Page 139 - GarlockFluidSealing2010

Gasket Selection By
Flange Type
Flange Surface Finish
Recommended Values
Spiral Wound Gaskets . ............................. 125-250 rms
GRAPHONIC® Gaskets. ............................ 125-250 rms
Kammprofle Gaskets................................. 125-250 rms
Jacketed or Metal Clad Gaskets ................... 63-80 rms
Solid Metal Gaskets ...................................... 63-80 rms
Note:
These values are suggested only and not mandatory; however they are
based upon the best cross-section of successful design experience cur-
rently available.
RW- RWI- HEAT
RW RWI EDGE®TANDEM SW MC MCR HH RJ RJ LMF LTG STG SHIELD™
Flat Face ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦
Raised Face ¦ ¦ ¦ ¦ ¦ ¦
Ring Joint ¦ ¦
Male-Female ¦ ¦ ¦ ¦ ¦
Tongue-&-Groove ¦ ¦ ¦ ¦
Groove-to-Flat ¦ ¦
The surface fnish of a fange is described as fol-
lows:
Roughness
¦Average of peaks and valleys measured from mid-
line of fange surface (in millionths of an inch)
¦Expressed as rms (root mean square) or AA
(arithmetic average) or AARH (arithmetic average
roughness height)
Lay
¦The direction of the predominant surface-rough-
ness pattern
¦Example: multidirectional, phonographic spiral ser-
rations, etc.
Waviness
¦The departure from overall fatness
¦Measured in thousandths or fractions of an inch
D-21
WARNING:
Properties/applications shown throughout this brochure are typical. Your specifc applica-
tion should not be undertaken without independent study and evaluation for suitability.
For specifc application recommendations consult Garlock. Failure to select the proper
sealing products could result in property damage and/or serious personal injury.
Performance data published in this brochure has been developed from feld testing,
customer feld reports and/or in-house testing.
While the utmost care has been used in compiling this brochure, we assume no respon-
sibility for errors. Specifcations subject to change without notice. This edition cancels
all previous issues. Subject to change without notice.