PI73-SS pressure intensifier (subsea) model selection . . . Marshalsea Hydraulics

Version without vent valveVersion with pilot-operated vent valve

The required ratio = required high pressure / inlet pumped or regulated pressure. Available ratios can be selected from the tables below.

Options without Vent Valve

Intensifier ratio	Maximum Inlet pressure (bar)	Maximum HP output pressure (bar)	Inlet/Exh Port	HP output port	HP swept volume (cc)	Part number	Supercedes Type
2:1	420	840	1/4 BSP Female	3/8" MP Female	36.37	PI73-02001-00-02-05-SS-NIT-0420	11400-02-01-23
2.5:1	420	1050	1/4 BSP Female	3/8" MP Female	26	PI73-02501-00-02-05-SS-NIT-0420	11400-02.5-01-23
3:1	420	1260	1/4" BSP Female	3/8" MP Female	24.22	PI73-03001-00-02-05-SS-NIT-0420	11400-03-01-23
4:1	345	1380	1/4" BSP Female	3/8" MP Female	18.17	PI73-04001-00-02-05-SS-NIT-0345	11400-04-01-23
5:1	276	1380	1/4" BSP Female	3/8" MP Female	14.54	PI73-05001-00-02-05-SS-NIT-0276	11400-05-01-23
6:1	230	1380	1/4" BSP Female	3/8" MP Female	12.11	PI73-06001-00-02-05-SS-NIT-0230	11400-06-01-23
7:1	197	1380	1/4" BSP Female	3/8" MP Female	10.36	PI73-07001-00-02-05-SS-NIT-0197	11400-07-01-23

Options with Vent Valve

Intensifier ratio	Maximum Inlet pressure (bar)	Maximum HP output pressure (bar)	Inlet/Exh Port	HP output port	HP swept volume (cc)	Part number	Supercedes Type
2:1	420	882	1/4 BSP Female	3/8" MP Female	36.37	PI73-02001-02-02-05-SS-NIT-0420	11400-02-02-23
2.5:1	420	1050	1/4 BSP Female	3/8" MP Female	26	PI73-02501-02-02-05-SS-NIT-0420	11400-02.5-02-23
3:1	420	1260	1/4" BSP Female	3/8" MP Female	24.22	PI73-03001-02-02-05-SS-NIT-0420	11400-03-02-23
4:1	345	1380	1/4" BSP Female	3/8" MP Female	18.17	PI73-04001-02-02-05-SS-NIT-0345	11400-04-02-23
5:1	276	1380	1/4" BSP Female	3/8" MP Female	14.54	PI73-05001-02-02-05-SS-NIT-0276	11400-05-02-23
6:1	230	1380	1/4" BSP Female	3/8" MP Female	12.11	PI73-06001-02-02-05-SS-NIT-0230	11400-06-02-23
7:1	197	1380	1/4" BSP Female	3/8" MP Female	10.36	PI73-07001-02-02-05-SS-NIT-0197	11400-07-02-23

Part Numbering System

PI73

= Pressure Intensifier 73cc LP piston swept volume

Model

02001

= 2.00:1

Ratio

02501

= 2.50:1

07001

= 7.00:1

= No vent Valve

Vent Valve Option

= 15/16" dia Vent valve to Supply

Other options available on request

= 1/4" NPT Female

Inlet and Exhaust
Ports

= 1/4" BSP Female

Other options available on request

= 1/4" NPT Female (Rated to 800 bar)

HP Outlet
Connection

= 1/4" BSP Female (Rated to 700 bar)

= 3/8" MP Female

Other options available on request

= Subsea Installation

Target Location

NIT

= Nitrile seals -20°C to +80°C

Vent Valve Option

VIT

= Viton seals -10°C to +80°C

Other options available on request

0400

= 400 bar

Maximum Working
Pressure LP Side

420 bar maximum

PI73

02001

NIT

0400

Ordering Example

MARSHALSEA HOME

PUMPS, MOTOR PUMP UNITS

PRESSURE INTENSIFIERS

VALVES

GENERAL

SUBSEA PRESSURE INTENSIFIERS

Version without vent valveVersion with pilot-operated vent valve

Options without Vent Valve

Options with Vent Valve

Part Numbering System