Ashcroft 510, 511 Specifications
Data Sheet
510/511 All Welded Diaphragm Seal
FEATURES
Compact design allows seals to fit in confined areas
Sufficient displacement to drive a wide variety of
instrumentation
Minimal fill volume
All stainless steel construction; other materials
available
Light weight design
TYPICAL USES
Oil and gas
Refineries (Hydrofluoric / Sulfuric Alkylation)
Chemical and petrochemical
Water and wastewater
Oil and gas fracking
NACE Compliant processes (sour gas separation)
Biogas and biodiesel
Corrosive processes
SPECIFICATIONS
Connection Style: 510: Threaded
511: Threaded with Flushed Connection
Process Connection
Size:
Instrument Connection
Size:
Pressure Rating
(MAWP):
Added Tolerance: ±0.5% typical
Fill Fluid: Glycerin, Silicone, Halocarbon®, Syltherm
Approvals:
WETTED COMPONENTS
Diaphragm Lower Housing
316L SS
Hastelloy® C-276
Monel® 400
Duplex 2205
NON-WETTED COMPONENTS
316 SS, Hastelloy® C-276, Monel® 400, Duplex 2205
1
⁄2 NPT Male
1
⁄2 NPT Female
Vac. to 1,500 psi at 100°F
(high pressure option available)
CRN, NACE
316L SS
Hastelloy® C-276
Monel® 400
Duplex 2205
Top Housing
510/511
Threaded Seals
KEY BENEFITS
• Continuous duty design
• All-welded construction prevents inadvertent
disassembly
• Ensures process compatibility
• Male connections eliminate adapters/fittings
®
All speci fications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc. 510-511_welded_seal_ds_RevD_Ltr_09-18
ashcroft.com
info@ashcroft.com
1.800.328.8258
of 31
Data Sheet
510/511 All Welded Diaphragm Seal
510
ORDERING CODE Example:
Process Connection Size
04 - ½ NPT Male 04
Seal Model
510 - All-welded threaded compact seal, with no flushing port 510
511 - All-welded threaded compact seal, with flushing port
Diaphragm Material
S - 316L Stainless Steel S
H - Hastelloy® C-276
P - Monel® 400
Z - Duplex 2205
Bottom Housing Material
S - 316L Stainless Steel S
H - Hastelloy® C-276
M - Monel® 400
Z - Duplex 2205
Instrument Connection Size
04T - ½ NPT Female 04T
Options (if choosing option(s) must include an “X”)
Fill Fluid X_ _
CF - Halocarbon®
CC - Syltherm® XLT (for low-temperature applications)
CG - Glycerin (direct-mount only) CG
CK - 50 cSt Silicone
DJ - 10 cSt Silicone
HA - Syltherm® 800 (for high-temperature applications)
Optional Features
DU - Instrument welded to seal
PU - Pipe plug for flushing connection (511 only)
NH - Stainless steel tag wired to product NH
HY - Hydrostatic testing
6B - Cleaning for oxidizing agents
HP - High pressure design (510: 10,000 psi MAWP, 511: 5000 MAWP)
04
S
S
04T
XCG
NH
All speci fications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc. 510-511_welded_seal_ds_RevD_Ltr_09-18
ashcroft.com
info@ashcroft.com
1.800.328.8258
of 32
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