Abbreviations for Piping Drawings

POSTED BY : oilandgasclub September 28, 2017 in Blog Comments Off on Abbreviations for Piping Drawings

Piping-Drawings

General

S.No	Abbreviation	Description
1	BOP	Bottom of Pipe
2	CL	Center Line
3	EL	Elevation
4	GR	Grade
5	HC	Hose Connection
6	ID	Inside Diameter
7	MAT’L	Materials
8	MTO	Materials Take Off
9	REV	Revision
10	OD	Outside Diameter
11	SPEC	Specification
12	STD	Standard
13	BW	Butt Weld
14	CONC	Concentric
15	ECC	Eccentric

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16	ELL	Elbow
17	FLG	Flange
18	LR	Long Radius
19	NPS	Nominate Pipe Size
20	MFD	Mechanical Flow Diagram
21	P&ID	Piping and Instrumentation Diagram
22	PFD	Process Flow Diagram
23	PSIG	Pounds per Square Inch Gage
24	NPT	National Pipe Threads Tapered
25	PVC	Poly Vinyl Chloride
26	SMLS	Seamless Pipe
27	SO	Slip On
28	SW	Socket Weld
29	WN	Welding Neck (kind of flange)
30	XS	Extra Strong (wall thickness of pipe)
31	XXS	Double Extra Strong (wall thickness of pipe)

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