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By use: Petroleum/Petrochemical, LNG (other plants)

Low- and medium-pressure wedge gate valve

Nominal diameter (mm) 15~600
Pressure class 150~900Lb
Main pressure-resistant materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

High-pressure wedge gate valve

Nominal diameter (mm) 15–600
Pressure class 1500–4500 lbs.
Main pressure-resistant materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

Low- and medium-pressure parallel slide valve

Nominal diameter (mm) 15–600
Pressure class 150–900 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

High-pressure parallel slide valve

Nominal diameter (mm) 15–600
Pressure class 1500–4500 lbs.
Main pressure-resistant materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

Open safety valve

Nominal diameter (mm) 40–200
Fluid Steam
Pressure range 0.1–42.9 MPa max.
Temperature range 650°C max.
Materials Carbon steel, Cr-Mo steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

Sealed relief valve

Nominal diameter (mm) 20–200
Fluid Gas, liquids (water), steam
Pressure range 0.1–46.2 MPa *1
Temperature range Room temperature to 373°C *1
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards)
*1
Pressure range and temperature range vary with the fluid.

Low- and medium-pressure small-diameter Globe valve

Nominal diameter (mm) 15–50
Pressure class 900 lbs. (900-lb. rating can also substitute for 150–600 lbs.)
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

Low- medium-pressure large-diameter Globe valve

Nominal diameter (mm) 65–300
Pressure class 1500–4500 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

High-pressure small-diameter Globe valve

Nominal diameter (mm) 15–50
Pressure class 1500, 2500, 4500 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

High-pressure large-diameter Globe valve

Nominal diameter (mm) 65–200
Pressure class 1500–4500 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

Low- and medium-pressure Y valve

Nominal diameter (mm) 15–50 & 65–300
Pressure class 150–900 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

High-pressure Y valve

Nominal diameter (mm) 15–50 & 65–200
Pressure class 1500–4500 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

Low- and medium-pressure angle valve

Nominal diameter (mm) 15–50 & 65–300
Pressure class 150–900 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

High-pressure angle valve

Nominal diameter (mm) 15–50 & 65–200
Pressure class 1500–4500 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

Low- and medium-pressure swing check valve

Nominal diameter (mm) 65–400
Pressure class 150–900 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

High-pressure swing check valve

Nominal diameter (mm) 65–400
Pressure class 1500–4500 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

Medium-pressure lift check valve

Nominal diameter (mm) 15–50
Pressure class 900 lbs. (900-lb. rating can also substitute for 150–600 lbs.)
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

High-pressure lift check valve

Nominal diameter (mm) 15–50
Pressure class 1500, 2500, 4500 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

Low- and medium-pressure screw-down stop check valve

Nominal diameter (mm) 15–600
Pressure class 150–900 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

High-pressure screw-down stop check valve

Nominal diameter (mm) 15–400
Pressure class 1500–4500 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

Through conduit valve

Nominal diameter (mm) 850
Pressure class 300 lbs.
Materials JIS SCPH61

Needle valve for low and medium differential pressures

Nominal diameter (mm) 15–200
Pressure class 150–4500 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)

Needle valve for high differential pressures

Nominal diameter (mm) 15–200
Pressure class 1500–4500 lbs.
Materials Carbon steel, Cr-Mo steel, stainless steel (JIS, ASME and ASTM standards and interpretation of technical standards for steel for thermal power generation equipment)
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