Orifice plate with annular chambers consisting of two support rings with replaceable orifice disk form A or B (see types of primary differential pressure devices in "Technical description", "Function"); flanged between inlet and outlet pipe sections with lengths according to DIN 19205.

Nominal diameters

• EN: DN 10 to DN 50
• ASME: ? inch to 2 inch

Nominal pressure

• EN: PN 10 to PN 100
• ASME: class 150 to 600

Sealing face of the end 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 versions to ASME

Tapping sockets

(For the dimensions of the following tapping sockets, see page 3/..)

• 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

For length of tapping sockets for all metering pipe L = 120 mm and position of tapping socket, see "Technical Description" and "Function".