Wartsila, Ball Valve, Trunnion Mounted for Pipeline

Ball – Trunnion Mounted – Pipeline

Robert Cort C-B5 Trunnion Mounted Ball Valves (Pipeline)

Manufacturer of pipeline ball valves for a wide range of applications. With a global reputation for high quality, reliability and safety, the Cort C-B5 trunnion mounted pipeline ball valve is available in sizes from 150mm – 1200mm (6” to 48”) and pressure ratings from class 150 to 2500.

The Cort C-B5 Ball Valve uses a three piece, bolted body design manufactured from ring rolled forgings. The cast or forged ball features integral, external trunnions which turn in bearings mounted in bearing retainer blocks. These bearing retainers are precision located between the valve closures which are then able to resist the pressure loading on the ball.

Size Range

DN150 – DN1400 / 6” – 56” Bore

Pressure Rating

ANSI 150 up to 2500

Materials

Carbon Steel, Stainless Steel & Ferralium®

Applications

Flowlines, manifolds, pipeline transmission and distribution, pressure regulation and metering runs, underground storage, waterflood and general pipeline service in onshore, offshore and subsea locations. Our C-B5 ball valves can also be used as sphere launchers or receivers when fitted with a sphere-lock ball.

Standard Features

Wartsila, Ball Valve, Trunnion Mounted for Pipeline

Approved to API 6D.
Trunnion Mounted (Low operating torque).
Bubble-tight sealing from zero to full rated pressure.
Metal-to-metal primary seal – protected ‘O’ ring secondary seal.
Self-cleaning ball.
Piggable.
3 – piece Bolted construction allows for disassembly maintenance on site.
Double stem seals – can be replaced with pipeline under pressure.
Integral mechanical stops.
Both upstream and downstream seat seals capable of sealing upstream pressure.
Full block and bleed capability.
Seal integrity can be checked by pressurising the body cavity only.

Option

Hardness controlled materials (to suit NACE MR-01-75).
Spring Energized Polymer Seals.
Emergency sealant injection (seat and stem seals).
Stem extensions for operating underground.
Transition pups for welded ends.
Regular or Venturi Port.

Valve Size and Class

Weights and Dimensions Class 150 Valve

Weights and Dimensions Class 300 Valve

Weights and Dimensions Class 600 Valve

Weights and Dimensions Class 900 Valve

Weights and Dimensions Class 1500 Valve

MATERIALS OF CONSTRUCTION

	Standard	Options Include
BODY	Carbon Steel	Weld Overlayed
	ASTM A350-LF2 (class 1) Modified (50000psi min yield)	Epoxy/Phenolic Linig
CLOSURES	Carbon Steel	Weld Overlayed
	ASTM A350-LF2 (class 1) Modified (50000psi min yield)	Epoxy/Phenolic Linig
BODY BOLTING	ASTM A193 Grade B7 Studs	Low Temperature Alloy Steel
	ASTM A194 Class 2H Nuts
GLAND PLATE	Carbon Steel	Stainless Steels
	BS EN10025 S355	Weld Overlayed
	ASTM A350-LF2	Epoxy/Phenolic Linig
BEARING RETAINERS	Carbon Steel	Weld Overlayed
	BS EN10025 S355	Fibreglide Resin
BEARINGS	Steel backed PTFE Type DU	Weld Overlayed
THRUST WASHERS	Electroless Nickel Coated Carbon Steel
BALL	Electroless Nickel Coated Carbon Steel	Stainless Steels
	ASTM A350-LF2	Weld Overlayed
		Hard Faced (Tungsten Carbide or Stellite)
SEAT RINGS	Electroless Nickel Coated Carbon Steel	Stainless Steels
	BS 970 070M20	Duplex Stainless Steel
	BS 970 080M40	Weld Overlayed
		Hard Faced (Tungsten Carbide or Stellite)
SEAT SPRINGS	18/8 Austenitic Stainless Steel	Inconel X750
‘O’ RING SEALS	Specially compounded Nitrile synthetic rubber	Viton
		HNBR
		Nylon PA12G (Face Seal)
STEM	Electroless Nickel Coated Alloy Steel	Stainless Steels
	BS 970 709M40	Duplex Stainless Steel
DRIVE PINS	Alloy Steel	Stainless Steels
	BS 970 709M40	Duplex Stainless Steels

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