INLET SIZES: 1-1/2” to 6” in either flanged or weld neck design
INLET RATINGS: ANSI Class 600 to 4500
OUTLET SIZES: 3” to 10” Flanged
OUTLET RATINGS: ANSI Class 150 and 300
ORIFICE SIZES: Eleven sizes – 1 through RR
SET PRESSURE RANGE: Up to 5360 psig
TEMPERATURE RANGE: -20 deg F. to 1120 deg F.
MATERIALS: Alloy and carbon steel cast body with stainless steel trim is standard. Special alloys are available for specific applications
CODE: ASME Sections I and VIII

INLET SIZES: 1-1/2” to 6” in either flanged or weld neck design
INLET RATINGS: ANSI Class 600, 900 and 1500
OUTLET SIZES: 3” to 8” flanged
OUTLET RATINGS: ANSI Class 150 and 300
ORIFICE SIZES: Eleven sizes – 1 through Q
SET PRESSURE RANGE: Up to 1600 psig
TEMPERATURE RANGE: -20 deg F to 1050 deg F
MATERIALS: Alloy and carbon steel cast body with stainless steel trim is standard. Special alloys are available for specific applications.
CODE: ASME Sections I and VIII

INLET SIZES: 1-1/4” to 6” flanged
INLET RATINGS: ANSI Class 300 and 600
OUTLET SIZES: 1-1/2” to 8” flanged
OUTLET RATINGS: ANSI Class 150
ORIFICE SIZES: Ten sizes – F through Q
SET PRESSURE RANGE: Up to 725 psig
TEMPERATURE RANGE: -20 deg F to 1000 deg F
MATERIALS: Alloy and carbon steel cast body with stainless steel trim is standard.
CODE: ASME Sections I and VIII

INLET SIZES: 1-1/2” to 6” in either flanged or threaded design
INLET RATINGS: ANSI Class 250
OUTLET SIZES: 2-1/2” to 4” threaded, 6” and 8” either flanged or threaded
OUTLET RATINGS: ANSI Class 125
ORIFICE SIZES: Eight sizes – H though Q
SET PRESSURE RANGE: Up to 250 psig
TEMPERATURE RANGE: -20 deg F to 406 deg F
MATERIALS: Cast iron body with brass trim is standard. Stainless steel trim is optional.
CODE: ASME Sections I and VIII

INLET SIZES: 1/2” to 2-1/2” threaded
INLET RATINGS: ANSI Class 250
OUTLET SIZES: 3/4” to 2-1/2”
OUTLET RATINGS: ANSI 125
ORIFICE SIZES: Six sizes – D through J
SET PRESSURE RANGE: 5 to 350 psig
TEMPERATURE RANGE: -20 deg F to 420 deg F
MATERIALS: Cast iron bonnet with brass base and trim is standard. Available with bronze bonnet. Stainless steel base and disc are also optional.
CODE: ASME Sections I and VIII

INLET SIZES: 1/2” to 2-1/2” threaded
OUTLET SIZES: 3/4” to 2-1/2” threaded
ORIFICE SIZES: Six sizes – D through J
SET PRESSURE RANGE: 5 to 300 psig
TEMPERATURE RANGE: -325 deg F to 406 deg F
MATERIALS: Cast bronze bonnet, brass base and trim and PTFE soft seats are standard.
CODE: Non-Coded

INLET SIZES: 1-1/2”, 2” and 2-1/2” in either flanged or weld neck design
INLET RATINGS: ANSI Class 1500 to 4500
OUTLET SIZES: 3” and 4” flanged
OUTLET RATINGS: ANSI Class 300 and 900
SET PRESSURE RANGE: Up to 4500 psig
TEMPERATURE RANGE: To 1100 deg F
MATERIALS: Forged and cast alloy steel bodies with titanium carbide coated ball and seat is standard.
CODE: ASME Section I and Non-Coded

