Ashcroft 330 Specifications
Data Sheet
330 All-Welded Flush Mini Seal
FEATURES
All-welded construction
No gaskets or bolts
Compact size to fit in limited-space areas
TYPICAL USES
Pulp and paper
Chemical and Petrochemical
Pharmaceutical
Food and beverage
330
Threaded Seal
SPECIFICATIONS
Connection style: Threaded
Process Connection: 1 NPT
Instrument Connection: ¼ or ½ NPT Female
MAWP: 3,000 psi
Fill Fluid: See table 1
WETTED COMPONENTS
Diaphragm Top Housing (threads)
316L SS 316L SS
KEY BENEFITS
• All-stainlesss corrosion-resistant design
• Flush design prevents clogging or buildup of
process media
All speci fications are subject to change without notice.
All sales subject to standard terms and conditions.
©2019 Ashcroft Inc. 330_seal_ ds1.0, Rev. A, 07/19
ashcroft.com
info@ashcroft.com
1.800.328.8258
1 of 3
Data Sheet
330 All-Welded Flush Mini Seal
TABLE 1 - FILL FLUIDS
Fill Fluid Temperature
Viscosity
(cSt at RT)
Glycerin (food grade) 0°F to 400°F (-18°C to 204°C) 1,300 CG
50 cSt Silicone -40°F to 500°F (-40°C to 260°C) 50 CK
10 cSt Silicone -40°F to 500°F (-40°C to 260°C) 10 DJ
Halocarbon® 4.2 -70°F to 300°F (-57°C to 199°C) 4.2 CF
Slytherm® 800 -40°F to 750°F (-40°C to 400°C) 10 HA
Variation
Code
Notes
Direct-mounting only.
Not for use with vacuum service
For use with oxygen/oxidizing
process media
High temperature applications
Syltherm® XLT -150°F to 500°F (-100°C to 260°C) 1.4 CC
Calflo® AF -20°F to 600°F (-29°C to 316°C) 60 KF
Low temperature applications
High temperature, silicone-free
Mineral Oil 10°F to 400°F (-12°C to 204°C) 75 MY
Neobee® M-20 (food grade) 5°F to 400°F (-15°C to 204°C) 9.5 NM
Silicone (food grade) -40°F to 500°F (-40°C to 260°C) 350 CZ
Distilled Water 40°F to 185°F (4°C to 85°C) 0.9 FJ
50/50 Glycerin/Water 15°F to 200°F (-9°C to 93°C) 30 GH
Propylene Glycol -50°F to 325°F (-46°C to 163°C) 54 CV
Ethylene Glycol 20°F to 325°F (-7°C to 163°C) 14 FK
50/50 Ethylene Glycol/Water -25°F to 190°F (-32°C to 88°C) 2.9 CT
80/20 Glycerin/Water 15°F to 225°F (-9°C to 107°C) 270 GR
95/5 Water/Propylene Glycol 40°F to 185°F (4°C to 85°C) 1.0 PY
ORDERING CODE Example:
Process Connection Size
08 - 1 NPT Male 08
Se al Type
330 Flush threaded seal 330
Diaphragm Material
SX - 316L Stainless steel SX
Instrument Connection Size
02T - ¼ NPT 02T
04T - ½ NPT
Opti ons (if choos ing option(s) must i nclude an “X”)
Fill Fl uid (See Table 1 ab ove for more available fill fluids)
CK - 50 cSt Silicone CK
Optional Features
NH - Stainless steel instrument tag
DU - Instrument welded to seal (instrument connection must be of like material to top housing) DU
MQ - Positive material identification
6B - Cleaned for oxygen service
08 330 SX 02T XCK DU
X__
All speci fications are subject to change without notice.
All sales subject to standard terms and conditions.
©2019 Ashcroft Inc. 330_seal_ ds1.0, Rev. A, 07/19
ashcroft.com
info@ashcroft.com
1.800.328.8258
2 of 3
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