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Title : Piping and Valves Doc. No. L-001 Annex: E Valve Data Sheet BUAT20R
Project : Company : Rev.Date : 20.09.99 Rev. : 2

Valve Type End To End Standard End Type 1 End Type 2 End Standard Size From (in) Size To (in) Notes
BUTTERFLY VALVE WAFER SOFT SEAT API 609 TABLE 2 RF RF ASME B16.5 4.00 24.00
BUTTERFLY VALVE WAFER SOFT SEAT ISO 5752 LONG RF RF MSS SP-44 30.00 30.00
BUTTERFLY VALVE WAFER SOFT SEAT BS 5155 LONG RF RF MSS SP-44 36.00 48.00

Notes
Pressure Rating CL 150
Design Code API 609 CATEGORY B 142
Fire Test API 6FA OR BS 6755
General Requirement VSK V254
Leak Test VSK V007
Marking VSK V003
Operator VSK V004 260

Max Design Pressure Barg 19.6 19.6 19.2 15.0
At Temperature Deg. C -46 38 50 100

Subject/Item Design and Material Requirement Material MDS EDS
BODY Wafer type, with 4 guiding lugs, unthreaded B367 C2
B381 F2		 T02
T01
INSIDE TRIM



STEM To avoid galling: Use gr. 2 and 5 materials, or hardfacing by nitriding B348

CLOSURE MEMBER Disc, bi-directional, double or triple eccentric. Full seat pressure rating. Disc shall have clearance to i.d. 736 mm for 30" pipe, i.d. 888 mm for 36" pipe, i.d. 1000 mm for 40" pipe, and i.d. 1200 mm for 48" pipe.; To avoid galling: Use gr. 2 and 5 materials, or hardfacing by nitriding B381

SEAT Renewable PTFE

SEALS Lip seal or packed gland for stem sealing; Material according to EDS

NSM1
STEM PACKING Expanded graphite not less than 98% purity


RESILIENT SEAL Material to be hydrocarbon and seawater resistant

NSM1
OUTSIDE TRIM



BOLTING Material according to EDS

NBO2
SPECIAL REQUIREMENTS Wetted parts suitable for sour service to NACE MR0175



Notes :
142 30"-48", DESIGN SHALL COMPLY TO ASME B16.34, AND TO API 609 FOR REQUIREMENTS NOT RELATED TO SIZE.
260 GEAR FOR ALL SIZES.