INLET SIZES: 1/2” to 2” threaded, socket weld, butt weld, flanged, Grayloc or sanitary fitting design
INLET RATINGS: ANSI Class 150 to 2500 (for flanged valves)
OUTLET SIZES: 1” to 2-1/2” threaded, socket weld, butt weld, flanged or sanitary fitting design
OUTLET RATINGS: ANSI Class 150 and 300 (for flanged valves)
ORIFICE SIZES: 0.96 sq. in. to 0.567 sq. in.
SET PRESSURE RANGE: 15 to 8000 psig
TEMPERATURE RANGE: -425 deg F to 1100 deg F
MATERIALS: Stainless steel, Monel, Hastelloy, Alloy 20, and other exotic materials are available.
CODE: ASME Sections III and VIII

INLET SIZES: 1” to 8” flanged
INLET RATINGS: ANSI Class 150 to 2500
OUTLET SIZES: 2” to 10” flanged
OUTLET RATINGS: ANSI Class 150 and 300
ORIFICE SIZES: Fourteen sizes – D through T
SET PRESSURE RANGE: 15 to 5000 psig
TEMPERATURE RANGE: -20 deg F to 850 deg F
MATERIALS: Carbon steel body with stainless steel is standard
CODE: ASME Section I

The 1900 Series of pressure relief valves provides a wide scope of design in both pressure and temperature ranges. ASME B & PVC, Section VIII certified for vapor, liquid, and steam applications meets most overpressure protection requirements.

INLET SIZES: 1” to 12” flanged, Grayloc and sanitary fitting design
INLET RATINGS: ANSI Class 150 to 2500
OUTLET SIZES: 2” to 16” flanged
OUTLET RATINGS: ANSI Class 150 and 300
ORIFICE SIZES: Sixteen sizes – D through W
SET PRESSURE RANGE: 15 to 6250 psig
TEMPERATURE RANGE: -450 deg F to 1500 deg F
MATERIALS: Cast carbon steel body with stainless steel trim is standard. Special alloys are available for specific applications.
CODE: ASME Sections III and VIII

INLET SIZES: 1/2” to 2” threaded
OUTLET SIZES: 3/4” to 2-1/2” threaded
ORIFICE SIZES: Five sizes – 0.121 sq. in. through 1.399 sq. in.
SET PRESSURE RANGE: 15 to 500 psig
TEMPERATURE RANGE: -20 deg F to 800 deg F
MATERIALS: Stainless steel base with stainless steel trim is standard.
CODE: ASME Section VIII

INLET SIZES: 1” to 12” flanged
INLET RATINGS: ANSI Class 150 to 2500
OUTLET SIZES: 2” to 16”
OUTLET RATINGS: ANSI 150 and 300
ORIFICE SIZES: Sixteen sizes – D through W
SET PRESSURE RANGE: 15 to 6250 psig
TEMPERATURE RANGE: -40 deg F to 505 deg F (-450 deg F to 1200 deg F with heat exchanger)
MATERIALS: Stainless steel pilot with carbon steel main base with stainless steel trim. Complete stainless steel main valve and other exotic materials are available.
CODE: ASME Section VIII

The Consolidated 2900 MV Pilot Operated Safety Relief Valve is a non-flowing modulating pilot valve that provides exceptional performance and stable operation.

INLET SIZES: 1” to 12” flanged
INLET RATINGS: ANSI Class 150 to 2500
OUTLET SIZES: 2” to 16”
OUTLET RATINGS: ANSI 150 and 300
ORIFICE SIZES: Sixteen sizes – D through W
SET PRESSURE RANGE: 15 to 6250 psig
TEMPERATURE RANGE: -40 deg F to 505 deg F (-450 deg F to 1200 deg F with heat exchanger)
MATERIALS: Stainless steel pilot with carbon steel main base with stainless steel trim. Complete stainless steel main valve and other exotic materials are available.
CODE: ASME Section VIII

