Title :	Piping and Valves	Doc. No.	L-001	Annex:	E	Valve Data Sheet	CBBT10R
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
DOUBLE BLOCK AND BLEED	MANUFACTURERS STANDARD	RF	RF	ASME B16.5	1.00	3.00	021

		Notes
Pressure Rating	CL 300
Design Code	ASME B16.34
Fire Test	API 6FA OR BS 6755
General Requirement	VSK V244
Leak Test	VSK V404
Marking	VSK V003
Operator	VSK V141

Max Design Pressure	Barg	51.1	51.1	50.1	35.0
At Temperature	Deg. C	-46	38	50	100

Subject/Item	Design and Material Requirement	Material	MDS	EDS
BODY/BONNET	Single piece body or split body, bolted	B367 C2 B381 F2	T02 T01
INSIDE TRIM
PORT	Full bore
BORE FOR BLEED	>= 5.0 mm
STEM	To achieve hardness/strength use a combination of gr. 2 and 5 materials, or hardfacing by nitriding	B381 F2	T01
CLOSURE MEMBER	Floating ball (solid); To achieve hardness/strength use a combination of gr. 2 and 5 materials, or hardfacing by nitriding	B381 F2	T01
SEAT	Material according to EDS			NSS1
SEALS	Lip seal/o-ring design and fire seal or packed gland for stem sealing
STUFFING BOX	Expanded graphite not less than 98% purity
O-RING	Material according to EDS			NSM1
LIP SEAL	Material according to EDS			NSM1
OUTSIDE TRIM
BLEED VALVE	Swivelling needle
BOLTING	Material according to EDS			NBO2
LEVER/T-BAR
SPECIAL REQUIREMENTS	Wetted parts suitable for sour service to NACE MR0175

Notes :

021	BLEED END CONN.: 3/4" NPT FEMALE TO ASME B1.20.1.