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產(chǎn)品名稱：Keystone Dubex – RMI AWWA Butterfly Valves
產(chǎn)品型號：Keystone Dubex – RMI AWWA Butterfly Valves
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Keystone Dubex – RMI AWWA Butterfly Valves Double-flanged, triple eccentric, resilient seated valve designed for services in the water industry. 雙法蘭，三偏心，彈性座閥在水行業(yè)服務(wù)設(shè)計(jì)的。

詳情介紹：

Keystone Dubex – RMI AWWA Butterfly Valves
Double-flanged, triple eccentric, resilient seated valve designed for services in the water industry.

雙法蘭，三偏心，彈性座閥在水行業(yè)服務(wù)設(shè)計(jì)的。

Keystone Dubex – RMI AWWA Butterfly Valves

Description
Specifications
Documentation

Double-flanged, triple eccentric, resilient seated valve designed for services in the water industry.

Features & Benefits:

Triple eccentric design:
- 1st offset: center line of the resilient disc seal is offset from the center line of the shafts
- 2nd offset: the center line of the shaft is offset from the valve body
- 3rd offset: the Keystone Dubex – RMI body seat landing surface has the shape of an oblique cone with the ground surface perpendicular to one side of the cone
Triple eccentric design, along with a resilient disc seal, ensures bi-directional drop-tight shutoff per the AWWA C504 specifications.
In-line replaceable resilient disc seal.
Fully rated dead end service.
Standard body seating surface is ductile iron with Epoxy lining (Epasfill). Alternative seating surfaces such as stainless steel are available on request.
Dry shaft option available.
Axial bottom shaft bearing carrying the disc weight when installed with shaft in vertical position and ensuring accurate centering of the disc assembly.
Reversed V-shaped packing for vacuum applications.
Open brackets for packing access and adjustments are available on request.
Self-lubricating bearings are PTFE lined. Alternative bushing materials are available on request.
Horizontal or vertical shaft mounting.
Low head loss, suitable for throttling services.
Face-to-face:
- According AWWA C504-06 short
- Above 72": manufacturer standard
- Alternative face-to-face dimensions on request
AWWA POD (Proof Of Design) certificates for valves and gear units available.
Clockwise closing, optional counter clockwise closing.
Suitable for manual gear, electric, hydraulic and pneumatic actuation.
Self-adjusting V-shaped shaft packing available.
Performance testing in compliance with AWWA C504 requirements.
Valves are cycle tested as per AWWA C504 requirements.

Specifications

Applications:
Drinking water pump station and transportation/distribution
Waste water effluent and treatment plants
Reservoirs, circulating water systems
Desalination plants
Cooling water systems (power plants, general industry)

Certification:
AWWA, NSF 61 on applied materials WRC/NSF

Technical Data
Sizes: 6" to 160"

Pressure: 6" to 48" – 350 psi
up to 86" – 250 psi
up to 120" – 150 psi
above 120" – contact sales

Temperature: 0 to 220°F

Flange accommodation: as per AWWA C504 flat face (raised face optional)

Drilling:
6" to 72" – ASME B16.1
above 72" – AWWA C207, class D
Other drillings on request

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產(chǎn)品名稱：Keystone Dubex – RMI AWWA Butterfly Valves

Keystone Dubex – RMI AWWA Butterfly Valves

Features & Benefits: