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Supplier: Qualitrol Company, LLC
Description: Medium Pressure Relief Device (MPRD) is designed for over-pressure conditions on oil filled transformers, load tap changers, and other related electrical apparatus. Features Uniquely designed tip/side gasket that seals under repeated operations Up to 2 switches for
- Media: Gas
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Supplier: Qualitrol Company, LLC
Description: Mechanical over pressure protection device with integrated directional discharge outlet. Provides pressure relief and insulating fluid containment (requires optional piping) on transformers and load tap changers during over pressure conditions. Automatically
- Media: Gas
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Supplier: Qualitrol Company, LLC
Description: Mechanical over pressure protection device provides pressure relief on transformers during over pressure conditions, automatically resealing once pressure has fallen. Available with a stainless steel pull ring to allow for manual operation. Optional port
- Media: Gas
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Supplier: Qualitrol Company, LLC
Description: Mechanical device for relief of excessive pressure buildup in large volumes of gas or fluid. Patented dual gasket system provides quick response time and automatically reseals after pressure has subsided. Options include local operation indication, contacts (switches) for
- Media: Gas
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Supplier: Eaton Cooper Power Systems
Description: -scribed anodized aluminum nameplate One-inch drain valve with sampling device in low-voltage compartment (45-7500 kVA) One-inch upper fill plug Automatic pressure relief device 20" Deep cabinet (45-1000 kVA) 24" Deep cabinet (1500-7500 kVA) 30
- Maximum Primary Voltage Rating: 2400 to 46000 volts
- Maximum Secondary Voltage Rating: 120 to 14400 volts
- Mounting / Form Factor: Pad-Mounted
- Power Rating (VA): 45000 to 1.00E7 VA
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Supplier: Eaton Cooper Power Systems
Description: -type thermometer Dial-type liquid level gauge Pressure vacuum gauge Cover mounted automatic pressure relief device Pressure test connection 1” upper fill plug with filter press connection 1” drain valve with sampler combination (2500 k
- Mounting / Form Factor: Pad-Mounted
- Transformer Category: Power / Power System / Distribution Transformer
- Type: High-Voltage Transformer, Power Transformer, Substation Transformer
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Supplier: Eaton Cooper Power Systems
Description: relief device Pressure test connection 1” upper fill plug with filter press connection 1” drain valve with sampler combination (2500 kVA and below) 2” drain valve with sampler (over 2500 kVA) 1” upper filter valve (over 2500 kVA) Painted using ANSI #61 Light Gray;
- Maximum Primary Voltage Rating: 5000 to 35000 volts
- Maximum Secondary Voltage Rating: 120 to 15000 volts
- Mounting / Form Factor: Other
- Power Rating (VA): 0.0100 VA
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Supplier: Eaton Cooper Power Systems
Description: automatic pressure relief device Pressure test connection 1” upper fill plug with filter press connection 1” drain valve with sampler combination (2500 kVA and below) 2” drain valve with sampler (over 2500 kVA) 1” upper filter valve
- Maximum Primary Voltage Rating: 2400 to 34500 volts
- Maximum Secondary Voltage Rating: 120 to 14400 volts
- Mounting / Form Factor: Pad-Mounted
- Power Rating (VA): 500000 to 1.00E7 VA
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Supplier: Chromalox
Description: Elements One or Two Operating Controls Manual Reset High Limit Mechanical Float Water Feed Control with Low Water Cutoff Pressure Gauge, Water Level Sight Glass and Blow Down Drain Valve(s) ASME Safety Relief Valve Optional Transformer Third-party certifications:
- Features: ASME Certified, Monitor / Controller, Safety Valve, Skidded / Packaged
- Fuel Type / Heat Source: Electric
- Heat Output (Capacity): 20471 to 614125 BTU/hr
- Maximum Pressure: 135 psi
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Supplier: Sussman Electric Boilers
Description: Heating Freeze Protection Hot Water Supply Standard Features: Fully insulated ASME coded & stamped Carbon Steel pressure vessel, Code H, 160 PSIG National Board registered ASME safety relief valve set @ 150 PSIG NPT
- Features: ASME Certified, Commercial / HVAC, Safety Valve
- Fuel Type / Heat Source: Electric
- Heat Output (Capacity): 40942 to 6.14E6 BTU/hr
- Maximum Pressure: 160 psi
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Supplier: Lift Products, Inc.
Description: stripes on toeguards Chrome-plated cylinder piston rods and axles Surfaces degreased, oxide primed & finished Lifetime self-lubricating, antifriction bearings Internal high-pressure gear pump Check, relief, flow control & solenoid valve Suction
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Supplier: Lift Products, Inc.
