During severe thunderstorms when power grid loads surge dramatically, transformers face critical pressure spikes that could lead to catastrophic explosions without proper safety mechanisms. SUKRUT pressure relief valves (PRVs) serve as the last line of defense for electrical systems, preventing costly damage and ensuring operational safety.
SUKRUT India specializes in engineering premium PRV solutions for the power industry. These valves activate at predetermined pressure thresholds to protect sealed transformers, load tap changers, and oil-filled tanks from dangerous overpressure conditions during electrical faults.
Comprehensive Product Lineup
Model 1: Economy Brass PRV
Designed for small tanks and sealed transformers, this cost-effective solution offers:
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Compact 1-inch BSP installation interface
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Weather-resistant protective cap
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Precision-calibrated stainless steel spring mechanism
Technical Specifications:
Pressure setting: 0.3-0.8 kg/cm²
Operating temperature: -10° to +115°C
Port size: 1-inch BSP
Model 2: Full Stainless Steel PRV
Engineered for harsh outdoor environments in distribution and traction transformers:
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All-stainless construction for maximum corrosion resistance
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Field-proven reliability across diverse operating conditions
Technical Specifications:
Pressure setting: 0.3-0.8 kg/cm²
Operating temperature: -10° to +115°C
Port size: 2-inch BSP
Model 3: PRV with Limit Switch
Critical equipment protection featuring alarm signaling capability:
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Weatherproof stainless steel housing
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Teflon-coated stainless steel diaphragm
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Configurable switch contacts (1NO+1NC or 2NO+2NC)
Technical Specifications:
IP-67 protection rating
C4-M & C5-M corrosion protection
Model 4: Lightweight Aluminum PRV
High-efficiency design with thermal management features:
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Triple louver system for rapid oil discharge
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Oversized IP-rated terminal box for easy maintenance
Model 5: PRV with Indicator Flag and Oil Deflector
Enhanced visibility and contamination prevention:
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Visual indicator flag for immediate status recognition
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Integrated oil containment system
Model 6-8: Advanced PRV Series
Progressive enhancements including reinforced construction and upgraded materials for mission-critical applications.
Model 9: High-Flow Rapid Discharge PRV
Large-capacity solution for power transformers:
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6-inch discharge port for maximum flow capacity
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Internally mounted limit switch for protection
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Multiple connection options (angled plug/socket or cable gland)
SUKRUT's comprehensive PRV portfolio addresses the full spectrum of power system protection requirements, combining precision engineering with robust construction to ensure reliable operation under the most demanding conditions.
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