Bore: 32mm, Port Thread: TN (NPT), Piping: Standard, Stroke: 500mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt)

Bore: 32mm, Port Thread: TN (NPT), Piping: Standard, Stroke: 200mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt)

Bore: 25mm, Port Thread: TN (NPT), Piping: Standard, Stroke: 600mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt), Auto Switch: M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, Lead Wire or Prewired Connector: L (3m)

Bore: 32mm, Port Thread: TF (G), Piping: Standard, Stroke: 900mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt)

Bore: 25mm, Port Thread: TN (NPT), Piping: Standard, Stroke: 400mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt)

Bore: 40mm, Port Thread: Rc, Piping: Standard, Stroke: 1000mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt), Auto Switch: M9P--Solid State, Gen. Purpose, 3 Wire PNP, Horizontal, Lead Wire or Prewired Connector: L (3m)

Bore: 25mm, Port Thread: Rc, Piping: Standard, Stroke: 300mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt)

Bore: 25mm, Port Thread: Rc, Piping: Standard, Stroke: 300mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt), Auto Switch: M9P--Solid State, Gen. Purpose, 3 Wire PNP, Horizontal, Lead Wire or Prewired Connector: SAPC (0.5m Cord Length, M8-3 Pin Connector), Number: S (1 pc.)

Bore: 25mm, Port Thread: Rc, Piping: Standard, Stroke: 800mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt), Auto Switch: M9P--Solid State, Gen. Purpose, 3 Wire PNP, Horizontal, Lead Wire or Prewired Connector: L (3m)

Bore: 25mm, Port Thread: Rc, Piping: Standard, Stroke: 800mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt)

Bore: 40mm, Port Thread: Rc, Piping: Standard, Stroke: 1000mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt)

Bore: 25mm, Port Thread: TN (NPT), Piping: Standard, Stroke: 1400mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt)

(e.g., when the leakage rate is 20 L/min (ANR), the vacuum pressure of a ZH10□SA is -20 kPa and the vacuum pressure of a ZH10□LA is about -32 kPa, so the L type has a higher vacuum pressure)
The ZH series catalog can be found here.

Bore Size: 25mm, Piping: Standard Type, Stroke: 400mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt), Option: Z

Bore Size: 25mm, Piping: Standard Type, Stroke: 400mm, Stroke Adjustment Unit: SA (Left: w/o Unit; Right: w/Adjustment Bolt), Option: Z, Auto Switch: M9N--Solid State, Gen. Purpose, 3 Wire NPN, Horizontal, Lead Wire or Prewired Connector: L (3m), Number: S (1 pc.)

57, Operating Speed(mm/s): 100～1000, Allowable Static Moment MA(N⋅m): 30, Allowable Static Moment MB(N⋅m): 15, Allowable Static Moment MC(N⋅m): 5, Connection Diameter: Rc1/8, Piping Format: Centralized piping type, Port Screw Type: Rc, Auto Switches: Without auto switch (built-in magnet), Lead Wire Length(m): None, Lead Wire Connector: None, The number of the switches: None, End Block: SA

42, Table Size Height H(mm): 54, Table Surface Treatment: [Anodize] Hard Anodize, Environment: General Purpose, Maximum Load(kg): 29, Piping Format: Standard type, Port Screw Type: Rc, Cushion: Air cushion, Specification: Magnet built-in, Auto Switches: None, Lead Wire Length(m): -, Lead Wire Connector: -, The number of the switches: -, Custom-made Specifications: 0.1 to 0.8, End Block: SA

(mm): 54, Table Surface Treatment: [Anodize] Hard Anodize, Environment: General Purpose, Maximum Load(kg): 29, Piping Format: Standard type, Port Screw Type: Rc, Cushion: Air cushion, Specification: Magnet built-in, Auto Switches: M9P, Lead Wire Length(m): 0.5, Lead Wire Connector: M8 3‑pin plug connector, The number of the switches: 1, Custom-made Specifications: 0.1 to 0.8, End Block: SA

42, Table Size Height H(mm): 54, Table Surface Treatment: [Anodize] Hard Anodize, Environment: General Purpose, Maximum Load(kg): 29, Piping Format: Standard type, Port Screw Type: Rc, Cushion: Air cushion, Specification: Magnet built-in, Auto Switches: M9P, Lead Wire Length(m): 5, Lead Wire Connector: -, The number of the switches: 2, Custom-made Specifications: 0.1 to 0.8, End Block: SA

42, Table Size Height H(mm): 54, Table Surface Treatment: [Anodize] Hard Anodize, Environment: General Purpose, Maximum Load(kg): 29, Piping Format: Standard type, Port Screw Type: Rc, Cushion: Air cushion, Specification: Magnet built-in, Auto Switches: None, Lead Wire Length(m): -, Lead Wire Connector: -, The number of the switches: -, Custom-made Specifications: 0.1 to 0.8, End Block: SA