Flowserve U/D Series Pusher Seal

Name: Flowserve U/D Series Pusher Seal
Brand: Flowserve
SKU: flowserve-452

رقم القطعة: flowserve-452

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الوصف

UC Series seals are balanced pusher seals with a substantial single coil spring that provides exceptional performance in the most demanding services including refineries, pipelines, and petrochemical services. UC seals are fully compliant with API 682, Type A requirements. D Series seals are based on the UC Series, and add a pumping ring built into the rotating seal face body that establishes an exclusive Plan 23 cooling chamber around the seal faces. D Series seals excel in high temperature boiler feed water and hot hydrocarbon services. Features and benefits: - Extended service life in heavy-duty services assured by rugged single pusher seal with thick cross section components - Increased reliability via large, low spring rate single coil spring that tolerates axial setting dimensions while reducing opportunity for clogging and hang-up from solids - Consistent seal face contact provided by robust U-cup seal and spring holder - Low-emissions performance enabled by silicon carbide rotating face mounted on graphite ring in UC and UCQ seals, preventing shrink fit distortions and sustaining a flat seal face - High pressure performance in UO, UOP, D, and DP seals enabled by silicon carbide rotating face mounted on O-ring, preventing shrink fit distortions and sustaining a flat seal face - Cost-effective operation ensured by integrated pumping ring in D and DP seals that establishes an exclusive Plan 23 cooling chamber around the seal faces and eliminates the expense of cool injection systems

المواصفات

Brand line	Flowserve
Standards	API 682
Speed	up to: 23 m/s (75 fps)
Sizes	14.1 to 148 mm (0.566 to 5.838 inch)
Arrangement 2 unpressurized dual seal with dry running backup (Common Piping Plans 72, 75, 76)	UCQ/GSL; UOP/GSL
Arrangement 1 single seal (Common Piping Plans 11, 13, 32, 62)	UC; UCQ; UO; UOP
UC	up to 27.6 bar (400 psi)
UO and D	up to 68.9 bar (1000 psi)

كل المواصفات (12)

UOP and DP	up to 103.4 bar (1500 psi)
U Series	-40 to 204°C (-40 to 400°F)
D Series	-73 to 343°C (-100 to 650°F)
Arrangement 1 single seal (Common Piping Plan 23)	D; DP