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D771X: Modular Hydraulic Butterfly Valve Platform (Hydraulically Actuated)
The D771X Series represents a new standard in integrated valve automation. By pairing our high-performance butterfly valves with the T, S, or D series hydraulic actuators, INJOY provides a modular system that adapts to your specific environment. Whether for space-constrained engine rooms or high-pressure subsea manifolds, the D771X ensures precision control and long-term durability.
Body: EN-GJS400-15 (Option: C95800)
Stem: SS420 | Disc: C95800 (Option: 2205)
Seat: EPDM (Option: NBR, FKM)
Coating: C5-M
Sizes: DN50 – DN600
Pressure: PN10, PN16 | Flange: EN1092-1
Actuator: BS EN 15714-4, IP68
Oil Viscosities: 15 ~ 46cST/40°C
D771X-T: Rapid Response. C4-M coating. Optimized for symmetric torque and engine room efficiency.
D771X-S: Fail-Safe Security. C5-M Coating. 50m Depth Rated for ballast tank automation.
For ultra-high pressure or special subsea requirements (330m+), please contact our technical team for custom D-series solutions.
Optional PFB Feedback Module
Every D771X configuration can be equipped with our PFB module, providing 0-100% real-time position confirmation for centralized bridge or engine room control. Our native integration ensures that the actuator and feedback system operate as a single, high-integrity unit.
Triple-Layer Defense
Proprietary Solid-State Encapsulation and redundant internal sealing; ensures bone-dry operation under extreme hydrostatic pressure and condensation.
German P+F Precision
Integrated with premium Pepperl+Fuchs analog sensors for continuous 4-20mA position visibility.
Heavy-Duty Construction
Cast in C95800 Nickel-Aluminum Bronze with 316L Stainless Steel interfaces; immune to seawater corrosion and biofouling.
Operational Depth
IP68 Rated and system-verified for depths up to 330 Meters / 1,083 Feet (D-Series with Bronze Top Cap). We offer tiered testing for T-Series (5m) and S-Series (50m) to match your specific offshore requirements.
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