Ashcroft 80-81 - Isolation Rings Uživatelský manuál stáhnout pdf (Strana 9)

Step 3: Tighten the piping flange bolts to the locking nuts / washers on the opposite flange. Each should be

tightened by cross-bolting with the proper torque based as described in ASME PCC-1 on NPS, ANSI/ASME

Class rating, and gasketing used.

ASSEMBLY REMOVAL

IMPORTANT: In the event the assembly needs to be removed from process, follow the manufacturer’s rec-

ommended procedure to prevent possible injury and/or damage.

A. Confirm process has been shut down with process pressure relieved and piping drained, cleaned and

dried before installation and/or removal of product assembly.

B. Ensure the assembly is supported prior to removal of bolts/flanges.

IPE FLANGE

(NPS 4", CLASS 300 SHOWN)

ENTERING GAGE

ISOLATION RING

(

NPS 4", TYPE 80 SHOWN)

FLANGE BOLT

INSTRUMENT REMOVAL DEVICE

(NEEDLE VALVE SHOWN)

ASSEMBLY FLANGE

ASSEMBLY SCREW

FLEXIBLE LINER

SENSING FLUID

FILL PORT

CENTER BODY

FLANGE GASKET

FLANGE BOLT

6- ASSEMBLY REMOVAL

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Ashcroft 80-81 - Isolation Rings Uživatelský manuál Strana 9