(Triple Offset Flanged Butterfly Valve, Lug, Flang, Welded End )
(Triple Excentric Flanged Butterfly Valve, Lug, Flang, Welded End)
(Triple Offset High Performance Butterfly Valve, Lug, Flang, Welded End)
Standard Compliance:
Basic Design:  API609, BS5155, MSS SP-67, MSS SP-68
Face to Face standard:  ASME B16.10,  BS5155,  API609
Flanged standard: ANSI B16.5 (2”-24”)  ANSI B16.47 (>24”),  BS4505
Butt Welding standard: ANSI B16.25
Test and Inspection standard: API598
Fire-safe design to:  API 607/API 6FA  upon request
Marking: MSS-SP-25
Other opertional standard: NACE MR-01-75
Specifications:
Pressure: ANSI 125LB, 150LB, 300LB, 600LB, 900LB
NPS: 2”~120”
End Contenction: Fanged (RF/FF/RTJ), Socket Welded(SW), Butt Welding(BW), Lug

Seat: PTFE, Graphite Laminated
Operater: Lever, Worm-gear, Pneumatic, Hydraulic, and Hydro-pneumatic, Electric, Gas over Oil, Quarter Turn, Rack and Pinion , Scotch Yoke
Applications: Chemical/Petrocheical, Oil & Gas Production, Steel Mills, District Heating / HVAC, Pulp and Paper Industry Power Plants
Features:
Procentric Triple Offset
High Performance Stem Seal
Metal to Metal Seat/Laminate Seat Ring
Positive Shut Off Bi-Directional
Inherently Firesafe Design
Conical Sealing System for Low Torque
One Piece Shaft for Precise Control
Laminated Seat Ring Stainless & Graphite
"Floating" Disc

Materials Construction
Carbon Steel:
ASTM A105N, A216 WCB/WCC/WCA
Low Temperature Carbon Steel (LTCS)/Alloy Steel:
ASTM A350 LF2, A352 LCB/LCC/LCA
ASTM A350 LF1/LF3/LF5/LF6/LF9/LF787, A352 LC1/LC2/LC2-1/LC3/LC4/LC9/, A743 CA6NM
High Temperature Steel(Chrome Moly)/Alloy Steel:
ASTM A182 F1/F5a/F9, A217 WC1/C5/C12
ASTM A182 F11, A182 F22, A216 WC6, A217 WC9
ASTM A182 F91, A217 C12A
Austenitic Stainless Steel/Alloy Steel:
ASTM A182 F304 (L) (H) / UNS S30400 (S30403) (S30409), A351 CF8/CF3/CF10
ASTM A182 F316 (L) (H) / UNS S31600 (S31603) (S31609), A351 CF8M/CF3M/CF10M
ASTM A182 F316 Ti / UNS S31635
ASTM A182 F321 (H) / UNS S32100 (S32109)
ASTM A182 F347 (H) / UNS S34700 (S34709), A351 CF8C
ASTM A182 F317L / UNS 31703, A351 CG3M
ASTM A182 F44 (6MO), ASTM CK3MCuN
ASTM A182 F20*(ALLOY 20#) / UNS N08020, A351 CN7M
Ferritic-Austenitic / Duplex / Super Duplex Stainless Steel:
ASTM A182 F51 /UNS S31803 /S32205 (Duplex2205), A890/A995 GR.4A (J92205) /A351 CD3MN
ASTM A182 F52,
ASTM A182 F53 / UNS S32750 (Super Duplex2507), A890/A995 GR.5A / A351 CE8MN (CD4MCu)
ASTM A182 F55 / UNS S32760, A890/A995 GR.6A (CD3MWCuN)
ASTM A182 F60 / UNS S32950
Super Austenitic ASTM A182 F44 / UNS S31254, A351 CK3McuN
Alloy 20 ASTM B462 / UNS N08020
Monel 400 / UNS N04400 ASTM B564-N04400 / A494 M35-1
Monel 500 / UNS N05500 ASTM B564-N05500
Nickel Alloy 904L / UNS N08904
Inconel 600 /UNS N06600 /ASTM B564-N06600 /ASTM A494-CY40
Inconel 625 /UNS N06625 /ASTM B564-N06625 /ASTM A494-CW6MC
Inconel 800 /UNS N08800 /ASTM B564-N08800
Inconel 825 /UNS N08825 /ASTM B564-N08825 /A494 CU5MCuC
Hastelloy C-276 /UNS N10276 /ASTM B564-N10276 /ASTM A494 CW2M
Titanium ASTM B381 GR.F2/UNS R50400, B367 GR. C2, ASTM B381 GR.F3, B367 GR.C3,
ASTM B348 / B381 / UNS R50400
BRASS C36000/ Bronze / Aluminium Bronze ASTM B62 UNS C83600,ASTM B148 C95800/ BS1400 AB2