INLET SIZES: 1” to 10” flanged
INLET RATINGS: ANSI Class 150 to 2500
OUTLET SIZES: 2” to 10”
OUTLET RATINGS: ANSI 150 and 300
ORIFICE SIZES: Fourteen sizes – D through T plus 1-1/2” though 10” full bore
SET PRESSURE RANGE: 15 to 6250 psig
TEMPERATURE RANGE: -40 deg F to 505 deg F (-450 deg F to 605 deg F with heat exchanger)
MATERIALS: Stainless steel pilot with carbon steel main base with stainless steel trim. Complete stainless steel main valve and other exotic materials are available.
CODE: ASME Section VIII

INLET SIZES: 1” to 10” flanged
INLET RATINGS: ANSI Class 150 to 2500
OUTLET SIZES: 2” to 10”
OUTLET RATINGS: ANSI 150 and 300
ORIFICE SIZES: Fourteen sizes – D through T plus 1-1/2” though 10” full bore
SET PRESSURE RANGE: 15 to 6250 psig
TEMPERATURE RANGE: -40 deg F to 505 deg F (-450 deg F to 605 deg F with heat exchanger)
MATERIALS: Stainless steel pilot with carbon steel main base with stainless steel trim. Complete stainless steel main valve and other exotic materials are available.
CODE: ASME Section VIII

INLET SIZES: 1” to 8” flanged
INLET RATINGS: ANSI Class 150 to 2500
OUTLET SIZES: 2” to 10”
OUTLET RATINGS: ANSI 150 and 300
ORIFICE SIZES: Fourteen sizes – D through T
SET PRESSURE RANGE: 15 to 7200 psig
TEMPERATURE RANGE: -40 deg F to 505 deg F
MATERIALS: Stainless steel pilot with carbon steel main base with stainless steel trim. Complete stainless steel main valve and other exotic materials are available.
CODE: ASME Section VIII

INLET SIZES: 16” to 20” flanged
INLET RATINGS: ANSI Class 300
OUTLET SIZES: 18” to 24”
OUTLET RATINGS: ANSI 150
ORIFICE SIZES: 114 sq. in to 201 sq. in.
SET PRESSURE RANGE: 50 to 300 psig
TEMPERATURE RANGE: 250 deg F to 550 deg F
MATERIALS: Carbon steel body with stainless steel trim.
CODE: ASME Section VIII

SERIES 900

INLET SIZES: 1/2” to 2” threaded, flanged and socket weld
INLET RATINGS: ASNI Class 150# to 2500#
OUTLET SIZES: 1” to 2-1/2”
OUTLET RATINGS: ANSI Class 150# & 300#
ORIFICE SIZES: Five sizes – 0.074 sq. in to 0.503 sq. in.
SET PRESSURE RANGE: 15 to 5000 psig
TEMPERATURE RANGE: -450 deg F to 750 deg F
MATERIALS: Carbon steel cylinder with stainless steel trim is standard. Optional materials include: All 316 stainless steel, Monel, and other materials available.
CODE: ASME Section VIII water, air & steam

INLET SIZES: 2-1/2” to 4” flanged and welded
INLET RATINGS: ASNI Class 2500#
OUTLET SIZES: 6” & 8”
OUTLET RATINGS: ANSI Class 300#
ORIFICE SIZES: Three sizes -”K” to “P”.
SET PRESSURE RANGE: Up to 3000 psig
MATERIALS: Carbon steel with stainless steel, Nickel Alloy and Inconel trim is standard.
CODE: ASME Section I

HCI ISOFLEX

INLET SIZES: 1-1/2” to 6” flanged and welded
INLET RATINGS: ASNI Class 300# through 2500#
OUTLET SIZES: 3” through 10”
OUTLET RATINGS: ANSI Class 150# & 300#
ORIFICE SIZES: Nine sizes -”H2” to “RR”.
SET PRESSURE RANGE: Up to 3000 psig
MATERIALS: Carbon steel with stainless steel, Nickel Alloy and Inconel trim is standard.
CODE: ASME Sections I & VIII steam

