1700
Series Maxiflow®
Consolidated® Maxiflow™ high pressure safety
valves are premium products that are installed on a majority of
power generating stations worldwide to protect boilers from
overpressure conditions. The Maxiflow™ high-pressure safety
valve has been installed in thousands of steam extraction
applications worldwide. It provides premium protection with
unmatched seat tightness and blowdown accuracy. The product
line has been enhanced over the years with features such as the
patented Thermodisc™ seat design, which reduces plant operating
costs through reduction of steam leaks. Other features
include pressure assisted closing, side rod construction and
adjustable lift.
 Inlet
Sizes:
1½" through 6" flanged or weld neck design
Inlet Rating: ANSI Class 600 through
4750
Outlet Sizes: 3" through 10"
flanged
Outlet Rating: ANSI Class 150 and 300
Orifice Sizes: Eleven sizes - 1 through
RR
Temp. Range: To 1200° F
Materials: Alloy and carbon steel cast
body with stainless steel trim is standard. Special alloys are
available for specific applications.
Certification: ASME Section I and VIII
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2700 Series
The Consolidated® type 2700 safety valve is
designed to meet the fast growing co-generation and
waste-to-energy markets. This valve series satisfies the
need for boiler safety valves from 600 psig up to 1500 psig
applications. The standard valve is supplied with flanged
end connections, however, weld neck inlet connections can be
supplied upon request. The 2700 series product line is
constructed to meet ASME Sections I and VIII code requirements
using cost effective designs. Consolidated's unique
Thermodisc™ seat design for eliminating distortion due to thermal
stresses, is the standard for this design. The Thermodisc™ is
designed to quickly equalize any temperature differentials, which
results in less seat distortion and effectively maintains tight
shutoff after many blowdowns.
 Inlet
Sizes:
1½" through 6" flanged or weld neck design
Inlet Rating: ANSI Class 600, 900, and
1500
Outlet Sizes: 3" through 8"
flanged
Outlet Rating: ANSI Class 150 and 300
Orifice Sizes: Seven sizes - 1 through
Q
Temp. Range: To 1050° F
Materials: Alloy and carbon steel cast
body with stainless steel trim is standard. Special alloys are
available for specific applications.
Certification: ASME Section I and VIII
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1811 Series
The Consolidated® type 1811 safety valve is a
cost effective, high capacity, flanged steel safety valve designed
for steam service. The 1811 safety valve may be utilized for
the overpressure protection of ASME Code Section I fired vessels
and ASME Code Section VIII unfired vessels. The Consolidated
1811 pressure relief valve offers a combination of low pressure
design, high capacity, cost effectiveness, and versatility to meet
numerous steam applications. This product features the
Thermodisc™ seat design, low spindle bearing point with concentric
spindle loading, and two adjusting rings for positive and
repeatable opening action with full relieving capacity.
 Inlet
Sizes:
1¼" through 6" flanged
Inlet Rating: ANSI Class 300 and 600
Outlet Sizes: 1½" through 8"
flanged
Outlet Rating: ANSI Class 150
Orifice Sizes: Ten sizes - F through Q
Temp. Range: To 1000° F
Materials: Alloy and carbon steel cast
body with stainless steel trim is standard.
Certification: ASME Section I and VIII
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1511 Series
Designed for low pressure, steam heating
boilers and steam generators as well as air service. Valve
capacity is certified by the National Board of Boiler and Pressure
Inspectors for relieving capacity at 3 percent and 10 percent
overpressure. This includes applications in coded areas
requiring conformance to ASME Section I and Section VIII
guidelines. This valve offers a combination of low pressure
design, high capacity, cost effectiveness, and versatility to meet
numerous steam applications.
 Inlet
Sizes:
1½" through 6" flanged or threaded design
Inlet Rating: ANSI Class 250
Outlet Sizes: 2½" through 4"
threaded, 6" and 8" either flanged or threaded design.
Outlet Rating: ANSI Class 125
Orifice Sizes: Eight sizes - H through
Q
Temp. Range: To -20° F to 420° F
Materials: Cast iron body/brass trim
standard. Stainless steel trim optional
Certification: ASME Section I and VIII
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1541/1543 Series
Consolidated® Valve types 1541 and 1543 are ASME
Code approved for Sections I, IV, and VIII. They are
designed for steam and other compressible fluids. They are
most commonly used in pharmaceutical, dying and process plants.
Material variations such as 304 stainless steel base and disc.
A bronze bonnet is available where cast iron is not permitted and
soft seats are available.
 Inlet
Sizes:
½" through 2½" threaded
Outlet Sizes: ¾" through 2½"
threaded
Orifice Sizes: Six sizes - D through J
Temp. Range: To -20° F to 420° F
Materials: Cast iron bonnet with brass
base and trim is standard. Available with bronze bonnet. Stainless
steel base and disc are also optional.
Certification: ASME Section I and VIII
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3500 Series EBV
The Consolidated® series 3500 Electromatic Ball
Valve is designed to provide automatic or manual overpressure
protection for steam boiler systems. Regular spring-loaded
safety valves rarely pop in services when the EBV is used.
Set to operate at a lower pressure than spring-loaded valves, the
EBV reduces safety valve maintenance substantially, conserves
power and increases efficiency. Located on the superheat
outlet, the 3500 EBV can also be used to assist start-up and
shut-down venting thereby reducing the need for additional valves.
 Inlet
Sizes:
1 ½", 2", and 2½" in either flanged or weld neck
design.
Inlet Rating: ANSI Class 1500 to 4700
Outlet Sizes: 3" and 4"
flanged
Outlet Rating: ANSI Class 300 and 900
Temp. Range: To 1100° F
Materials: Forged and cast alloy steel
bodies with titanium carbide coated ball and seat is standard
Certification: ASME Section I and Non-ASME
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