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All Categories > Sequence Valves > Standard Flow Sequence Valves > 1018 Sequence Valves for Automatic Cascading > Item # 1018-400-B  
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Item # 1018-400-B, 1018 Sequence Valves for Automatic Cascading

List Price $324.00

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  • Sequence Valve for Automatic Cascading
  • 400 psi bias
  • Brass wetted surfaces


Series Designation

1018 Series


Sequence Valve

Special Features

Brass Wetted Surfaces

Inlet Port Size

1/4 in. MNPT

Outlet Port Size

1/4 in. FNPT

Control Port Size

Close control = 1/4 in. FNPT
Open control = 1/4 in. MNPT

Maximum Rated Pressure

6000 psi

Maximum Differential Pressure

6000 psi

Outlet Pressure Rating

6000 psi

Maximum Control or Dome Pressure

6000 psi

Flow Coefficient (Cv)

0.05 (equals 0.07 in. orifice)


Bubble Tight

Open Bias Pressure

7% greater pressure required on shut control relative to open control to actuate valve closed

Bias Pressure

400 psi

Minimum Temperature

-15 ºF

Internal Materials


Body Material

Anodized Aluminum
Brass for Wetted Surfaces

Seal Materials



710 g

Overall Length

7.25 Inch

Hex Diameter

1 3/8 Inch

Repair Kit/Service Items


Special Notes



Model 1018 Sequence/Priority Valve Operation & Maintenance Manual
(PDF, 14KB)

Technical Bulletin for 1018 Sequence Valves
(DOC, 230KB)

Use of Sequence Valve 1018 for Cascade Bank Filling
(DOC, 92KB)

Use of Sequence Valve 1018 to Priority Fill from Cascade Banks
(DOC, 101KB)

Use of Valves and Regulators with Oxygen Gas
(DOC, 145KB)

 Repair Kit for 1018 Series Sequence Valves 

Repair Kits
Repair Kit for 1018 Series

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