Description: pressure. Magnet backed up/down push button control station with 10' straight cord. NEMA - 1 prewired controls and electrical connectors. Control box contains contactor and control transformer. High quality fit and finish Cylinders with internal stops. 10
- Lift Mechanism: Scissor Lift
- Lift Type: Table Lift / Positioner
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Supplier: Lift Products, Inc.
Description: duty TENV super torque motor 115V operating control voltage NEMA constant pressure magnet backed up-down push button control station NEMA-1 prewired controls and electrical connectors Control box contains contactor, control transformer, thermal overload and fuse
- Lift Mechanism: Scissor Lift
- Lift Type: Table Lift / Positioner
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Supplier: Lift Products, Inc.
Description: . Surfaces degreased, descaled and finished with Safety Yellow and Blue enamel. Smooth steel top with yellow and black safety strips. Internal gear pump with check valve, relief valve, solenoid valve. Includes hydraulic oil and filter. Options
- Lift Mechanism: Scissor Lift
- Lift Type: Table Lift / Positioner
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Supplier: Caterpillar Oil & Gas
Description: applications - Core engine components designed for reconditioning and reuse at overhaul Safety - E-stop pushbutton on instrument panel - Air shutoff and explosion relief valves - Configurable alarm and shutdown features - Extra alarm switches available for customer-supplied inputs
- Applications: Industrial
- Frequency: 50 Hz
- Fuel Type: Natural Gas
- Portability: Permanent
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When the difference between downtime and uptime can make or break your business, you want gear that’s just as tough as the problems you solve. That’s where Blacoh’s pressure relief and back pressure valves come in (read more)
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The TT7120/8120 series exhalation pipeline breather valve serves as a critical component in discharge outlet piping, ensuring efficient pressure and vacuum relief for various applications. This valve is particularly suited for discharging, recycling, and processing toxic or hazardous media (read more)
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The Blacoh Online Shop is open 24/7.
Browse, compare, and order the fluid control solutions you trust. On your schedule, on your terms.See our options
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Browse Pressure Relief Valves Datasheets for Blacoh Fluid Control, Inc. -
Lee Pressure Relief Valves are specifically designed to be the smallest valves available for safety relief applications. The smallest is only 3/16" in diameter and just over 1/2" long, and weighs only 1.5 grams. Seven different types are available, offering a wide range of (read more)
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Type SRH High Capacity Safety Relief Valves are designed and constructed to meet the requirements of Section VIII ASME Boiler and Pressure Vessel Code and ANSI/ASHRAE 15 Code requirements and bear the ASME Code Symbol (UV). Employing proven principles of design, these Safety (read more)
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Pressure Relief Valves—also called safety valves, bypass valves, pump relief valves, or pump safety valves—protect pumps, systems, and tanks from excessive pressure. Prevent damage, reduce the risk of cavitation, and increase personnel wellbeing with this essential safety component. (read more)
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ThermOmegaTech®, the leading manufacturer of thermostatically controlled valves and actuators, is excited to introduce a brand-new product, the Thermal Bypass Valve with Pressure Relief (read more)
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Protect Storage Tanks with TT7100/8100 Series Relief Valves The TT7100/8100 Series high-capacity pressure/vacuum relief valves are engineered for large-volume discharge applications, providing robust protection (read more)
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for low flow pressure relief applications. Working temperature is -65 °F to +275 °F and the cracking pressure is preset at the factory with capabilities ranging from 800 psid up to 4700 psid. Each Zero Leak PRI is 100% tested and inspected to ensure reliable, consistent performance. Product Data Sheet Relief Valve Intro (read more)
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For greater system design flexibility and increased productivity, specify the EBV(T)-PR Ball Valve with Integrated Pressure Relief. This compact solution eliminates the check valve and associated brazing involved when piping a ball valve and check valve in parallel to protect a system from over (read more)
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Indicates content that may require registration and/or purchase.
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Handbook of Switchgears > GENERATOR PROTECTION
• Generator transformer pressure relief valve protection; .
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Successful Cold Shutdown of Onagawa: The Closest Nuclear Power Station to the March 11, 2011, Epicenter
… fixed blades, lifting of turbine pedestals, sloshing of spent fuel pool (SFP) water, falling of ceiling material debris into the SFP, flooding of the discharge water radiation monitor system (which was located in the harbor), and actuation of transformer pressure relief valves .
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Specification Issues Associated with the Development of an Agriculturally Based Biodegradable Dielectric Fluid
… been used for many years in mineral oil filled transformers with a high tendency toward oxidative degradation, such as distribution transformers, which may take on oxygen when pressure buildup due to stressing the transformers causes pressure relief valves to open, briefly allowing …
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Design Of Distribution Transformers And Substations
Such transformers incorporate a pressure relief valve which would operate in the event of an internal fault, tripping the Kv circuit breaker.