Type 8648VRS

Garniture en élastomère sans ressort

Type 8648VRS is a standardized non-pusher elastomer mechanical seal using patented technology, designed specifically for difficult hydrocarbon oil pipeline applications. It is designed specifically with a focus on meeting the demanding requirements of pipeline pumping station duties. Available as a single, dual pressurized or dual unpressurized arrangement, without outboard seals also incorporating the same non-pusher technology, the seal can be configured to suit both the operator and pipeline needs.

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Caractéristiques
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Caractéristiques

California Residents: PROPOSITION 65 WARNING
Unique patented secondary seal technology prevents wear to the sealing diameter and prevents secondary seal hang up
Non-compressible flexible elastomer bellows avoids fretting under pump shuttling
Robust Ear drive — primary ring incorporates optimized ear drive design for increased drive torque capability
Balanced design – balanced construction, including anti-extrusion ring, permits use in the most demanding high-pressure pipeline duties
Rotating mating ring design — enhances cooling and permits use at higher shaft speeds
Premium seal face materials — permits sealing of difficult services at high operating pressures
High-shore elastomer for lack of deformation and robust construction
Axially compact and easy to install seal head assembly
Static reverse pressure capability on the inboard seal of the dual pressurized configuration
Laser face grooved mating ring for use on flashing hydrocarbons

Paramètres

Temperature Limits: -4°F to 400°F / -20°C to 204°C
Speed Limits: 5,000 fpm/25.3 m/s (Crude)
6,000fpm/31.5m/s (Non-Crude)
Pressure: Dynamic Pressure (Single Seal): Up to 1,450 psi(g)/100 bar(g) (Crude)
Dynamic Pressure (Single Seal): Up to 1,300 psi(g)/90 bar(g) (Non-Crude)
Dynamic Pressure (Dual Seal): Up to 1,750 psi(g)/120 bar(g) (Crude)
Static Pressure: Up to 2,200 psi(g)/152 bar(g) (Crude)
Static Pressure: 2,000 psi(g)/138 bar(g) (Non-Crude)