Hp Trading and Petroleum Services Joint Stock Company Hp Jsc Subsea Double Block Bleed Ball Valve 18 450nb

Detailed Specifications

Design Standard	API 6H / ASME B31.8 / DNVGL-ST-F101 / ASME BPV Code Section VIII Div 1&2, Section IX
Pipeline OD	18" (457 mm) -- API 5L-X65 seamweld, WT 12.7 mm
Design Pressure	147.6 barg (2138 psi)
MAOP	138 barg (2001 psi)
Operating Temperature	Max 60 degree C
Water Depth	55 m rated
Body / Actuator Flanges	ASTM A694 F60 forging
Tension Bowl / Grips	AISI 4140
Compression Rings / Attachments	ASTM A516 Gr. 70
Seal Extrusion Guards	316 Stainless Steel
Elastomeric Seals	Viton B (circumferential + longitudinal)
Studs / Nuts	ASTM A193 B7 / ASTM A194 2H, PTFE coated
External Coating	Carboline 890 epoxy, safety yellow
Cathodic Protection	Galvalum III sacrificial anodes, 25-year design
Hydraulic Cylinders	Opening/closing, max 3,000 psi (206 bar)
Hydrostatic Test	1.5 x design pressure
Design Life	Minimum 25 years

Design Standard	API 6DSS / API 6A / ASME B16.34 / ASME B16.5 / NACE MR0175
Valve Size	18" (450NB) Full Bore
Pressure Rating	ANSI Class 900# RTJ (2220 psi / 153 bar design)
Valve Type	Trunnion Mounted, Side Entry, Split Body, Bolted Construction
Seat Design	Metal-to-Metal, Double Block & Bleed (close + open position)
Operator	Manual / ROV Operated per ISO 13628-8 Class 4
Body / Bonnet	Low Alloy Steel per API 6DSS (subsea rated)
Ball	SS316 (CF8M) solid, hard chrome plated
Seats	SS316 base + subsea-rated metal-to-metal insert
Stem	SS316 (ASTM A276), anti-blowout design
Seals	HNBR / Aflas subsea rated, anti-extrusion
Bearings	SS316 + PTFE composite (trunnion / thrust)
RTJ Gasket	SS316 octagonal ring per ASME B16.20
Coating	3-layer PP (FBE + adhesive + PP) per API RP 5L9 / Norsok M501 System 7
Design Pressure	147.6 barg
Operating Pressure	138 barg
Temperature	60 degree C max / 28 degree C min
Fluid	Hydrocarbon / Natural Gas
Water Depth	55 m rated
Design Life	30 years

Parameter	Value
Size Range	1/2" to 24"
Pressure Rating	150# to 2500#

ASTM A216 WCB, A105, A350 LF2

SS304, SS316, SS316L, SS321

ASTM A217 WC6, WC9, C5, C12

Description of feature 1 and its benefits.

Description of feature 2 and its benefits.

Size Range	1/2" to 48" (DN15 to DN1200)
Pressure Rating	Class 150 to 2500 (PN10 to PN420)
Body Materials	WCB, CF8M, CF3M, Duplex SS, NAB
Trim Materials	SS304, SS316, SS316L, Stellite, Inconel
End Connections	Flanged RF/FF/RTJ, Threaded, SW, BW
Standards	API 600/602/603/608/609, ASME B16.34, BS 1873
Temperature Range	-196°C to +550°C
Face to Face	ASME B16.10, EN 558, API 609