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Subsea Pressure Regulators

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Pressure Tech SS691 Piston-Sensed Hydraulic Pressure Regulator for Subsea Applications

SS691

Pressure Regulator for Subsea Applications: Liquid / Piston / Non- or Self-Venting / Max. Inlet: 1,034 bar (15,000 psi) / Max. Outlet: 690 bar (10,000 psi) / Cv 0.1
* Basic Model
SS691
SS691
* Cv Value
0.05
0.05
0.1
0.3
* Body Material
AISI 316/316L Stainless Steel
AISI 316/316L Stainless Steel
* Outlet Range
Up to 50 bar (725 psi) - Spring/external pressure
Up to 50 bar (725 psi) - Spring/external pressure
Up to 50 bar (725 psi) - Spring/chamber pressure
Up to 100 bar (1,450 psi) - Spring/external pressure
Up to 100 bar (1,450 psi) - Spring/chamber pressure
Up to 200 bar (2,900 psi) - Spring/external pressure
Up to 200 bar (2,900 psi) - Spring/chamber pressure
Up to 414 bar (6,000 psi) - Spring/external pressure
Up to 414 bar (6,000 psi) - Spring/chamber pressure
Up to 690 bar (10,000 psi) - Spring/external pressure
Up to 690 bar (10,000 psi) - Spring/chamber pressure
* O Ring
EPDM
EPDM
NBR
FPM/FKM
* Inlet / Outlet Connections
3/8" Medium Pressure
3/8" Medium Pressure
* Venting Options
Non-Venting
Non-Venting
Self-Venting
Part Order Number:
checkSS691 - 05 - S - 50SR - E - 03A - N - NV
Pressure Tech SS691 Piston-Sensed Hydraulic Pressure Regulator for Subsea Applications
 
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Overview
INTRODUCING THE SS691...
The SS691 is a piston-sensed low-flow subsea pressure regulator with ceramic seating for water-based hydraulic oil applications and systems. With the balanced main valve option it can provide stable control under varying inlet pressures and cope with higher flow rates.

Operating at depths of up to 3,000 metres (10,000ft), the SS690 uses either the external seawater pressure as a reference or works within a sealed chamber to remain completely unaffected by outside conditions.
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