HJS

INLET SIZES: 1-1/2” to 6” flanged and welded
INLET RATINGS: ASNI Class 150# through 2500#
OUTLET SIZES: 2” through 8”
OUTLET RATINGS: ANSI Class 150# & 300#
ORIFICE SIZES: Ten sizes -”F” to “Q”.
SET PRESSURE RANGE: Up to 2700 psig
MATERIALS: Carbon steel with stainless steel and Nickel Alloy trim is standard.
CODE: ASME Sections I & VIII steam

Optional balanced bellows design isolates working parts and top-works from fouling or corrosive service, and nullifies the effects of back pressure on valve performance.

The “D” to “T” orifice meet API Standard 526 covering orifice areas and center-to-face dimensions. Super capacity types range from “W” (57.26 sq. in.) to “Q” (159 sq. in.) and have a maximum set pressure limit of 300 psig.

Optional materials of construction include complete 316 stainless steel, Monel, and Hastelloy C. Also available with materials in compliance with NACE standards. Higher temperature models use chrome moly body and bonnet.

Optional O-ring elastomer seat available for maximum tightness.

Applications: air, steam, gas, vapor, and liquid process applications.

Sizes 1” x 2” to 12” x 16”. Orifice areas from 0.110 to 109 square inches. Pressures from 20 to 6170 psig. Temperature range of –450 deg F to +450 deg F. Steel body and bonnet with stainless steel trim. Semi-nozzle design.

The “D” to “T” orifices meet API Standard 526 covering orifice areas and center-to face dimensions. Full bore designs available with 1” through 12” inlets and orifice areas from 0.719 to 109 sq. in. giving maximum capacity for a given inlet size. All stainless snap acting, non-flowing pilot control minimizes product loss and provides maximum resistance to corrosion.

Standard O-ring elastomer seat main valve and pilot control minimizes fugitive emissions and allows operation within 95% of set pressure. Materials include Viton, Buna-N, ethylene propylene, silicone and Teflon. Optional materials of construction include complete 316 stainless steel.

Application: air, gas, vapor, and liquid services where maximum seat tightness, operating pressures and precise adjustment are required. Excellent for natural gas pipeline and compressor service.

Materials of construction include stainless steel body and trim (2850) and bronze/brass body and trim with bronze bonnet (2856).

Applications: air, steam gas, vapor and non-Code liquid applications where service in compatible with stainless steel (2850) or brass and bronze (2856). Also suitable for cryogenic applications.

Materials of construction include stainless steel body and trim (1890) and brass body and trim with bronze bonnet (1896M).

Applications: air, steam, gas, vapor and liquid process applications (1890) and where service is compatible with brass and bronze (1896M). Also suitable for cryogenic applications.

Double blowdown ring meets reseating standards of Section I of ASME Code. Temperature equalizing disc for maximum seat tightness. Available with exposed spring (6400) or closed bonnet (6600). Full nozzle design for ease of maintenance.

Applications: steam boilers (6400) and organic fluid vaporizers or hot water boilers (6600).

This enhanced version of Series 2600 offers an exposed and precipitation hardened stainless steel stem retainer for improved performance in steam applications. Also suitable for air and gases.

Supplied as standard with and open lifting lever to meet the requirements of Section VIII of the ASME Code. Most standard 2600 Series options, including O-ring seats and balanced bellows available upon request.

Applications: steam, air and gases. Suitable for use on steam turbines and reducing stations.

Stainless steel body and trim with carbon steel bonnet. Optional materials of construction include complete 316 stainless steel, Monel, and Hastelloy C. Material suitable for NACE service available.

Available with threaded, flanged, socket weld or welding nipple connections. Optional O-ring seat for ultimate tightness. Maximum blow down of 10% to 20% on all fluids.

Applications: air, gas, vapor and liquid process service.