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- Two support rings with replaceable orifice disk form A, B or D (see types of primary differential pressure devices in "Technical description", "Function"); see Ordering data for materials
- Graphite gasket with noncorrosive metal foil insert between orifice disk and support ring outlet
Overall length
65 mm to DIN 19205
Nominal diameters
EN: DN 50 to DN 1000
ASME: 2 inch to 40 inch
Nominal pressure
EN: PN 6 to PN 100
ASME: class 150 to 600
Sealing face to the mating flanges
- Plane, sealing face turned, N10/N12 to DIN ISO 1302
- Plane, sealing face turned, N8 to DIN ISO 1302
- Plane, RF (raised faced) for version to ASME
Tapping sockets
For the dimensions of the following tapping sockets, see "Function":
- With connection thread G DIN ISO 228/1, connection dimensions to DIN 19207 form V
- With threaded connection -14 NPT male, for version to ASME
- With O 12 mm pipe connection for pipe union with ferrule
- With welding connection O 21.3 mm
See "Technical description" and "Function" for position of the tapping sockets.