High Temperature Butterfly Valve/High Temperature Regulating Butterfly Valve Hastelloy Alloy Welding Manual Eccentric Type Flue Gas/Boiler Medium ASME API 700-9

High Temperature Butterfly Valve/High Temperature Regulating Butterfly Valve Hastelloy Alloy Welding Manual Eccentric Type Flue Gas/Boiler Medium ASME API 700-9

1300.0 INR/Piece

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Product Details:

Connection Type Flange, butt weld, socket weld, wafer
Valve Type High-temperature valve
Valve Size DN10 ~ DN2000
Control System Manual, gear operated, electric, pneumatic, hydraulic
Material Carbon steel (WCB/WCC), chrome-molybdenum steel (WC6/WC9/F11/F22/F91), stainless steel (304/316/321/310S/309S), high-temperature alloys (Inconel/Monel/Hastelloy), heat-resistant cast iron, ceramic materials
Features Heat and creep resistant, thermal expansion compensation, reliable sealing, heat dissipation/insulation structure, oxidation and erosion resistant, high strength and rigidity, long service life
Usage High-temperature industrial applications (thermal power, petrochemical, metallurgy, waste heat power generation)
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High Temperature Butterfly Valve/High Temperature Regulating Butterfly Valve Hastelloy Alloy Welding Manual Eccentric Type Flue Gas/Boiler Medium ASME API 700-9 Price And Quantity

Minimum Order Quantity 1 Piece
Price 1300.0 INR/Piece

High Temperature Butterfly Valve/High Temperature Regulating Butterfly Valve Hastelloy Alloy Welding Manual Eccentric Type Flue Gas/Boiler Medium ASME API 700-9 Product Specifications

Temperature -20 ~ 1200 (conventional 650 ; special ceramic/alloy can reach higher) Celsius (oC)
Size DN10 ~ DN2000
Valve Type High-temperature valve
Pressure l, ~, , M, , P, N, 1, P, ., 6, , N, C, l, 4, 2, ., 0, P, a, ,, , a, s, s, 1, 5, 0, , C, , ~, a, s, 5, 0, s, 2, 0 mpa
Sealing Metal hard seal; leakage class IV, V, VI
Connection Type Flange, butt weld, socket weld, wafer
Usage High-temperature industrial applications (thermal power, petrochemical, metallurgy, waste heat power generation)
Application High-temperature water, steam, hot oil, flue gas, high-temperature gas, corrosive high-temperature media
Valve Size DN10 ~ DN2000
Port Size DN10 ~ DN2000
Product Type Gate valve, globe valve, check valve, ball valve, butterfly valve, control valve
Features Heat and creep resistant, thermal expansion compensation, reliable sealing, heat dissipation/insulation structure, oxidation and erosion resistant, high strength and rigidity, long service life
Material Carbon steel (WCB/WCC), chrome-molybdenum steel (WC6/WC9/F11/F22/F91), stainless steel (304/316/321/310S/309S), high-temperature alloys (Inconel/Monel/Hastelloy), heat-resistant cast iron, ceramic materials
Control System Manual, gear operated, electric, pneumatic, hydraulic
Media Oil, Gas, Base, Water, Acid

Product Description

HIGH-TEMPERATURE VALVES

PRODUCT OVERVIEW

High-temperature valves are specialized industrial valves designed for media temperatures >200. They are primarily used for the start/stop, regulation, throttling, and safety protection of high-temperature water, steam, hot oil, flue gas, high-temperature gases, and corrosive high-temperature media. Common types include gate valves, globe valves, check valves, ball valves, butterfly valves, and control valves. Their core design focuses on heat resistance, pressure resistance, reliable sealing, thermal expansion compensation, creep resistance, and oxidation resistance. They are widely used in high-temperature systems such as thermal power, petrochemical, metallurgy, and waste heat recovery power generation.

Common Temperature Classifications:

Medium-high temperature: 200 ~ 450
High temperature: 450 ~ 600
Ultra-high temperature: Above 600

TECHNICAL SPECIFICATIONS

Nominal Diameter (DN): DN10 ~ DN2000
Nominal Pressure (PN): PN1.6 ~ PN42.0MPa, Class150 ~ Class2500
Working Temperature: -20 ~ 1200 (conventional 650; special ceramic/alloy materials can achieve higher temperatures)
Connection Types: Flange, Butt Weld, Socket Weld, Wafer
Actuation Methods: Manual, Gear Operated, Electric, Pneumatic, Hydraulic
Leakage Class: Class IV, Class V, Class VI (metal hard-seated valves are mostly Class IV/V)
Applicable Media: High-temperature steam, high-temperature water, heat transfer oil, flue gas, hot air, high-temperature gas, corrosive high-temperature media

MAIN COMPONENT MATERIALS

1. Body / Bonnet

Carbon Steel: WCB, WCC (450)
Chrome-Molybdenum Heat-Resistant Steel: WC6, WC9, C12A, F11, F22, F91 (450~650)
Stainless Steel: 304, 316, 321, 310S, 309S (heat and corrosion resistant)
High-Temperature Alloys: Inconel, Monel, Hastelloy (for ultra-high temperature / strong corrosion)
Special Materials: Heat-resistant cast iron, cast steel, ceramic materials (for ultra-high temperature flue gas)

2. Internal Parts (Disc / Seat / Stem)

Stem: 2Cr13, 304, 316, F6a, Chrome-Molybdenum Steel, Nickel-Based Alloys
Sealing Surface: Stellite alloy overlay, hard alloy, nitriding treatment, tungsten carbide
Gasket / Packing: Flexible graphite, metal wound gasket, serrated gasket, carbon fiber packing, flexible graphite braided packing

PRODUCT FEATURES

Heat and Creep Resistant: Made of heat-resistant alloy steel, ensuring no deformation or failure under long-term high-temperature conditions.
Thermal Expansion Compensation Design: Prevents jamming and leakage caused by high-temperature thermal expansion.
Reliable Sealing: Primarily metal hard-seated, resistant to high temperatures and erosion.
Heat Dissipation / Insulation Structure: Some models are equipped with heat sinks to protect packing and actuators.
Oxidation and Erosion Resistant: Hardened sealing surface treatment extends service life.
High Strength and Rigidity: Reasonable valve body wall thickness design withstands high-temperature and high-pressure shocks.
Long Service Life: Anti-fatigue, anti-seize, and anti-stem blowout structures ensure durability.

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