Applications & Features

  • Various connection for on-line pipe applications
  • Pipe sizes from ½” and larger pipe
  • Socket Weld, Stub-End Weld and Flanged designs
  • Custom configurations available per application. Consult factory
  • Replacement uppers assemblies for other manufacturer’s designs

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Ordering Information

Base Model HFN Flow Thru In-Line Seal
Inst. Connection
W Weld Connection ( Not available with Titanium or Zirconium)
2 1/4" NPT
4 1/2" NPT
Upper Material
S6 316 / 316LSS
TI Titanium (Required with Titanium diaphragm)
Z7 Zirconium 702 (Required with Zirconium diaphragm)
Process Connection
S Socket Weld Pipe
B Butt Weld Pipe
T Threaded Pipe
F Flanged
Process Connection Size
5 1/2" Pipe
7 3/4" Pipe
10 1.0" pipe
15 1-1/2" Pipe
20 2.0" Pipe
30 3.0" Pipe
40 4.0" Pipe
Connection Rating
4 Sch. 40 Pipe, Use for Socket Weld, Butt Weld and threaded Connection
8 Sch. 80 Pipe, Use for Socket Weld, Butt Weld and threaded Connection
A 150# Flange
B 300# Flange
Lower Material
NN Not Provided
S6 316 / 316LSS
S4 304 / 304LSS
C2 Alloy 20
HC Alloy C-276
HB Alloy B-3
M4 Monel 400
I6 Alloy 600
DP Alloy 2205
NI Nickel 200
TI Titanium
Z7 Zirconium 702
Diaphragm Mat.
S6 316 / 316LSS
S4 304 / 304LSS
TA Tantalum
C2 Alloy 20
HC Alloy C-276
M4 Monel 400
HB Alloy B-3
I6 Alloy 600
DP Alloy 2205
NI Nickel 201 /200
TI Titanium
Z7 Zirconium 702
Gasket Mat.
K4 Klinger C4401 ( Standard) 450 F Max
GF Grafoil 700 F Max
GL Gylon 3510 300F Max
TF PTFE (o-ring) 350 F Max
VI Viton (o-ring) 400 F max
BN Buna-N (o-ring) 250 F Max
KZ Kalrez (o-ring) 500 F Max
Bolting
NN Not supplied Standard for other manufacturer’s replacement upper
CS Grade 8 Zinc Plated
S4 304SS
S6 316SS
Options
/AU Gold Plated Diaphragm
/NS PTFE Coated Diaphragm (Non-Stick Only - Not for corrosion protection)
/MC Material cert with MTR’s

Consult factory for dimensions specific to pipe size and application

HFN Socket Weld Connection

HFN Butt Weld Connection

HFN Threaded Connection

HFN Flanged Connection

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