Pad Diameter: ø40, Pad Type: HB (Heavy-duty, Bellows), Pad Material: U (Urethane Rubber), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 25, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A18 (M18 x 1.5)

Pad Diameter: ø80, Pad Type: HB (Heavy-duty, Bellows), Pad Material: U (Urethane Rubber), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 25, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A18 (M18 x 1.5)

Pad Diameter: ø63, Pad Type: HB (Heavy-duty, Bellows), Pad Material: U (Urethane Rubber), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 25mm, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A18 (M18 X 1.5)

Pad Diameter: ø80, Pad Type: HB (Heavy-duty, Bellows), Pad Material: S (Silicone Rubber), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 75mm, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A18 (M18 X 1.5)

Pad Diameter: ø100, Pad Type: HB (Heavy-duty, Bellows), Pad Material: S (Silicone Rubber), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 25mm, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A22 (M22 x 1.5)

Pad Diameter: ø125, Pad Type: HB (Heavy-duty, Bellows), Pad Material: S (Silicone Rubber), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 100mm, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A22 (M22 x 1.5)

The ZSE20A(F) series is a high-precision digital pressure switch offering many popular ZSE features, with a streamlined selection of piping choices.  Compared to the ZSE20, the ZSE20AF adds a 2nd switch output, as well as an analog output, either voltage or current.  ZSE20A is vacuum rated, while the ZSE20AF is rated for vacuum and a low positive pressure range. 

The ZSE20A(F) series is a high-precision digital pressure switch offering many popular ZSE features, with a streamlined selection of piping choices.  Compared to the ZSE20, the ZSE20AF adds a 2nd switch output, as well as an analog output, either voltage or current.  ZSE20A is vacuum rated, while the ZSE20AF is rated for vacuum and a low positive pressure range. 

The ZSE20A(F) series is a high-precision digital pressure switch offering many popular ZSE features, with a streamlined selection of piping choices.  Compared to the ZSE20, the ZSE20AF adds a 2nd switch output, as well as an analog output, either voltage or current.  ZSE20A is vacuum rated, while the ZSE20AF is rated for vacuum and a low positive pressure range. 

Pad Diameter: 50 (Flat+Flat with Ribs+Bellows+Compact+Compact with Ribs), Pad Styles: U (Flat Style), Material: N (NBR), Rotating or Non-rotating: J (Rotating), Stroke: 10mm, Vacuum Entry: N01 (NPT 1/8), Mounting Thread: A14 (M14X1)

Pad Diameter: 50 (Flat+Flat with Ribs+Bellows+Compact+Compact with Ribs), Pad Styles: U (Flat Style), Material: N (NBR), Rotating or Non-rotating: J (Rotating), Stroke: 30mm, Vacuum Entry: N01 (NPT 1/8), Mounting Thread: A14 (M14X1)

Pad Diameter: 50 (Flat+Flat with Ribs+Bellows+Compact+Compact with Ribs), Pad Styles: B (Bellows), Material: F (Fluoro Rubber), Rotating or Non-rotating: J (Rotating), Stroke: 50mm, Vacuum Entry: N01 (NPT 1/8), Mounting Thread: A14 (M14X1)

Pad Diameter: 50 (Flat+Flat with Ribs+Bellows+Compact+Compact with Ribs), Pad Styles: B (Bellows), Material: U (Urethane Rubber), Rotating or Non-rotating: J (Rotating), Stroke: 20mm, Vacuum Entry: N01 (NPT 1/8), Mounting Thread: A14 (M14X1)

Pad Diameter: ø125, Pad Type: H (Heavy-duty, Flat w/Rib), Pad Material: N (NBR), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 100, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A22 (M22 x 1.5)

Pad Diameter: ø40, Pad Type: H (Heavy-duty, Flat w/Rib), Pad Material: N (NBR), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 25, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A18 (M18 x 1.5)

Pad Diameter: ø50, Pad Type: H (Heavy-duty, Flat w/Rib), Pad Material: N (NBR), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 25, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A18 (M18 x 1.5)

Pad Diameter: ø40, Pad Type: H (Heavy-duty, Flat w/Rib), Pad Material: N (NBR), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 75, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A18 (M18 x 1.5)

Pad Diameter: ø80, Pad Type: H (Heavy-duty, Flat w/Rib), Pad Material: N (NBR), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 25, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A18 (M18 x 1.5)

Pad Diameter: ø80, Pad Type: H (Heavy-duty, Flat w/Rib), Pad Material: N (NBR), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 50, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A18 (M18 x 1.5)

Pad Diameter: ø100, Pad Type: H (Heavy-duty, Flat w/Rib), Pad Material: N (NBR), Buffer Body Material: J (Aluminum Alloy), Buffer Stroke: 25, Vacuum Inlet Thread Size: N01 (NPT1/8), Mounting Thread Size: A22 (M22 x 1.5)