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Duvalco – Dutch Valve Manufacturer and Distributor » Product » Butterfly Valve » Eccentric & Double Eccentric
NSJ Series – Replaceable Seat ring
Replaceable seat ring, Semi Lug, Full Lug, Double Flange
NSJ series
The NSJ has an eccentric design.
The dex series have a double eccentric design. Seat ring exchange
is extremely simple and does not require removal of the actuator.
100% tight shut off up to 16 bar with the preferred direction of flow.
The preferred direction of flow is indicated on the body.
Applicable for all kinds of industries but specially designed as cargo or ballast valve.
General product specifications
- Overall design generally in accordance to BS EN-593
- Face to face dimension in accordance to manufacturer standard
- Actuator flange and shaft end in accordance to ISO-5211
- Working pressure from 0.1 bar absolute up to 25 bar (body test 32 bar)
- DN100 – DN1200
- Flange connection to JIS 5K, 10K, 16K, DIN PN10, PN16, PN25 or ASME class 150
- Other executions on request
Download Datasheet
Double Flange (ESJ)
ESJ
Duvalco double flange eccentric type butterfly valve are designed to the requirements of BS EN 593 and are of eccentric design which gives positive leakproof shut off on rubber to metal faces.
General product specifications
- Overall design generally in accordance to BS EN 593
- Face to face generally in accordance to EN 558 Series 13 (BS), Series 14 (DIN F4).
- Flanged Connections to PN10, PN16, ANSI Class 150
- Working Pressure Standard – up to PN16
- PN25 Upon request
- DN100-DN2000
- Other type of connection on request
- Bigger size range on request. (DN2100-DN3000)
Download Datasheet
