L90 Butt Welded Hard Seal Three Eccentric Butterfly Valve

FEATURES

• Both flow directions can bear pressure and realize installation without flow direction restriction the way
• Metal to metal torque seal
• Replaceable valve seat and seal ring design
• The valve seat is made of all metal forging, and sprayed on the sealing surface Welding Stellite
• Erosion resistance, long life, wear resistance

PARAMETER

• Design to comply with API609 /GB/T12238, GOST P53673, Compatible with DIN, BS, JIS
• Face to face: ASME B16.10, GB/T12221, GOST 3706
• Testing & inspection: API598, GB/T13927, GOST 33257
• Body Material: WCB, A105, CF8, CF8M, CF3M
• Disc Material: WCB, CF8, CF8M, CF3M
• Stem Material:20Cr13,17-4PH, 2205, X-718
• Seat Ring: Graphite+Metal(multilevel), All-Metal
• Transmission mode: Manual, Worm gear, Pneumatic, Electric, Hydraulic
• Applicable Temperature: -29~425 ℃
• Nominal diameter:DN50~DN1200, NPS 2”~NPS 48”
• Nominal pressure (Mpa): PN10~PN100, Class150~600, 10K~45K

PRODUCT STRUCTURE FEATURES

Main Dimension(Buttweld)Class 150LB

NPS(in)	L	D	d	H1	H2	H3
2"	150	150	120.7	94	193	20
3"	180	190	152.4	118	221	25
4"	190	230	190.5	130	243	30
5"	200	255	245.9	153	261	35
6"	210	280	241.3	165	273	40
8"	230	345	298.5	198	309	45
10"	250	405	362	235	337	50
12"	270	485	431.8	274.5	382.5	67
14"	290	535	476.3	314	435	81
16"	310	595	539.8	344	457	87
18"	330	635	577.9	369	510	98
20"	350	700	635	410.5	579	105
24"	390	815	749.3	472.5	635	117
28"	430	925	863.3	529.5	671	117
32"	470	1060	977.9	648	800	120
36"	510	1170	1085.8	708.2	862	128
40"	550	1290	1200.2	766.2	955	170
48"	630	1510	1422.4	884	1088	182

APPLICATION

rubber and PTFE can not be controlled High temperature fluid. It can be used instead of gate valve and ball valve. water Steam, air, gas, exhaust gas, sulfurous acid gas, Nitrogen. Mainly used for heating, low pressure steam and other working conditions.