Body Size: 50, Thread: N (NPT), Port Size: 06 (3/4), Handle/Bonnet Material: A (Flame Resistant PBT), Options: None, Semi-Standard: KZ (K + Z)

Regulator Unit Combination: [Other FRL Combination Devices] Other FRL Combination Device, Port Size: NPT3/4, Compressed Air Quality: General Dry Air, Maximum Operating Pressure(MPa): 1, Case Material: [Resin] Polycarbonate Case, Case Guard: Presence, Exhaust Structure: Relief type, Flow Direction: [Standard Flow (Left to Right)] Left to right, Drain Cock: [Not Provided] No, Pressure Gauge

60

H S U P EXH. H S EXH. U H S P U P G H F SUP. SUP.

Modular Design with Uniform Body Style

(The SI unit type is provided for use in Japan.) *3 v: For the pipe thread type: NPT only *4 The VHS50 can be connected to the AC60.

Modular F.R.L. Unit

Nil None AC20: 1/8 AC25: 1/4 AC30: 1/4 AC40: 3/8 AF + AR + [K] + AL AC20 to 40 K Check valve AW + [K] + AL AC20A to 40A AF + AR + [S] + AL AC20 to 60 Port size AW + [S] + AL AC20A to 40A S Body size Port size Pressure switch AF + [S] + AR AC20B to 60B Symbol 10 20 25 30 40 50 55 60 AF + AFM + [S] + AR AC20C to 40C M5 01 02 03 04 06 10 M5 1/8 1/4 3/8 1/2 3/4 1 AW + [S] + AFM AC20D to 40D

VM

(mm) Model Bracket mounting dimensions Weight (g) S Bracket assembly no.

2

03(S)A 5/32" 8.2 AS221F-02-07(S)A 1/4" 11.2 23.4 32.7 (32.8) 19 (19) AS221F-02-09(S)A 5/16" 13.2 23.9 33.2 (33.3) 14.2 19 (20) AS221F-02-11(S)A 3/8" 15.5 26.4 35.7 (35.8) 15.6 20 (21) AS321F-02-07(S)A 1/4" 1/4 19 11.2 16.6 21.8 32.1 36.4 50 48.4 44.5 42.9 13.3 40 (40) AS321F-02-09(S)A 5/16" 13.2 22.7 33 14.2 41 (41) AS321F-02-11(S)A 3/8" 15.5 26.7 37 35.9 15.6 AS321F-03-07(S)A 1/4" 3/8 19

Table of Contents

AL SMC SMC SMC SMC SMC SMC 0.1 0.3 0.2 0.4 0.5 0.6 IS1000 MPa SMC SMC SMC K K K P P P C C C U U U O O O SMC SMC SMC SMC S S S L L L H H H MADE IN JAPAN K K K P P P C C C U U U O O O S S S L L L H H H Mixed manifold Mixed manifold Front handle/Bottom ported Front handle/Top ported Common exhaust type and individual exhaust type can be mounted on the same manifold base.

Best Pneumatics Vol. 14

Applicable model Attachment mounting position Description Symbol Nil None VY1 AC20: 1/8 AC25: 1/4 AC30: 1/4 AC40: 3/8 AF + AR + [K] + AL AC20 to 40 K Check valve G AW + [K] + AL AC20A to 40A AF + AR + [S] + AL AC20 to 60 Port size PPA AW + [S] + AL AC20A to 40A Pressure switch Body size Port size S AF + [S] + AR AC20B to 60B Symbol 10 20 25 30 40 50 55 60 AL AF + AFM + [S] + AR AC20C to

Modular F.R.L. Units

Lock button 12 B AC10-A Series AC20-B to AC60-B Series Dimensions AC10-A S N A F M J R B C V Q2 Q1 Q1 IN OUT 2 x P1 (Port size) U P2 G Clearance for maintenance (Pressure gauge port size) Drain AC20-B S N A F M J R B C Q2 V Q1 Q1 K IN OUT 2 x P1 (Port size) U P2 G Clearance for maintenance (Pressure gauge port size) Drain AC25-B to AC60-B N A F S J M R V Q1 Q1 B C K OUT IN 2 x P1 (Port size

