Hydraulic Pressure Regulators

HYD691

Low-Flow Hydraulic Pressure Regulator: Liquid / Piston / Ceramic Seat / Self- or Non-Venting / Max. Inlet: 690 bar (10,000 psi) / Max. Outlet: 690 bar (10,000 psi) / Cv 0.06

* Basic Model HYD691 HYD691	* Cv Value 0.06 0.06
* Body Material 316/316L Stainless Steel 316/316L Stainless Steel	* Outlet Range Up to 50 bar (725 psi) Up to 50 bar (725 psi) Up 100 bar (1,450 psi) Up to 200 bar (2,900 psi) Up to 414 bar (6,000 psi) Up to 690 bar (10,000 psi)
* O Ring NBR NBR FKM/FPM	* Inlet / Outlet Connections 1/4" NPT 1/4" NPT 3/8" MP 3/8" NPT 1/2" NPT
* Porting Configuration 11022000A 20001102A 10102000B 20001010B 10102010C 20101010C 22011010D 10102201D 22001010E 10102200E 20101000F 10002010F 10022000G 20001002G 10102020J 20201010J 10202020K 20201020K 10202000L 20001020L 11022201M 22011102M 10002000N 20001000N 11022020P 20201102P 11002001Q 20011100Q 11022001R 20011102R 11022010R3 20101102R3 22001000U 10002200U 22011000V 10002201V 00000000W 00000000W 10012000X 20001001X 11021020Y 10201102Y In Out Off
* Venting Options Non-Venting Non-Venting Self-Venting

Part Order Number:

HYD691 - 06 - S - 50S - N - 02N - A - NV

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For further information about this product, please contact:
	Phone: +44 (0)1457 899307 Email: sales@pressure-tech.com

VIEW ACCESSORIES

See example of accessories typically ordered with this product.

INTRODUCING THE HYD691...
The HYD691 is a low-flow hydraulic pressure regulator. Specifically targetting mineral oil applications, it has been designed as a compact and economical alternative to our LF690, yet still incorporates all of its key features including a ceramic seat. In comparison, the LF690 offers more extensive Cv options and caters for the harsh services encountered on water-based hydraulic applications such as water glycol.

Its ceramic ball has a ‘glass-like’ finish to provide a positive shut-off and is also fully supported to ensure fixed travel in the ‘Y’ axis. The HYD691 is self-relieving with a segregated captured vent as standard.

PLEASE CONTACT THE PRESSURE TECH OFFICE IF YOUR ORDER HAS ANY SPECIAL MODIFICATIONS OR REQUIREMENTS.

APPLICATIONS:
• Hydraulic oil subsea systems
• Subsea valve actuator control
• Valve test rigs
• Liquid sampling
• Hydraulic power packs

FEATURES:
• Ceramic seating design
• Segregated captured vent
• Compact design
• Main valve cartridge design

Max. Rated Inlet Pressure
Outlet Ranges
Design Proof Pressure
Seat Leakage
Weight

690 bar (10,000 psi)
Up to 690 bar (10,000 psi)
150% max. working pressure
In accordance with ANSI/FCI 70-3
2.6kg (5.7lbs)

Datasheets:	HYD691 (EN)
Technical Data:	HYD691 Manufacturer's Statement
Service Instructions:	HYD691 (EN)
Step File:	HYD691-06-S-414S-N-02N-N-SV
GA Drawing:	HYD691-06-S-414S-V-03N-N-SV
Other:	Image: HYD691 Flyer: HYD691 Pressure Regulator with Ceramic Seat

Accessories

PT-C-061-005-RING & PT-C-061-005-001-RING
Panel Mount Ring: Stainless Steel or Aluminium / Suitable for Bodies with 55mm Diameter / Used on BP-LF540, HYD691, LF540, LGC690, MF210 and MF301

Hydraulic Pressure Regulators

HYD691

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