GF Transition flange Series: 701 PP, glass filled Black Norm: ASME

• Connection dimensions in accordance with ANSI/ASME B 16.5, class 150
• Flange bore class 150

• Mounting method in accordance with ANSI/ASME B 16.5, class 150
  • Only use undamaged and clean products
  • 1 seal per connection
  • Mount the collar bushings completely parallel
  • Grease the nuts and bolts
  • Observe and mark the prescribed tightening sequence
  • Tighten to the specified torque in five steps:
    Hand-tight/wrench-tight, 30%, 60%, 100%, full check (clockwise)
  • Tighten the connections after pressing out

Tightening torque

ød	DN	Nm
1/2"	15	15
3/4"	20	15
1"	25	15
1.1/4"	32	15
1.1/2"	40	15
2"	50	30
2.1/2"	65	30
3"	80	40
4"	100	30
6"	150	50
8"	200	50
10" *	250	60
12" *	300	75

* Maximum operating pressure of 6bar in combination with flat seals

Tightening sequence

Number of bolts	Tightening sequence
4	1 - 3 - 2 - 4
8	1 - 5 - 3 - 7 - 2 - 6 - 4 - 8
12	1 - 7 - 4 - 10 - 2 - 8 - 5 - 11 - 3 - 9 - 6 - 12