Body Size: 30, Thread: NPT, Port Size: 1/4, Option: D + M, Attachment: T + V, Semi-Standard 1: Metal Bowl, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F

Body Size: 30, Thread: NPT, Port Size: 1/4, Option: N.O. Float Type Auto Drain, Attachment: S + V, Semi-Standard 1: Metal Bowl, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F

Body Size: 30, Thread: NPT, Port Size: 3/8, Option: C + M, Attachment: S + V1, Semi-Standard 1: Metal Bowl, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F

Body Size: 30, Thread: NPT, Port Size: 3/8, Option: N.C. Float Type Auto Drain, Attachment: S + V1, Semi-Standard 1: Metal Bowl, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F

Body Size: 30, Thread: NPT, Port Size: 3/8, Option: Standard, Attachment: Pressure Switch, Semi-Standard 1: Metal Bowl, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F

Body Size: 30, Thread: NPT, Port Size: 3/8, Option: C + G, Attachment: S + V, Semi-Standard 1: Metal Bowl, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F

Body Size: 30, Thread: NPT, Port Size: 3/8, Option: Round Type Pressure Gauge w/Limit Indicator, Attachment: Pressure Switch, Semi-Standard 1: Metal Bowl, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F

Body Size: 30, Thread: NPT, Port Size: 3/8, Option: Round Type Pressure Gauge w/Limit Indicator, Attachment: 3-Port Valve for Residual Pressure Release; Mounting: V+AF+AR, Semi-Standard 1: Metal Bowl, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F

: 1, Case Material: [Metal] Metal, Case Guard: Presence, Exhaust Structure: Relief type, Flow Direction: [Standard Flow (Left to Right)] Left to right, Drain Cock: [Not Provided] No, Pressure Gauge: No (No Pressure Port Plug), Size of Body: 30, Check Valve: None, Pressure Switch: None, Residual Pressure Relief 3-Port Connection Valve: None, Set Pressure: 0.05 to 0.7 MPa, Drain Outlet: N/A,

(Normally Open) at non-pressurized with drain emissions, Pressure Gauge: No (No Pressure Port Plug), Size of Body: 30, Check Valve: None, Pressure Switch: None, Residual Pressure Relief 3-Port Connection Valve: Yes, Set Pressure: 0.05 to 0.7 MPa, Drain Outlet: N/A, Lubricator Oil Discharge Outlet: Without drain cock, Pressure Unit: Name plate, bowl caution plate and pressure gauge units:

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A S A N E X A M P L E : A C C O R D I N G T O I S O , T H E R E I S N O D I F F E R E N C E I N S Y M B O L B E T W E E N A C O N V E N T I O N A L D O U B L E A C T I N G C Y L I N D E R A N D A T W I N B O D C Y L I N D E R , A L T H O U G H S O M E M A N U F A C T U R E R S H A V E I N T R O D U C E D T H E I R O W N S Y M B O L S F O F C L A R I F I C A T I O N .

SMC Basic Pneumatics

A S A N E X A M P L E : A C C O R D I N G T O I S O , T H E R E I S N O D I F F E R E N C E I N S Y M B O L B E T W E E N A C O N V E N T I O N A L D O U B L E A C T I N G C Y L I N D E R A N D A T W I N B O D C Y L I N D E R , A L T H O U G H S O M E M A N U F A C T U R E R S H A V E I N T R O D U C E D T H E I R O W N S Y M B O L S F O F C L A R I F I C A T I O N .

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: C (N.C. Float Type Auto Drain), Attachment: V1 (3-Port Valve for Residual Pressure Release; Mounting: V+AF+AR), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: C (N.C. Float Type Auto Drain), Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: C (N.C. Float Type Auto Drain), Attachment: V1 (3-Port Valve for Residual Pressure Release; Mounting: V+AF+AR), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: C (N.C. Float Type Auto Drain), Attachment: SV1 (S + V1), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

(Normally Closed) at non-pressurized without drain emissions, Pressure Gauge: No (No Pressure Port Plug), Size of Body: 20, Check Valve: None, Pressure Switch: Yes, Residual Pressure Relief 3-Port Connection Valve: Yes, Set Pressure: 0.05 to 0.7 MPa, Drain Outlet: N/A, Lubricator Oil Discharge Outlet: Without drain cock, Pressure Unit: Name plate, bowl caution plate and pressure gauge units

Body Size: 20, Thread: NPT, Port Size: 1/4, Option: N.C. Float Type Auto Drain, Attachment: T + V, Semi-Standard 1: Metal Bowl, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F

Body Size: 20, Thread: NPT, Port Size: 1/4, Option: N.C. Float Type Auto Drain, Attachment: 3-Port Valve for Residual Pressure Release, Semi-Standard 1: Metal Bowl, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F

Body Size: 25, Thread: NPT, Port Size: 1/4, Option: N.C. Float Type Auto Drain, Attachment: T-Interface, Semi-Standard 1: Metal Bowl, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F