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Procurement of Manifold
Reference: SDI4731P21 7/22/2020, Location: Asia
Category: Manifold
Scope of Work
The company announces its need for Fabrication, supply and testing of High pressure 10 point manifold.
PART A: (MAIN HEADER):
I. Main Header of 219.0 mm (8 5/8 inch) OD x 16mm (0.625inch) thick × 6600
mm long seamless API 5L PSL1 grade pipe of 79.54 KG/M (53.4 PPF).
II. Both sides of the header shall be welded with 203.00 mm (8 inch) nominal
bore RTJ weld neck flange. Suitable weld neck type companion flange shall be
supplied for one side of the main header and other side shall be plugged by a
blind flange. All flanges shall be as per ANSI B16.5, pressure class 900.
Requisite nos. of studs, nuts and ring gasket shall be supplied.
III. 10 nos. (equally spaced) of 89.00 mm (3 ½ inch) OD x 7.62mm (0.300 inch) thick x 304.8mm (12inch) long seamless pipe as per API 5L PSL1 grade of
weight 15.27 KG/M (10.25 PPF) with one end welded, for flow connection, to
the main header and other end welded to 76mm (3 inch) nominal diameter RTJ
flange as per ANSI B16.5 of 900 class.
Quantity per manifold = 1.
PART B:
60.00 mm (2 3/8 inch) OD x 5.54mm (0.218 inch) thick x 305.00mm (12inch)
long of 7.49 KG/M (5.02 PPF) seamless pipe as per API 5L PSL1 grade with
one end welded to 50.00 mm (2inch) nominal dia. RTJ flange as per ANSI B (18 inch) long of 15.27 KG/M (10.25 PPF) seamless pipe as per API 5L PSL1
grade with both end welded to 76 mm (3 inch) nominal diameter RTJ flange as
per ANSI B16.5 of 900 class
Quantity per manifold = 10
PART C: (TEST HEADER):
I. Test header of 114.0 mm (4 ½ inch) OD x 8.56 mm (0.337inch) thick x 6600
mm Long x 22.31 KG/M (14.98 PPF) size ,Seamless pipe as per API 5L PSL1
grade .
II. Both sides of the test header shall be welded to 101.6mm (4 inch) nominal
diameter RTJ 900 class weld neck type flange. Suitable weld neck type
companion flange shall be supplied for one side of the test header and other side shall be plugged by a blind flange. All flanges shall be as per ANSI B16.5,
pressure class 900. Requisite nos. of studs, nuts and ring gaskets shall be
supplied.
III. 10 nos. (equally spaced) 60.00 mm (2 3/8 inch) OD x 5.54 mm (0.218 inch)
thick x 305.00 mm (12 inch) long of 7.49 KG/M (5.02 PPF) seamless pipe as per
API 5L PSL1 grade with one end welded, for flow connection and gusset
support, to test header and other end welded to 50.00 mm (2inch) nominal
diameter RTJ flange as per ANSI B 16.5 of 900 class.
Quantity per manifold = 1
PART D: (HIGH PRESSURE SWAGE):
Swage of size 114mm (4 ½ inch) by 89 mm (3 ½ inch) OD, approximate length
305.00 mm (12 inch) with one end welded to 76mm (3inch) nominal diameter
RTJ companion flange to the API 6D check valve (mentioned in part G below)
and other end having API Line threads with polymer/metal thread protectors.
Quantity per manifold =10
PART E & F: (PLUG VALVES):
Regular Pattern Plug valve, API 6D Monogrammed, fire safe to API 6FA, Cast
Steel, Pressure Balanced type, hyper seal, lever operated, along with a pair of
forged companion flanges with requisite quantity of High Tensile Studs, Nuts &
gaskets. The lever for valve operation should be removable.
Features: Pressure balanced construction (Protected balance type), hyper seal,
renewable seat with online valve sealant injection facility, bolted cover with
metal gasket, anti blow-out stem, threaded stem with online emergency packing
injection facility.
Orientation: Valve operating lever (Plug valve for test line) for part F shall be
oriented such that it can be operated from the main header end (Part A) i.e. the lever attachment point of plug valve for test line shall be front facing or side
facing, but not at back facing with reference to the main header for ease of
operation. Suitable indication for valve open-close position should be provided
in the valve spindle.
Technical Specification & MOC of Valve:
a) Monogram = API 6D monogram should be embossed on the body.
b) Body cover = ASTM A216 Grade WCB
c) Plug = ASTM A216 Grade WCB
The plug to be case hardened & impregnated with PTFE based anti-friction
agent for greater wear resistance, consistent low operating torque and
resistance to seizure.
d) Stem = AISI 4140 / AISI 410
e) Bolting = Studs-A193- Gr.B7 & Nuts-A194 Gr.2H
f) Stem Seal = Injectable Stem Sealing compound + Graphite Filament
g) End connection = ANSI B16.5 Ring Joint type (RTJ) Flanged.
h) Companion Flanges = ANSI B16.5 Ring Joint type (RTJ), Welding-Neck.
i) Fire Test = API 6FA
Quantity per manifold:
(1) 76.00 mm (3inch) Part E = 10
(2) 50.00 mm (2inch) Part F = 10
(3) Operating lever = 10
PART G: (CHECK VALVES):
Cast carbon steel 76mm (3 inch) nominal diameter 900 class Swing check valve
as per API 6D (latest edition) with regular port, body and cast steel cover
conforming to ASTM A216 grade WCB with disc of 13% and body seat ring.
The ends should have RTJ flanges in accordance with ANSI B16.5 complete
with companion flange as per ANSI B16.5 accompanied by studs, bolts, nuts and
RTJ gaskets.
Quantity per manifold: = 10
2.0 FABRICATION OF MANIFOLD:
a) All the pipes, valves and pipe fittings shall be as per the bill of material
specified above and as per reference of OIL drawing no.
OIL/PDNO/P&D/019/A-1/1
b) The bidder must submit the following API/ANSI certificates along with
the bid:
Plug valves & Check valves: API 6D;
Pipes: API 5L;
Flanges: ANSI B16.5, pressure class 900
c) The bidder must procure valve body castings from Foundries approved by
M/s EIL or M/s Lloyds only.
16.5 of 900 class and other end welded, at midpoint, for flow connection and
gusset support, to 89.0 (3 ½ inch) mm x 7.62 mm (0.300 inch) thick x 457.0 mm.
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