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Marine Engineering Lip Seal Trunnion Ball Valve With Position Indicator

The Marine Engineering Lip Seal Trunnion Ball Valve with Position Indicator is an elite-tier flow control solution engineered specifically for harsh marine environments, offshore platforms, and floating production systems.

Model:
Q347F-150LB
Brand:
DIDTEK
Code:
TRBV-FTBV-056

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Marine Trunnion Ball Valve with Indicator Lip Seal Ball Valve for Offshore Position Indicator Ball Valve Manufacturer High Pressure Marine Ball Valve API 6D Offshore Ball Valve

Product Description

Product Parameters

Parameters

Application

Product Detail

The Marine Engineering Lip Seal Trunnion Ball Valve with Position Indicator is an elite-tier flow control solution engineered specifically for harsh marine environments, offshore platforms, and floating production systems. Built with a heavy-duty Trunnion-mounted fixed-ball design, it handles massive pressure differentials with minimal operating torque. The advanced Lip Seal technology—featuring self-energized, pressure-assisted sealing elements—provides exceptional bubble-tight integrity under cyclical marine conditions. Equipped with a high-visibility, robust Position Indicator, this valve allows operators to instantly and accurately verify the open/closed status from a distance, ensuring maximum operational safety during critical offshore processes.

Product Parameters

Parameter Name	Parameter
Size Range	8''
Pressure Range	150LB
Material	F316
Seal	Soft Seat: SS316+Graphite
Temperature Range	-40°C~200°C
Design According	API 6D
Face to Face	ASME B16.10
End Flanges	ASME B16.5
End Connection Type	RF
Fire Safety	API 607
Inspection and Test	API 598
Operate	Worm Gear
Body Type	Split Body
Type of Valve	Trunnion Ball Valve
Suitable Medium	Water, Steam, Oil etc

Design Description

High-Visibility Position Indicator: A robust, weather-proof mechanical position indicator provides clear visual feedback of the ball's orientation, eliminating operational guesswork in complex offshore piping layouts.
Self-Energized Lip Seal System: The spring-loaded or pressure-assisted lip seal design flexes dynamically under line pressure, ensuring continuous sealing contact against the ball even during pressure surges or thermal shocks.
Marine-Grade Construction: Fabricated from corrosion-resistant materials (such as Forged F316, Super Duplex, or Inconel-clad carbon steel) and protected with marine-grade coatings to withstand salt-spray and high humidity.
Trunnion-Mounted Stability: Fixed-ball configuration absorbs high pipeline thrusts and prevents seat deformation, making it ideal for large-diameter, high-pressure marine transmission lines.

Parameters

Brand	DIDTEK
Structure	Trunnion Ball
Material	Stainless Steel
Type	Forged 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 Lip Seal Trunnion Ball Valve With Position Indicator are widely utilized in demanding environments due to their superior material properties:

Offshore Production Platforms: Critical oil, gas, and utility line isolation where clear visual valve status is mandatory.
FPSO Topsides & Turret Systems: High-pressure export and production manifolds exposed to corrosive marine atmospheres.
Subsea & Marine Terminals: On-deck pipeline isolation requiring rugged mechanical indicators and reliable lip-seal integrity.