Modular F.R.L. Unit

Description Symbol Nil None AC20: 1/8 AC25: 1/4 AC30: 1/4 AC40: 3/8 AF + AR + [K] + AL AC20 to 40 K Check valve AW + [K] + AL AC20A to 40A AF + AR + [S] + AL AC20 to 60 Port size AW + [S] + AL AC20A to 40A S Body size Port size Pressure switch AF + [S] + AR AC20B to 60B Symbol 10 20 25 30 40 50 55 60 AF + AFM + [S] + AR AC20C to 40C M5 01 02 03 04 06 10 M5 1/8 1/4 3/8 1/2 3/4 1 AW + [S]

Conforming to OSHA Standard Pressure Relief 3 Port Valve With Locking Holes Series VHS20/30/40/50

Pressure relief 3 port valve VHS20 VHS30 VHS40 VHS40-06 VHS50 IN OUT Spacer part no.

Body Size: 50, Thread: NPT, Port Size: 3/4, Handle/Bonnet Material: Flame Resistant PBT, Options: None, Semi-Standard: K + Z, Made to Order: Body: Red

Body Size: 50, Thread: N (NPT), Port Size: 06 (3/4), Handle/Bonnet Material: A (Flame Resistant PBT), Options: None, Semi-Standard: KZ (K + Z), Made to Order: X1 (Body: Red)

VHS20/30/40/50

U S Can be locked with a padlock in the exhaust condition. E C Padlock mounting position C D D 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-www.stevenengineering.com SUP SUP . A OUT IN A OUT IN 1 2 B 3 B EXH. EXH.

Pressure Relief 3 Port Valve with Locking Holes VHS20/30/40/50

U S Can be locked with a padlock in the exhaust condition. E C Padlock mounting position C D D SUP SUP. A OUT IN A OUT IN 1 2 3 B B EXH. EXH. H 28 30 36 44 54 G 33 42 44 50 61 F 45 55 58 65 76 E 22 21 26 D 34 46 63 67 78 C 40 53 70 75 90 B 20 29 39 42 53 A 59 78 107 110 134 I 45 55 63 69 81 Model Piping port VHS20 VHS30 VHS40 VHS40-06 VHS50 1/8, 1/4 1/4, 3/8 1/4, 3/8, 1/2 3/4 3/4, 1 3

AIR COMBINATION

OutputNPN output / Electrical entryWiring bottom entry Digital OutputNPN output / Electrical entryWiring top entry pressure OutputPNP output / Electrical entryWiring bottom entry switch OutputPNP output / Electrical entryWiring top entry Nil Without attachment c Check valve Mounting positionAF+AR+K+AL Note7) Nil Without attachment d Pressure switch Attachment Mounting positionAF+AR+S+

Body Size: 50, Thread: N (NPT), Port Size: 06 (3/4), Handle/Bonnet Material: A (Flame Resistant PBT), Options: S (Built-in Silencer, EXH Port), Semi-Standard: RZ (Flow Direction: Right to Left + psi as Unit Displayed on Label)

Body Size: 50, Thread: NPT, Port Size: 3/4, Handle/Bonnet Material: Flame Resistant PBT, Options: Built-in Silencer, EXH Port, Semi-Standard: Flow Direction: Right to Left + psi as Unit Displayed on Label, Made to Order: -

Regulator Unit Combination: [Other FRL Combination Devices] Other FRL Combination Device, Port Size: NPT3/4, Compressed Air Quality: General Dry Air, Maximum Operating Pressure(MPa): 1, Case Material: [Resin] Polycarbonate Case, Case Guard: Presence, Exhaust Structure: Relief type, Flow Direction: [Standard Flow (Left to Right)] Left to right, Drain Cock: [Not Provided] No, Pressure Gauge