11-1
IM 01F06A00-01E
11. PRESSURE EQUIPMENT DIRECTIVE
11. PRESSURE EQUIPMENT DIRECTIVE
This chapter is described further requirements and notices
concerning the PED (Pressure Equipment Directive). The
description in this chapter is prior to other description in this
User’s Manual.
(1) Technical Data
Type of Equipment: Piping
Type of Fluid: Liquid and Gas
Group of Fluid: 1 and 2
Model
DY015
DY025
DY040
DY050
DY080
DY100
DY150
DY200
DY250
DY300
DY400
DN(mm)*
15
25
40
50
80
100
150
200
250
300
400****
PS(MPa)*
42
42
42
42
42
42
42
42
42
42
25
CATEGORY**
Article 3,***
Paragraph 3
Article 3,***
Paragraph 3
II
II
II
II
II
III
III
III
III
PS-DN(MPa-mm)
630
1050
1680
2100
3360
4200
6300
8400
10500
12600
10000
T110001.EPS
* PS: Maximum allowable pressure for Flow Tube
DN: Nominal size
** Referred to Table 6 covered by ANNEX II of EC
Directive on Pressure Equipment Directive 97/23/EC
*** DY015 and DY025 are not attached CE mark of PED
because they do not under CE mark of PED.
**** Special-order product
(2) Installation
WARNING
• Please tighten the bolts for piping-joint
according to the prescribed torque values.
• Please take measure to protect the flowmeters
from forces caused by vibration through piping.
(3) Operation
WARNING
• The temperature and pressure of fluid should be
applied under the normal operating condition.
• The ambient temperature should be applied
under the normal operating condition.
• Please pay attention to prevent the excessive
pressure like water hammer, etc.
When
water hammer is to be occurred, please take
measures to prevent the pressure from
exceeding PS(maximum allowable pressure)
by setting the safety valve, etc. at the system
and the like.
• When external fire is to be occurred, please
take safety measures at the device or system
not to influence the flowmeters.
• Please pay attention not to be abrade the
metal pipe, when the fluid to abrade the lining
such as slurry and sand are contained.