Siemens technical specifications Multiway cocks PN, 204

© Siemens AG 2008

SITRANS P measuring instruments for pressure

Fitttings - Shut-off valves for differential pressure transmitters

Multiway cocks PN 100

■Overview

2

■Technical specifications

Multiway cocks PN 100

Measured medium	Water, non-aggres-	Aggressive liquids,
	sive liquids and	gases and vapors
	gases
Material	P250GH, mat. No.:	X 6 CrNiMoTi 17 12 2,
	1.0460	mat. No. 1.4571/316Ti
Connections	Steel, for pipe	Stainless steel, for
	Ø 12 mm, L series	pipe Ø 12 mm, L
		series
• Process connection	2 bulkhead glands

•Connection for blow- Pipe union with ferrule ing out

Max. permissible	200 °C
working temperature
Max. permissible	100 bar (up to max. 60 °C)
working pressure
Weight	2.5 kg

Multiway cock PN 100 (7MF9004-1P.) for differential pressure transmitters

The multiway cock PN 100 can be flanged to pressure transmit- ters for differential pressure.

■Benefits

Selection and Ordering data	Order No.
Multiway cock PN 100	7 M F 9 0 0 4 - 77 A

for flanging to pressure transmitters, weight

2.5kg (without accessory set), without certificate

•Version available for aggressive liquids, gases and vapors

•Robust design

•Oil-free and grease-free version possible

•One-hand operation

■Application

The PN 100 multiway cock is available in versions for aggressive and non-aggressive liquids, gases and vapors.

■Design

The multiway cock can be flanged with four screws to pressure transmitters for differential pressure.

The PN 100 has 2 process connections and one blow-out con- nection. A steel version of the multiway cock is available for non- aggressive media, and a stainless steel version for aggressive media. The housing is forged in one piece. The switching lever is removable.

Sealing can be improved during operation.

Note: An accessory set is always required for flanging of the multiway cock to a differential pressure transmitter.

■Function

•Shutting off the differential pressure lines

•Blowing out the differential pressure lines

•Testing the pressure transmitter zero

for water and non-aggressive gases and			1 P
vapors
for aggressive liquids, gases and vapors			1 Q
Accessories
Factory test certificate EN 10204–2.2		7MF9000-8AB
Material acceptance test certificate		7MF9000-8AD
EN 10204-3.1
Selection and Ordering data	Order code		Order No.
Further designs1)
Please add "-Z" to Order No. and
specify Order code.
Accessory set to EN
(required for flanging, weight 0.2 kg)
4x screws 7/ -20 UNF x 1 inch to	L31		7MF9004-5CC
16
ASME B18.2.1; chromized steel
2x gaskets made of PTFE, max.
permissible temperature 80 °C
Accessory set to DIN
(required for flanging, weight 0.2 kg)
4x screws M10x25 to DIN EN 24017;
chromized steel
4x washers Ø 10.5 mm to DIN 125;
2x gaskets made of PTFE, max.
permissible temperature 80 °C
• Standard design
	L11		7MF9004-6AD
• Version for oxygen (together with	L15		7MF9004-6AE
Order code S11
Multiway cock in oil-free and
grease-free design
Max. PN 63 (instead of PN 100),	S11
BAM-tested lubricant, gasket suit-
able for oxygen measurement (only
with Order No. 7MF9004–1Q.Z)
Mounting bracket	M13		7MF9004-6AA
Required for wall mounting or for

securing on rack (72 mm grid), made of electrogalvanized sheet- steel, weight 0.85 kg

1) When ordering accessory set or mounting together with the multiway cock,

Cock positions; the symbols are printed on the cock

please use Order code; otherwise use Order No.

2/204

Siemens FI 01 · 2009