Features & Benefits
Adjustable set-point
For accurate differential pressure control.
Shut-off function
For easy maintenance.
AMETAL®
Dezincification resistant alloy that guarantees a longer valve lifetime and lowers the risk of leakage.
Technical Information
Applications:
Heating and cooling systems
Tapwater systems
Function:
Proportional relief
Adjustable differential pressure (Δp)
Shut-off
Dimensions:
DN 15-32
Pressure class:
PN 20
Setting range:
10-60 kPa
Temperature:
Max working temperature: 120°C
Min working temperature: -20°C
Materials:
Valve body: AMETAL®
Bonnet: AMETAL®
Cone: PTFE coated AMETAL®
Stem: AMETAL®
Union nuts: Brass
Sleeve: Brass
Cap: Brass
Gaskets: Fiber-based aramid
Springs: Stainless steel
O-rings: EPDM rubber
Guide ring: PTFE
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.
Marking:
Valve type, DN, inch size and flow direction arrow.
Connection:
Pipe threads NPT according to ANSI/ASME B1.20.1-1983.
Complete thread according to ANSI B16.15-1985.
Articles
Straight

10-60 kPa
DN | (size) | D | L | H | EAN | Article No |
15 | 1/2" | 1/2 NPT | 118 | 93 | 7318794028005 | 52 198-715 |
20 | 3/4" | 3/4 NPT | 135 | 93 | 7318794028104 | 52 198-720 |
25 | 1" | 1 NPT | 150 | 103 | 7318794028203 | 52 198-725 |
32 | 1 1/4" | 1 1/4 NPT | 172 | 105 | 7318794028302 | 52 198-732 |