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Ashcroft 1131 Differential Pressure Gauge, Diaphragm Operated

Differential Pressure Gauge, Diaphragm Operated
1131

The Type 1131 is utilized for applications where migration of the process media is not permissible. The Type 1131 uses a rolling diaphragm design to separate the high and low-pressure ports to isolate the media and can see up to 3000 psi static pressures. Body materials are available in Aluminum, Brass and Stainless Steel, with Buna, Viton or EPDM seals.2

• Rolling diaphragm actuator
• Stainless steel case
• Ranges from 5 psid-100 psid
• Static pressures up to 3000 psi
• Aluminum3, brass or stainless steel bodies1
• Buna-N O-rings (others available)
• Superior magnets for smoother power motion
• Standard or explosion-proof reed switches available
• 5-year warranty

NOTES:
(1) Not for use with incompatable media.
(2) Other wetted parts include stainless steel, Teflon and ceramic.
(3) Not to be used with water or corrosive applications.

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Table 1Table 2Table 3Table 4Table 5Table 6Table 7
XXXXXXXXXXXXXXXX
Table 1Dial Size
252½˝
353½˝
40
454½˝
60
Table 2Case Type
11311131
Table 3Body material
FDAluminum Dry
FLAluminum Glycerine Fill
ADBrass Dry
ALBrass Glycerine Fill
SDStainless Steel Dry
SLStainless Steel Glycerine Fill
Table 4Connection Size
RQ¹/₈ NPTF
25¼ NPTF
Table 5Connection Location
SIn-line
LLower
BBack
Table 6Optional Features
XFFFront Flange
XVDViton O-Rings
XEMEPDM O-Rings
XGVSilicone Fill
XPDPlastic Window
XEKExplosion Proof
Table 7Standard Pressure Range
5#0-5 psi
7#0-7 psi
10#0-10 psi
15#0-15 psi
25#0-25 psi
30#0-30 psi
40#0-40 psi
60#0-60 psi
100#0-100 psi
Accuracy (Ascending) ±2%
Migration Zero
Range Limits 0-5 psid to 100 psid
Maximum Static Pressure 3000 psi (all)
Actuator Rolling Diaphragm
Case Material Stainless Steel
Dial Size 21⁄2˝ (25), 31⁄2˝ (35),
4˝ (40), 41⁄2˝ (45),
6˝ (60)
Maximum Process Temperature 175°F / 80°C
Body Materials Aluminum (F), Brass (A), Stainless Steel (S)
Diaphragm/O-Rings Buna-N
Connection Size (Female) 1⁄4 NPT (25)
Connection Location In-Line (S), Lower (L), Back (B)
Window Glass
Warranty Five Years


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