB K (mm) Electrical entry P Port size B C A D E F H K L M N Grommet:G Conduit:C Conduit terminal:T Model Q R Q R Q R S U 13.5 28 64 1/8 31 6.5

VCB

Approx. 300 F D Approx. 280 D Q F C G1/2 C R R E E B A H 2-P Port size 2-P A 2-M Thread depth N B H Port size 2-M Thread depth N L L K K Conduit terminal: T F (Q) 34 25 U R C G1/2 E B A H D 2-P Port size (S) 2-M Thread depth N L K (mm) Electrical entry P Port size Model Grommet: G Conduit: C Conduit terminal: T M L K H F E D C B N A U S R Q R Q R Q M4 12.8 14 28 12.5 6.5 31 64 28 4.5 13.5

VQC

How to Find the Flow Rate (at air temperature of 20C) Subsonic flow when P1 + 0.1013 < 1.89 (P2 + 0.1013) Q = 226S P(P2 + 0.1013) Sonic flow when P1 + 0.1013 1.89 (P2 + 0.1013) Q = 113S (P1 + 0.1013) Q: Air flow rate [l/min (ANR)] S: Effective area [mm] P: Pressure drop rate (P1P2) [MPa] P1: Upstream pressure [MPa] P2: Downstream pressure [MPa] Correction for different air temperatures

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