Triple Offset Butt Weld Butterfly Valve

Carbon Steel (WCB, WCC for strength), Stainless Steel (SS304, SS316)

Size Range: DN100~DN2000

Connection Options:Flanged

Working Pressure:PN10~PN40

Working Temperature: ≤425°C

Sealing Options:EPDM, PTFE, Metal-to-Metal, NBR, FKM

Manufacturing Method:Cast, Forged, Machined

Applicable Medium:Water, Oil, Gas, Air, Chemical Fluids

Manufacturing Standard:API 609, ASME B16.47, MSS-SP-67, BS EN 593, ISO 5752

Product Overview

The Triple Offset Butt Weld Butterfly Valve is a specialized valve crafted for exact flow regulation and dependable sealing in critical applications. Its triple-offset design eliminates seat contact during operation, enhancing durability and performance. The butt-welded connection provides a permanent, secure bond to pipelines, making this valve ideal for high-pressure and high-temperature systems where leak-free performance is essential.

Product Features

Main Performance Specifications

Nominal Pressure PN (MPa)	Strength Test (MPa)	Seal Test (MPa)	Suitable Temperature (°C)	Applicable Medium
1.0	1.5	1.1	≤425°C	Water, steam, gas, oil, hot air, natural gas and other media
1.6	2.4	1.76
2.5	3.8	2.75
4.0	6.0	4.4

Main Parts and Materials

Part Name	Material
Valve body, butterfly plate	Cast steel, cast stainless steel
Stem	Stainless steel
Ring (Sealing Ring)	Stainless steel + graphite sheet
Packing	Flexible Graphite

Specification Parameters

Main Connection Dimensions

DN (mm)	L	1.0 MPa		1.6 MPa		2.5 MPa		4.0 MPa
		H	H1	H	H1	H	H1	H	H1
100	190	280	390	280	390	280	390	280	390
125	200	300	420	300	420	300	420	300	420
150	210	320	460	320	460	320	460	320	460
200	230	370	550	370	550	370	550	370	550
250	250	420	620	420	620	420	620	420	620
300	270	480	750	480	750	480	750	480	750
350	290	530	800	530	800	530	800	530	800
400	310	580	870	580	870	580	870	580	870
450	330	620	920	620	920	620	920	620	920
500	350	670	1000	670	1000	670	1000	670	1000
600	390	750	1190	750	1190	750	1190	750	1190
700	430	890	1440	890	1440	890	1440	890	1440
800	470	980	1550	980	1550	980	1550	980	1550
900	510	1060	1650	1060	1650	1060	1650	/	/
1000	550	1175	1920	1175	1920	1175	1920	/	/
1200	650	1310	2170	1310	2170	/	/	/	/
1400	710	1310	2440	1310	2440	/	/	/	/
1600	790	1560	2650	1560	2650	/	/	/	/
2000	950	1670	2860	1670	2860	/	/	/	/

Specification Applications

Industries

Chemical Manufacturing: Controls the flow of corrosive and reactive chemicals in high-temperature environments.
Natural Gas and Oil Pipelines: Provides a reliable seal in high-pressure pipelines, ensuring safe transport of gases and liquids.
Power Stations: Used in systems requiring high-temperature steam or water flow control for power generation.
Refineries and Processing Plants: Manages flow in refining processes where a durable and secure valve is critical.
Aerospace and Marine Applications: Ideal for extreme environments, including those with pressure fluctuations and exposure to corrosive media.

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

Flow Control

Hard Seal Wafer Butterfly Valve

Fluorine-Lined Pneumatic Butterfly Valve

Flanged PTFE-Lined Butterfly Valve (Midline)

PTFE-Lined Wafer butterfly Valves (Middle)

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