164 | Siemens P guide

For gage and absolute pressure, directly fitted on transmitter

Diaphragm seals of flange design, directly fitted on a pressure transmitter for pressure

Diaphragm seals (flange design) for pressure and absolute pres- sure, directly fitted on a transmitter

Nominal diameter	Nominal pressure
• DN 50	PN 40, PN 100
• DN 80	PN 40, PN 100
• DN 100	PN 16, PN 40
• 2 inch	Class 150, class 300, class 600,
	class 1500
• 3 inch	Class 150, class 300, class 600
• 4 inch	Class 150, class 300, class 400

Sealing face
• For stainless steel, mat. No.	To EN 1092-1, form B1 or ASME
1.4404/316L	B16.5 RF 125 ... 250 AA
• For the other materials	Smooth to EN 1092-1, form B2 or
	ASME B16.5 RFSF

Materials
• Main body	Stainless steel 316L
• Wetted parts	Stainless steel 316L
	• Without foil
	• PTFE (for vacuum on request)
	• ECTFE (for vacuum on request)
	• PFA (for vacuum on request)
	Monel 400, mat. No. 2.4360
	Hastelloy C276, mat. No. 2.4819
	Hastelloy C4, mat. No. 2.4610
	Tantalum
• Capillary	Stainless steel, 1.4571/316Ti
• Sealing material on the process	Copper
connection

Maximum pressure	See above and the technical data
	of the transmitter
Tube length	• Without tube
	• 50 mm (1.97 inch)
	• 100 mm (3.94 inch)
	• 150 mm (5.91 inch)
	• 200 mm (7.87 inch)

Capillary
• Length	Max. 10 m (32.8 ft), longer
	lengths on request
• Internal diameter	2 mm (0.079 inch)
• Minimum bending radius	150 mm (5.9 inch)

Filling liquid	• Silicone oil M5
	• Silicone oil M50
	• High-temperature oil
	• Halocarbon oil (for measuring
	O2)
	• Food oil (FDA listed)
	• Glycerine/water (not suitable for
	use in low-pressure range)

Max. recommended process	170 °C (338 °F)
temperature

Permissible ambient temperature	Dependent on the pressure trans-
	mitter and the filling liquid of the
	remote seal.
	More information can be found in
	the technical data of the pressure
	transmitters and in the section
	"Technical data of filling liquid" in
	the Technical description to the
	remote seals.

Weight	Approx. 4 kg (8.82 lb)

Certificate and approvals
Classification according to pressure	For gases of fluid group 1 and liq-
equipment directive (DRGL	uids of fluid group 1; complies
97/23/EC)	with requirements of article 3,
	paragraph 3 (sound engineering
	practice)

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Siemens FI 01 · 2009