| Reference | DFD0305P11/08 |
| Date | 12/8/2010 |
| Location | Asia |
| Scope | - Hand wheel operated API 6D, through conduit, Rising Stem Gate Valve complete with necessary companion flanges and RTJ gasket and stud, bolts& nuts etc. as per specification. Quantity: 2 Size: 101.6mm NB (4") Rating: ANSI 600 class Detailed Specifications and Requirements: Gate valve, full opening through conduit design as per figure no. 1 & 2 illustrated in API 6D specification, 22nd Edition (or Latest edition) complete with companion flanges and necessary ring joint gaskets and stud bolts & nuts etc. (as per specification), suitable to pass pigs, scrapers & spheres, for oil field (sweet) services, double disc / slab, parallel sliding gate, back seating arrangement to enable replacing the stuffing box under pressure, rising stem type with hand wheel on vertical axis. Both ends flanged as per ANSI B-16.5 with RTJ gasket. Valves shall be provided with pressure relief fittings and thrust bearing in the yoke for reducing torque. Face to face dimension as per ANSI B-16.10 valve testing as per API specifications 6D.The valves to be supplied with necessary companion flanges, RTJ gasket, Stud & Nuts etc. Material of Construction: a) Body & Bonnet : Cast carbon Steel (ASTM A-216, Gr. WCB). The casting must be of radiographic quality. b) Gate & segment: AISI 410 510 S/S Nitrohardened, with HF-7 Molybdenum Disulfide coating). c) Stem: AISI 410 S/S with HF-7 (Molybdenum Disulfide coating) ASTM A182 Gr.6 Fa d) Seats: AISI 410 S/S, Nitrohardened / ASTM A 182 Gr. F 6a with PTFE insert e) Back Seat Bush: AISI 410 S/S. f) Handwheel: Cast Carbon Steel (ASTM A-216 Gr. WCB) g) Gland packing: Chevron Rings with injectable Teflon Filament. h) Gland Nut: AISI 410. i) Yoke: NI-Resist j) Bonnet Stud: ASTM A 193 Gr. B7. k) Bonnet Nut: ASTM A 194 Gr. 2H. l) Spring: Inconel - X750. - Specification same as previous item but Quantity: 20 Size: 150 mm NB (6") Rating: ANSI 600 class - Specification same as previous item but Quantity: 10 Size: 200 mm NB (8") Rating: ANSI 600 class |
| Bid Bond | US $ 4,800.00 |
| Bond Validity | 180 days |
| Documents Price | USD 100.00 |
