The Consolidated Pressure Relief Valve has been a leader in the industry since 1879, offering over a century of experience in design, engineering and product manufacture. Consolidated offers a broad range of pressure relief valve solutions, providing reliable protection for plant personnel and equipment. Consolidated achieves this goal by offering the most efficient solution for any specific pressure relief valve application.

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Model 1700

Premium high pressure Safety Valve
ASME Code Section I and VIII
Installed in a majority of Power Generating Stations world wide
1-1/2” to 6” Flanged or Weld Neck design
ANSI Class 600 to 4500 PSI
Temperature Range -20°F to 1120°F
3% Blowdown
Alloy and Carbon Steel Body w/ Stainless Steel trim. Special alloys and trim are available
Thermodisc™ provides superior repeatable seat tightness

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Model 2700

Designed to meet the fast growing co-generation and waste to energy markets
ASME Code Section I and VIII
1-1/2” to 6” Flanged or Weld Neck design
ANSI Class 600, 900 & 1500
Temperature Range -20°F to 1050°F
Orifice Sizes 1-Q
Alloy and Carbon Steel Body w/ Stainless Steel trim. Special alloys and trim are available
4% Blowdown
Thermodisc™ provides superior repeatable seat tightness

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Model 1811

Cost effective high capacity flanged steel safety valve designed for steam service
ASME Code Section I and VIII
1/1/2” through 6”Flanged Body
ANSI Class 300 & 600
Orifice Sizes F-Q
Temperature Range -20°F to 1000°F
Alloy and Carbon Steel Body w/ Stainless Steel trim
4% Blowdown
Thermodisc™ provides superior repeatable seat tightness

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Model 1511

Cast iron safety valve for low pressure steam, steam heating boilers, and steam generators as well as air service applications.
ASME Code Section I and VIII
1/1/2” through 6”Flanged or Threaded Design
ANSI Class 250
Orifice Sizes H-Q
Temperature Range -20°F to 406°F
Brass Trim is Standard with Stainless Optional
Blowdown 4%

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Model 1541

Designed for steam and other compressible fluids
ASME Code Section I and VIII
3/4” through 2-1/2” Threaded Design
Orifice Sizes D-J
Pressure Range 5 to 350 PSI
Temperature Range -20°F to 420°F
Cast Iron Body with Brass Base and Trim. Bronze Bonnet is available and Stainless steel base and Disc are optional
Blowdown 4%

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Model 1900

Available in a wide range of options and features.
The standard rugged configuration is equipped with corrosion resistant trim, steel body and cap
Top guided for free and repeatable action.
Designed for easy maintenance
Bellows construction available for back pressure applications
Available in 150-2500 ANSI Class
Available in Inlet Sizes 1” to 12”
Wide range of materials for special applications

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Model 3900

Proven concepts and principles have been integrated into the design of the 3900MPV
Available in both Modulating and Pop Action Designs.
Meet API 526 capacity requirements.
Suitable for compressible or non-compressible fluids including steam
Useable for Gas and Liquid from 15 to 3750 PSI and Steam from 15 to 750 PSI
Temperature limits for Gas and Liquid are -40°F to 505°F and Steam up to 505°F
Sizes range from 1”150# to 1-1/2” 2500#, 3” and 4” up to 1500# and 6 and 8” up to 600#

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Model 2900 MPV

The 2900 MPV utilizes the same proven concepts and principles integrated into the design of the 3900MPV
Allows a conventional 1900 Spring design valve to be converted to a Pilot Operated Valve.
Available in both Modulating and Pop Action Designs
Features Seat Tightness to 98% of set pressure and a blowdown of only 2%
Installation of a heat exchanger increases maximum operating temperature of 1200°F

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Model 19000

General purpose portable relief valve for Air, Steam or Water.
Designed in accordance with ASME Section VIII.
Valve is normally supplied with  both male and female threaded inlet and outlet in sizes ½” to 2” , but is available in socket weld and flanged connections as well
Useable in pressure ranges from 5 to 8000 PSI depending on the size
Materials of construction are normally steel body and stainless internals, but is available in 316 Stainless Steel, Monel, Hastelloy or Alloy 20.
Valve is available in standard metal to metal seating, but is also available in soft seating providing for bubble tight shut off up to 97% of set pressure

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Model 2478

Designed as a totally enclosed thermal relief valve for non corrosive liquid service.
Non Code
1/1/2” through 2-1/2”Threaded
Pressure Range 5 to 300 PSI
Orifice Sizes D-J
Temperature Range -325°F to 406°F
Cast Bronze bonnet, brass base & trim and PTFE seats are standard.
7-15% Blowdown

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Model 3500 EBV

Designed to provide automatic or manual overpressure protection for steam boiler systems and can also be used in start-up and shutdown venting.
ASME Code Section I
1/1/2”, 2” & 2-1/2” either flanged or weld neck design.
ANSI Class 1500 to 4500
Temperature Range to 1100°
Alloy Steel Body w/ Titanium alloy seat and ball

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Model 1982

A general service relief valve for use on Air, Water or Steam. Sizes ½” to 2” threaded male inlet and female threaded outlet. Set pressures up to 500 PSI for all services except the 2” is limited to 100 PSI for Steam ASME Section VIII Carbon Steel body with Stainless Steel Base, Disc and Disc Holder

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