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Kvadrat 2 UBS

UBS Control Valve

The UBS series from Carraro are spring-loaded, direct-operated pressure relief valves designed to protect downstream systems from overpressure by regulating inlet pressure. They can also function as backpressure regulators due to their effective throttling characteristics. 

This series of valves gives you:

  • Easy installation and maintenance
  • Protection against overpressure
  • Can act as backpressure regulators
  • Compact and durable design
  • Suitability for rugged applications.

For sales or commercial inquiries please contact us at marine@insatech.com.

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UBS Series: Versatile, Durable Pressure Relief and Backpressure Valves

The UBS series consists of spring-loaded, direct-operated pressure relief valves specifically designed to safeguard downstream systems from overpressure by regulating the inlet pressure.

These valves are highly versatile, as they can also serve as backpressure regulators due to their excellent throttling capabilities.

The UBS valves are available in body sizes ranging from ½ inch to 2 inches (DN15 to DN50), thus offering flexibility for a wide range of applications.

Built with a compact and robust design, these valves are engineered to endure harsh and demanding environments.

Additionally, their construction ensures easy installation and maintenance, making them a reliable and convenient choice for pressure management in various systems.

UBS 1 Carraro 1024 16X9

Key Features of UBS Control Valves

The valves from the UBS series has several benefits. See some of them listed below:

  • Flow-to-close mechanism
  • Available with ISA-standard face-to-face dimensions
  • 5 to 9 CV options per size for precise regulation
  • Metal or soft seat (leakage levels II to VI per Carraro Technical Instruction based on ANSI/FCI 70-3)
  • Internal pressure sensing, external available if needed
  • Packingless design (with internal pressure sensing only)
  • Multiple actuator options for different regulation ranges
  • Variety of elastomer or AISI 316 diaphragms available
  • Fully sealed design available (suitable for hazardous media, ATEX compliant).

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Solutions for Diverse Industries

The UBS control valves play a critical role in various sectors ensuring precise flow and pressure management in a range of applications such as:

  • Air & process gases
  • Liquids
  • Steam.

The various industries which the valves are suitable includes, but is not excluded to:

  • Marine
  • Oil & gas
  • General industry
  • Blanketing systems
  • Power.

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Specialized Configurations to Meet Your Needs

The UBS control valves are offered in specialized configurations to meet various application needs.

They are available in exotic materials, such as duplex, superduplex, alloy steel, monel, and inconel, with short lead times to meet specific application needs.

Differential versions, equipped with either single or double diaphragms, are designed for situations where it is essential to control and maintain a constant pressure difference between two points.

Additionally, a vacuum breaker option is offered for applications requiring pressure relief in vacuum systems.

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Parts for the UBS Series

The UBS valves series has several parts, we have listed them below (and see the drawing):

1 - Blindhead
2 - (a-b) Gaskets set (*)
3 - Body
4 - Guide
5 - Actuator diaphragm case
6 - Ball
7 - Diaphragm plate (Upper)
8 - Diaphragm (*)
9 - Protecion (if requested) + O-ring (*)
10 - Spring case
11 - Spring
12 - Adjusing screw
13 - Adjusing screw locknut
14 - Spring buton (Upper)
15 - Nut
16 - Spring buton (Lower)
17 - Screw
18 - Nut
19 - Litle plate
20 - Screw
21 - Guide
22 - Plug
23 - Ring
24 - Disc (*)
25 - Seat

* All the parts marked with the start is recommended spare parts.

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Spare Parts Kits Available for the UBS Series

There is two spare parts kit avaiable for the UBS series control valves.

The 2 Years spare part kit, which include:

  • Gasket Kit (3 pcs)
  • Plug disc
  • Diaphragm kit (Diaphragm + o-ring)

The 5 Years spare part kit, which include:

  • Gasket Kit (3 pcs)
  • Plug
  • Plug disc
  • Diaphragm kit (Diaphragm + o-ring)

The 2 year spare part kit is pictured here.

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169 2 UBS
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169 2 UBS
UBS 1 Carraro 1024 16X9
UBS Threaded Carraro 1024 16X9
UBS Bronze Carraro 1024 16X9
UBS Dimensions Carraro 1024 16X9
UBS Parts Carraro 1024 16X9
Insatech Medarbejdere Website MSR
For technical questions

Martin Søvind Jensen

Tel: +45 2761 4502

Email: Martin.Sovind@insatech.com

Write to Martin

Insatech Medarbejdere Website ASMI
For commercial inquiries

Astrid Mihut

Tel.: +45 5537 2095

Email: Marine@insatech.com

 

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Technical Specifications
Function

Pressure relief / back pressure valve
Size

1/2 "to 2"
Connection
  • Thread: (F-NPT or GAS / BS)
  • Flanges: (ANSI or PN)
Seat

Single
Pressue step

Max ANSI 600, PN 16-63
CV

From 0.031 to 35
Valve body

Steel, stainless steel and other "exotic" materials
Trim

Stainless steel (standard) and other "exotic" materials
Membrane

Neoprene, EPDM, FKM, stainless steel etc.
Input pressure

52 bar(g)
Pressure control range

0.0012 - 52 bar(g)
Temperature
  • Min: -196 °C
  • Max: 300 °C

Product specifications and manuals

  • Brochure - UBS Control Valve - Carraro
    English | pdf
  • Manual - UBS Control Valve - Carraro
    English | pdf

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