SITRANS P, DS III series (7MF4.33.. 7MF4.34.. 7MF4.35..)
A5E03434631-02, 12/2012
45
Design for absolute pressure (from the differential pressure series), differential pressure and flow rate
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
Electronics housing
● Copper-free die cast aluminum GD-AlSi 12 or precision cast stainless steel,
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
Measuring cell filling Silicone oil
● Mounting flange fill fluid
Silicon oil or a different design
Process connection
● Plus side
Flange as per EN and ASME
● Minus side
Female thread
1
/
4
-18 NPT and flat connection with fastening screw thread M10 as
per DIN 19213 (M12 for PN 420 (MWP 6092 psi)) or
7
/
16
-20 UNF as per EN 61518
To Next Page
Loading...
