SITRANS P, DS III series (7MF4.33.. 7MF4.34.. 7MF4.35..)
44
A5E03434645-01, 08/2011
Design for absolute pressure (from the differential pressure series), differential pressure and flow rate
● Non-wetted parts materials
Electronics housing
● Non-copper aluminum die casting GD-AlSi 12 or stainless steel precision
casting, mat. no. 1.4408
● Standard: Polyester-based paint
Option: 2 coats: Coat 1: epoxy-based; coat 2: polyurethane
● Stainless steel nameplate
Pressure cap screws
Stainless steel
Mounting bracket
Steel or stainless steel
Process connection
1
/
4
-18 NPT female connection and flat connection with
7
/
16
-20 UNF fastening screw
thread in accordance with EN 61518 or M10 fastening screw thread in accordance
with DIN 19213 (M12 for PN 420 (MWP 6092 psi))
Electrical connection
Screw terminals
Cable inlet using the following screwed joints:
● Pg 13.5
● M20 x 1.5
● ½-14 NPT or Han 7D/Han 8D connector
1)
● M12 connector
1)
Han 8D is identical to Han 8U.
Construction for level
Weight
● as per EN (pressure transmitter
with mounting flange, without
tube)
approx 11 … 13 kg (24.2 … 28.7 lb)
● as per ASME (pressure
transmitter with mounting flange,
without tube)
approx 11 … 18 kg (24.2 … 39.7 lb)
Material
● Wetted parts material
Plus side
● Seal diaphragm on the
mounting flange
Stainless steel, mat. no. 1.4404/316L, Monel 400, mat. no. 2.4360, Hastelloy B2,
mat. no. 2.4617, Hastelloy C276, mat. no. 2.4819, Hastelloy C4, mat. no. 2.4610,
tantalum, PTFE, PFA, ECTFE
● Sealing surface
smooth as per EN 1092-1, form B1 or ASME B16.5 RF 125 … 250 AA for stainless
steel 316L, EN 2092-1 form B2 or ASME B16.5 RFSF for the remaining materials
Sealing material in the pressure
caps
● for standard applications
Viton
● for underpressure
applications on the mounting
flange
Copper
Minus side
● Seal diaphragm
Stainless steel, mat. no. 1.4404/316L
● Pressure caps and locking
screws
Stainless steel, mat. no. 1.4408
● O-ring
FPM (Viton)
● Non-wetted parts materials