Baker Hughes Masoneilan 525 Seris, Инструкция по эксплуатации

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Masoneilan Regulators Models 525 & 526 Manual | 8
Copyright 2020 Baker Hughes Company. All rights reserved.
Figure 5: Bolt Tightening Sequence
Valve Size
ANSI Class
Bolting
Requirements
Torque Requirements
Minimum Maximum Pre-Load
inch mm Qty Size (inch) Lbs.Ft N.m Lbs.Ft N.m Lbs.Ft N.m
¾ 20
150 & 300 6 ½"-13NC-2A 25 34 55 75 5 7
600 6 ½"-13NC-2A 25 34 55 75 5 7
1 25
150 & 300 6 ½"-13NC-2A 25 34 55 75 5 7
600 6 ½"-13NC-2A 25 34 55 75 5 7
1½ 40
150 & 300 6 ½"-13NC-2A 25 34 55 75 5 7
600 6 ½"-13NC-2A 25 34 55 75 5 7
2 50
150 & 300 8 ½"-13NC-2A 25 34 55 75 5 7
600 8 ½"-13NC-2A 25 34 55 75 5 7
3 80
150 & 300 8 5/8ʺ-11NC-2A 45 61 89 120 10 14
600 8 5/8ʺ-11NC-2A 45 61 89 120 10 14
4 100
150 & 300 8 ¾ʺ-10NC-2A 80 108 170 230 20 27
600 8 ¾ʺ-10NC-2A 80 108 170 230 20 27
Notes:
1. Do not exceed Maximum Torque values listed.
2. Tighten in increments until required torque levels are reached.
3. Reject assembly if metal-to-metal contact is not achieved after reaching Maximum Torque.
4. Torque requirements shown are for standard B7 studs and 2H nuts.
Stem.
Dia.
Hole Dia. “A” “B” “X”
inches in mm in mm in mm
1/2 0,188 4,78 1,250 31,75 0,50 12,7
5/8 0,219 5,56 1,562 39,67 0,62 15,7
3/4 0,250 6,35 1,875 47,63 0,75 19,1
1 0,312 7,92 2,500 63,50 1,00 25,4
Figure 4: Bolt Pinning Dimensions