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Maximum working pressure
Nominal size Stainless 316 and Alloy 20 Hastelloy C
1” (DN 25) 210 psi (14.3 bar) 210 psi (14.3 bar)
1½” (DN 40) 210 psi (14.3 bar) 210 psi (14.3 bar)
2” (DN 50) 150 psi (10.3 bar) 210 psi (14.3 bar)
3” & 4” (DN 80 & DN 100) 120 psi (8.3 bar) Not applicable
For one -time eld test only, the maximum joint working pressure may be increased to 1½ times the gures shown.
Bending moments (coupled assembly)
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Operating temperature range
Fluoroelastomer –20° to +230°F
(Viton®) or EPDM seals (–29° to +110°C)
PTFE seals
+20°F to +230° F
(–7° to +110°C)
Contact Dry Link for higher or lower temperature limit requirements.
Wetted metal parts
Standard
All 316 stainless steel
ASTM A351, Grade CF8M
Optional
Alloy 20
ASTM A351, Grade CN7M
Optional
Hastelloy C
ASTMA494, Grade CW2M
Disc is electroless nickel plated to reduce galling.
Seals
Fluoroelastomer Typically used for oxidizing acids, petroleum oils, halogenated
(FKM, Viton®) hydrocarbons, lubricants, hydraulic fluids, or organic liquids.
EPDM Typically used with dilute acids, ketones, or alcohol.
PTFE Typically used with most chemicals and solvents.
Perfluoroelastomer Typically used for higher temperatures
(FFKM/Chemraz®/Kalrez®) and for fluids that have suspended grit.
For special applications and optional materials, please contact Dry Link.
Vacuum
Tested to 28” (711 mm) Hg vacuum in all
positions without leakage.
6.0
4.0
2.0
1.0
0.6
0.4
0.8
0.2
0.1
5 10 20 30 40 60 80 100 200 300 400 600
PRESSURE DROP - psi
FLOW RATE - gpm
1“ 11/2” 2” 3”&4”
6.0
4.0
2.0
1.0
0.8
0.6
0.4
0.2
0.1
5 10 20 30 40 60 80 100
PRESSURE DROP - psi
FLOW RATE - gpm
1“
11/2”& 2”
Hastelloy C
Stainless Steel 316 and Alloy 20
If your art passes the blue line, it should also extend to the red line.
If your art passes the green line, it may get clipped off.