MOR Seal Support System with API Plan 11/12, 21/22, 32, 52, 53A, 53B, 53C, 72,74

MOR API Seal Support Systems are high-end sealing solutions designed for rotating equipment such as pumps, compressors, and turbines. They are core-compliant with strict standards of the American Petroleum Institute (API), focusing on API 52 seal plan andAPI 53 seal plan (including API 53b seal plan and API Plan 53C). Meanwhile, they fully adhere to industry benchmarks like API 682 (4th Edition) for centrifugal and rotary pump shaft seal systems, API 617 for compressors, and API 614 for lubricating shaft seal systems. By integrating seal chambers, flush plans, barrier/buffer fluid circuits, and control panels, the systems achieve stable sealing in the oil and gas, petrochemical, and power generation sectors, reduce leakage of process fluids and gases, and enhance equipment safety and operational efficiency.

Cooling: Dissipates frictional heat from seal faces to avoid thermal degradation, dry-running, and material damage.

Lubrication: Maintains a stable, clean fluid film between seal faces to minimize wear and friction.

Flushing: Removes solid particles, sludge, and contaminants from the seal chamber to prevent abrasion.

Pressure Control: Regulates seal chamber pressure to prevent process fluid leakage or atmospheric ingress.

Barrier/Buffer Protection: Isolates seals from corrosive, toxic, or high-temperature process fluids using dedicated barrier/buffer media.

Plan 11/12: Internal recirculation flush from pump discharge (with/without strainer).

Plan 21/22: Cooled flush with external heat exchanger.

Plan 32: External clean fluid flush for dirty/abrasive services.

Plan 52: Unpressurized buffer fluid system for dual seals.

Plan 53A/B/C: Pressurized barrier fluid systems (nitrogen/accumulator pressurized).

Plan 72/74: Gas buffer/barrier systems for hazardous or dry applications.

(1) Plan Customization
Based on equipment types (pumps/compressors/turbines) and operating conditions (pressure/temperature/fluid properties), parameters of API 52 seal plan and api 53 seal plan (including API 53b seal plan and API Plan 53C) are customized.

(2) Material Customization
For corrosive and high-temperature environments, materials for seal chambers and seals (such as corrosion-resistant metals and high-temperature-resistant materials) are customized to meet the needs of plans like api 53b seal plan.

(3) Standard Adaptation Customization
According to project requirements, system configurations compliant with standards such as API 682 and JB/T 8723-2008 are customized to ensure compliant project implementation.

(4) Service Support
On-site operating condition assessment is provided to help determine the adaptability of API 52 seal plan and API 53 seal plan; installation guidance and after-sales maintenance are offered to ensure long-term stable operation of the system.

System Types

1. Single Seal Support Systems

Flush Systems: Direct fluid injection to cool, clean, and lubricate single seals.

Quench Systems: External fluid (water/steam) applied to the seal's atmospheric side to prevent crystallization or hazardous vapor release.

2. Dual Seal Support Systems

Buffer Systems (Unpressurized): Use a secondary fluid between two seals; collects leakage and provides lubrication.

Barrier Systems (Pressurized): Maintain barrier fluid at higher pressure than process fluid to zero process leakage; used for toxic/critical services.

3. Gas Support Systems

Dry Gas Seals (DGS) Support: Supply clean, dry inert gas (nitrogen) for non-contacting seals in high-speed or gas-handling equipment.

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