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Marine Engineering Pneumatic Single-Acting Aluminum Bronze C95800 Trunnion Ball Valve

The Aluminum Bronze C95800 Pneumatic Trunnion Ball Valve is a high-performance automated solution specifically engineered for marine and offshore environments.

Model:
Q647F-150LBT
Brand:
DIDTEK
Code:
TRBV-CTBV-040

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Aluminum Bronze C95800 Ball Valve Pneumatic Marine Valve Single Acting Spring Return Valve C95800 Trunnion Ball Valve Seawater Resistant Actuated Valve

Product Detail

Product Parameters

Parameters

Application & Function

Product Detail

The Aluminum Bronze C95800 Pneumatic Trunnion Ball Valve is a high-performance automated solution specifically engineered for marine and offshore environments. ASTM B148 C95800 (Nickel-Aluminum Bronze) offers exceptional resistance to seawater corrosion, biofouling, and cavitation erosion. Equipped with a single-acting (spring return) pneumatic actuator, the valve ensures an automatic fail-safe position (Close or Open) upon loss of air supply. The trunnion-mounted design provides superior sealing and low operating torque, even under the high-pressure conditions typical of desalination and ballast systems. A-40 DIDTEKCTMSBV - Marine Engineering Pneumatic Single-Acting Alu

Product Parameters

Parameter Name	Parameter
Size Range	8''
Pressure Range	150LB
Material	C95800
Seal	Soft Seat: RPTFE
Temperature Range	-26°C~120°C
Design According	API 6D
Face to Face	ASME B16.10
End Flanges	ASME B16.5-2017
End Connection Type	RF
Fire Safety	API 6FA
Inspection and Test	API 598
Operate	Pneumatic Single-Acting
Body Type	Split Body
Type of Valve	Trunnion Ball Valve
Suitable Medium	Sea Water, Water, Steam, Oil and some corrosive liquid

Design Description

Superior Seawater Resistance: C95800 Aluminum Bronze forms a protective oxide layer that resists chloride-induced pitting and stress corrosion cracking.
Fail-Safe Automation (Single-Acting): The spring-return pneumatic actuator provides a mechanical safety guarantee, returning the valve to its default state if the control system fails.
Trunnion Stability for High Pressure: The fixed-ball design supports the ball via bearings, reducing the load on the seats and ensuring smooth operation in large-diameter marine lines.
Anti-Fouling Properties: The natural properties of copper alloys inhibit the growth of marine organisms (barnacles, algae) on the valve’s internal surfaces.
Marine Grade Protection: Actuators are typically finished with high-build epoxy or marine-grade coatings to withstand salt spray and high humidity.

Parameters

Brand	DIDTEK
Structure	Trunnion Ball
Material	Aluminum Bronze ASTM B148 C95800
Type	Cast Ball Valve
Test	100% quantity tested before delivery
Guarantee	18 months after shipments and 12 months after installed
Delivery	15 - 60 days
Sample	Sample Available by Didtek Valve
Color	Customer request
Packing	Plywood Case
MOQ	1 Set
Certificate	API6D, CE, UKCA, ISO9001, TS, EAC, ISO15848, TA-LUFT, API607, API6FA etc.
Place of Origin	Zhejiang, China (Mainland)
Delivery Detail	Shipped in 15-30 days after payment
Port	Shanghai Or Ningbo
Payment Terms	L/C,D/A,D/P,T/T, Western Union

Application & Function

Marine Engineering Pneumatic Single-Acting Aluminum Bronze C95800 Trunnion Ball Valve are widely utilized in demanding environments due to their superior material properties:

Shipbuilding & Marine: Ballast water systems, fire-fighting mains, and seawater cooling loops.
Desalination Plants: High-salinity brine intake and discharge control.
Offshore Platforms: Oil & Gas production platforms and FPSO seawater utility lines.
Coastal Power Plants: Circulating water systems for cooling condensers.