Standard valve for medium to high flow rates
Pressure reducing valves DM 618 ASME
The pressure reducer DM 618 ASME
is a diaphragm-operated, spring-loaded and balanced proportional valve for high flow rates.
The valve body is made of cast steel. Diaphragm housing, spring cap and internal parts are made of stainless steel 316L.
The valve cone is fitted with a soft seal.
Mankenberg M-EDIT
Product features
Standard
- Body made of A216WCB (1.0619) according to ASME
- Diaphragm housing and closed bonnet made of 316L (1.4404)
- Internal parts made of 316L / S31803 (1.4404 / 1.4462)
- Leakage line connection and sealed adjusting screw
- Balanced cone
- Sense line connection
Options
- Elastomeres made of FKM
- PTFE protection foil
Technical data
NPS
1/2 - 4
Class
150 - 300
p1
up to 740 / 580 psi
p1
up to 51.1 / 40 bar
p2
10 - 145 psi
p2
0.3 - 10 bar
Cvs
4.2 - 116.5 US gal/min.
Kvs
3.6 - 100 m³/h
T
266 °F
T
130 °C
Advantages
Compact, sturdy designMinimum space required, high stability, fit and forget
1
Favourable fluid dynamicsHigher KVS values
2
Mankenberg clamp system and plug-in packEasy maintenance
3
Bonnet and medium-wetted internal parts of stainless steel (1.4404 / 316L)Corrosion-resistant
4
Closed bonnetComplete protection against contact
5
Leakage line connection and sealed adjusting screwSuitable for flammable and hazardous media
6
EASY-CHECK –
Non-rising adjusting screwFunction visible from outside, simple and precise setpoint adjustment, unchanged overall height
Non-rising adjusting screwFunction visible from outside, simple and precise setpoint adjustment, unchanged overall height
7
Balanced coneDownstream pressure control independent from the upstream pressure
8
Matched control surfaces, springs and sense linesVery high control accuracy
9
Exchangeable drivesEasy change between pressure ranges
10
Options
Elastomers made of FKM, NBR, PTFE or others
A
Inlet pressure
Outlet pressure
Control pressure
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