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THREADED DIAPHRAGM SEALS |

General Specifications
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Diaphragm welded to upper housing housings
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available w/replaceable diaphragm gasketed between
upper & lower housings
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Instrument Connection: ¼” or ½”NPT (Others available)
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Process Connection” ¼”, ½”, ¾” or 1” NPT (Others
Available)
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Chrome Plated Carbon Steel or Stainless Steel Upper
Housing
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Grade 8 Galvanized Steel or Stainless Steel Bolts
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Standard Pressure Rating = 2500 psi
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High Pressure model = 10,000 psi
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Chrome Plated Carbon Steel
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316SS, 304SS, 316L-SS, 304L-SS
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Hastelloy C276, B2
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Inconel 600, 625
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Tantalum (Diaphragm Only)
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Nickel
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Monel 400
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Titanium
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Carpenter 20
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Teflon
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PVC
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Kynar
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Others upon Request
(pdf specifications)
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Standard
Threaded Threaded with
Flush Threaded
w/Clean-out Ring Threaded High Pressure
Buna N




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Viton
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Teflon
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Grafoil
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Others upon Request
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Product:
DS = Diaphragm Seal F =
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Upper
Housing: Seal / Connection Rating
S = Carbon Steel A = 2000 PSI (Clamped Diaph.)
J = Stainless Steel B = 5000 PSI
I = 2500 PSI (Welded Diaph.)
Instrument
Connection: E = 150 # (Flange)
1 = ¼”FNPT F = 300 # (Flange)
2 = ½”FNPT
Process Connection Size
Diaphragm
Material: 1 = ¼”
Lower
Housing Material: 2 = ½”
S = Carbon Steel 3 = ¾”
G = 304 Stainless Steel 4 = 1”
J = 316 Stainless Steel
K =
Tantalum Connection Type
M = Monel T =
Threaded
T = Teflon F = Flanged
X = Other S = Sanitary
I
= Inline Welded
W = Saddle Weld
Large
Body Diaphragm Seals Configurations avaiable to fit any type of pressure
sensing process instrument.
Available with threaded, flanged, welded, Flow through ,Flush mount, Sanitary or choice of many other types of process connection.