8 4.1 4.5 4.7 4.1 4.5 4.7 4.1 4.1 4.1 3.5 4.1 4.1 3.8 4.1 4.3 Single 1 2 3 4 VFS5100 VFS5110 600 0.88 45 or less 2 position 3 position VFR 3 8 VP4 Double 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 VFS5200 VFS5210 600 1.06 25 or less Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200
8 1/2 3/4 1/8 1/4 1/4 Port size 3/4 1 1 G 1 1/4 3/8 3/8 PPA How to Order Refer to the next page.
8 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 1.77 (1.72) VFR510 VFR511 Single 5 60 or less 2 position 3 position 1.88 (1.83) VFR520 VFR521 Double 5 60 or less 1.87 (1.82) Closed center VFR530 VFR531 3 80 or less Exhaust center 1.87 (1.82) VFR540 VFR541 3 80 or less 1.87 (1.82) VFR551 Pressure center VFR550 3 80 or less Note 1) [ ]: Denotes the normal position.
-15 3.5.1 . 3-15 3.5.2 . 3-16 3.5.3 . 3-17 3.5.4 . 3-17 3.6 . 3-18 3.6.1 (SS1) . 3-18 3.6.2 . 3-19 3.6.3 . 3-20 3.6.4 EM2 . 3-20 3.7 . 3-21 3.7.1 . 3-21 3.7.2 . 3-22 3.8 . 3-23 3.8.1 . 3-23 3.8.2 . 3-24 3.8.3 . 3-26 1- 3.9 SSCNET . 3-27 3.10 . 3-29 3.10.1 . 3-29 3.10.2 . 3-30 3.11 . 3-34 4 41 4-18 4.1 . 42 4.1.1 . 42 4.1.2 . 43 4.1.3 . 45 4.2 . 45 4.3 . 47 4.3.1
8 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 1.77 (1.72) VFR510 VFR511 Single 5 60 or less 2 position 3 position 1.88 (1.83) VFR520 VFR521 Double 60 or less 5 1.87 (1.82) Closed center VFR530 VFR531 80 or less 3 Exhaust center 1.87 (1.82) VFR540 VFR541 3 80 or less 1.87 (1.82) VFR551 Pressure center VFR550 3 80 or less Note 1) [ ]: Denotes the normal position.
0.22 0.22 4.1 4.5 4.7 4.1 4.5 4.7 4.1 4.1 4.1 3.5 4.1 4.1 3.8 4.1 4.3 3.7 3.7 3.9 3.7 3.7 3.9 4.0 4.1 4.1 3.8 3.8 4.2 3.7 3.9 4.6 15 19 20 15 19 20 14 16 16 14 16 17 14 16 17 9.0 9.0 9.0 VFS5600 VFS5110 VFS5100 1 2 3 4 0.88 Single 600 45 or less 2 position 3 position 3 8 Double VFS5210 VFS5200 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 3 8 1 2 3 4 1.06 600 25 or less Closed center VFS5310
3 !4 !3 !4 !0 !0 o i !1 o !1 i Component Parts r r No.
(Float type normally close) ~ 0. 3 ,,-O Can be used with a compressor with capacity lower than 0.7Skw Q. ~--~--~~. Qi . .3 0.2k .
Description Material y Stainless steel 1301-002 1301-1202 1301-2502 1301-902 6 Pilot valve Stainless steel/NBR 1301207#1 1301207#1 u 7 Element Bronze 1301-5B 1301-5B !
IFW520 125 VAC 10 to 20 25 1.5 or less 5 5 1.5 0.7 4 4 2.5 1.3 IFW550 250 VAC 20 to 50 60 3 or less 5 5 1 0.5 4 4 1.5 0.8 Note) Hysteresis is the flow rate that is necessary for moving the microswitch from the operation position (ON signal) to the return position (OFF signal). 8 VDC 7 5 3 3 5 4 3 3 5 5 3 3 4 4 3 3 14 VDC 30 VDC 5 5 3 3 4 4 3 3 125 VDC 0.4 0.4 0.1 0.1 0.4 0.4 0.1 0.1 250 VDC
Male thread type Body size Port size R 1/8 R 1/4 R 3/8 R 1/4 R 3/8 R 1/2 R 3/8 R 1/2 R 3/4 Body size Port size R 1/8 R 1/4 R 3/8 R 1/4 R 3/8 R 1/2 R 3/8 R 1/2 R 3/4 Part no.
8 @5 @3 w !6 !5 !1 !2 !0 Actuators !3 !
R2) (R1)5 1 (P) 3(R2) e q w e w q VQ1201 VQ1200 2(B) (A)4 2(B) (A)4 (R1)5 1 (P) 3(R2) (R1)5 1 (P) 3(R2) r r e q w e q w VQ1301 VQ1401 VQ1300 VQ1400 2(B) (A)4 2(B) (A)4 2(B) (A)4 2(B) (A)4 (R1)5 1 (P) 3(R2) (R1)5 1 (P) 3(R2) (R1)5 1 (P) 3(R2) (R1)5 1 (P) 3(R2) VQ1501 VQ1500 r r 2(B) (A)4 2(B) (A)4 (R1)5 1 (P) 3(R2) (R1)5 1 (P) 3(R2) e q w VQ1A01 VQ1B01 4(A) 2(B) 2(B) 4(A) 5(R1) 1(P) 3(R2)
(R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) e q w e w q VQ1200 VQ1201 (B) 2 (A) 4 (B) 2 (A) 4 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) r r e q w e q w VQ1301 VQ1401 VQ1300 VQ1400 (B) 2 (A) 4 (B) 2 (A) 4 (B) 2 (A) 4 (B) 2 (A) 4 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) VQ1500 VQ1501 r r (B) 2 (A) 4 (B) 2 (A) 4 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) e q w VQ1A01
1021-VQ2400 1021-VQ2301 1021-VQ2401 (B) 2 (A) 4 (B) 2 (A) 4 (B) 2 (A) 4 (B) 2 (A) 4 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) r r 1021-VQ2500 1021-VQ2501 (B) 2 (A) 4 (B) 2 (A) 4 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) Component Parts Component Parts No.
1021-VQ2400 1021-VQ2301 1021-VQ2401 (B) 2 (A) 4 (B) 2 (A) 4 (B) 2 (A) 4 (B) 2 (A) 4 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) r r 1021-VQ2500 1021-VQ2501 (B) 2 (A) 4 (B) 2 (A) 4 3 (R2) 1 (P) 5 (R1) 3 (R2) 1 (P) 5 (R1) Component Parts Component Parts No.