Butterfly valve-Triple Offset Butterfly Valve

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Triple Offset Butterfly Valve Structural Drawing

Materials List(Triple Offset Butterfly Valve)

No.	Part Name	Materials	Optional Materials
1	Body	Cast Steel	SS,Monel
2	Key	SS	SS,Monel
2a	Pin	SS	Monel
3	Stem	SS	SS,Monel
4	Disc	Cast Steel	SS,Monel
5	Seal Ring	PTFE+SS	SS+Graphite
6	Retainer Flange	Carbon Stell	SS,Monel
7	Bolt	B7	SS
8	Bolt	B7	SS
9	Cover	Carbon Steel	SS,Monel
10	Gasket	Graphite	Graphite
11	Bushing	PTFE+Bronze	Luberized Bronze
12	Bushing	PTFE+Bronze	Luberized Bronze
13	Packing	Graphite	PTFE
14	Packing	Graphite	PTFE
15	Bolt	B7	SS
16	Packing Bushing	SS	SS
17	Nut	2H	SS
18	Bolt	B7	SS
19	Yoke	Carbon Steel	-

Remarks:1.Pressure and temperature rating of shell material referred to Appendix F.

2.Chemical composition and mechanical properties of shell materials referred to Appendix G.

3.Rated temperature of valve seat referred to Appendix E.

Type of body connection.The connection between triple eccentric butterfly valve body and pipe can be double flanged,wafer and lug wafer.

Triple Offset Butterfly Valve Technical Specification

Design Standard		GB/T12238					API609
Pressure-Temperature Rating		GB/T12224					API609?ASME B16.34
Face-Face		GB/T12221					API609?ISO5752?ASME B16.10
Flange Ends		GB/T9113?JB/T79					ASME B16.5\16.47
Inspection & Test		JB/T9092?GB/T13927					API598
Norminal Pressure(MPa)		1.0	1.6	2.5	4.0	6.3	Class150	Class300	Class600
Test Pressure(MPa)	Shell Test	1.5	2.4	3.75	6.0	9.45	2.93	7.58	15.0
	High Pressure Seal Test	1.1	1.76	2.75	4.4	6.93	2.07	5.52	11.03
	Low Pressure Seal Test	0.6
Applicable Temperature		-46?~550? Different raw material for different work temperature
Applicable Medium		Water,oil,gas and other causticity medium(Different raw material for different medium)

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