Pipeline ancillaries
Sight glasses
7.9.1
ISO 9001
Steam
saturation
curve
TI-P022-05
ST Issue 4
Cert. No. LRQ 0963008
Single Window
and Double Window
Sight Glasses
Single window
4
5
3
2
1
Double window
4
3
5
2
1
Description
5
4
3
2
Pressure / temperature limits
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A range of single and double window sight glasses available in
either brass or bronze depending on size with screwed connections.
Standards
This product fully complies with the requirements of the European
Pressure Equipment Directive 97/23/EC.
Certification
These products are available with certification to EN 10204 2.2.
Note: All certification / inspection requirements must be stated at
the time of order placement.
Sizes and pipe connections
Single window
3
/
8
"
,
1⁄2", 3⁄4" and 1" screwed BSP or NPT.
Double window 1⁄2", 3⁄4", 1", 11⁄4", 11⁄2" and 2" screwed BSP or NPT.
Pressure bar g
The product must not be used in this region.
Body design conditions
PMA Maximum allowable pressure @ 90°C
TMA Maximum allowable temperature @ 3.5 bar g
Minimum allowable temperature
PMO
Maximum operating pressure
for saturated steam service
TMO Maximum operating temperature
Minimum operating temperature
Note: For lower temperatures consult Spirax Sarco.
Designed for a maximum cold hydraulic test pressure of:
PTMX Maximum test pressure (steam service)
PN5
5 bar g
148°C
-29°C
3.5 bar g
148°C
0°C
7 bar g
3.5 bar g
Material
No. Part
1 Body
2 Bezel
Material
3 Window
4 Top gasket
5 Bottom gasket
EN 12165 CW617N
BS EN CC491K
EN 12165 CW617N
BS 3463
1⁄2" to 1"
11⁄4" to 2"
Brass
Bronze
Brass
Toughened soda lime glass
Reinforced exfoliated graphite
Reinforced exfoliated graphite
Local regulations may restrict the use of this product to below the conditions quoted.
In the interests of development and improvement of the product, we reserve the right to change the specification.
© Copyright 2004
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