Athulya Bellows & Engineering Pvt. Ltd.
QUALITY PLAN FOR EXPANSION BELLOW
Component &
Operation
Characteristics
Clasifications
Type of Check

Quantum
of Check

Reference
Documents
Formats
of Record
Acceptance
Norm
Agency
Remarks

A)Identification
& Control of Meterial

A.1 Bellow elements

A.2 Weld ends, liners

A.3 Flanges & Fittings

Matrial

Identification


as per T.C.

Major

-do-


-do-

Visual
Mechanical

Chemical
analysis


100%

100%


100%

ASME SEC.II
EJMA
Inspector's
Log Book
ASME SEC.II
EJMA
Mfg. Q.C. Third Party

If TC'c are not available Checktest to be carried out for mechanical & chemical analysis

B)In Process Inspection

B.1 Welding procedure & Welder Qualification

B.2 Longitudinal Seam Welding (Bellows)

B.3 Forming of Bellow element

B.4 Flanges

B.5 Weldends / Centre pipe
WPS PQR
Perfomance


Weld Quality


Dimensional
Confirmity

Dimensional
Confirmity

Weld Quality

Critical



Major


Major


Major


Major

Witness of Procedure and Mech check test

D.P. TEST


Visual
D.P.TEST

Visual


D.P.TEST

ASME SEC IX


100%


100%


100%


100%

ASME SEC IX
QW-483
QW-483

ASME SEC V IX & IV

EJMA


ANSI, DIN
B.S. & I.S.

ASME SEC IX, V
QW-482



Inspector's
Log Book

-do-


-do-


-do-

ASME SEC IX
Third Party
QW-483
ASME SEC V
Third Party

EJMA


ANSI, DIN
B.S. & I.S.

ASME SEC VIII
Mfg. Q.C.


-do-


-do-


-do-


-do-

(R)



(R)


(R)


(R)


(R)

C)Final Inspection

C.1 Dimension


C.2 Pressure Test

C.3 Painting / Packing
Dimensional
Confirmity

Hydraulic test

Air jet leak test
Primer Coating
Major Measurement

Critical

Major

Visual &
Drawing

Visual

Visual

100%


100%

100%

Approved Drg.
EJMA
-do-

P.O./Drg.

Dimensional
Report
& SEC VII
Inspector's
Log Book
Inspector's
Log Book
Approved Drg.
Third Party
-do-

P.O./Drg.

Mfg. Q.C.

-do-


Mfg. Q.C.
(W)


(W)

(R)

R : Review        W : Witness        H : Hold
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