GE0H-1367GE23 R0609 • Subject to change
Construction
The safety valve comprises:
•Angled housing
•Adjustment spring
•Diaphragm
•Security cap with part label
Materials
•Brass housing
•Spring steel adjustment spring
•High grade synthetic material security cap
•Hot water resistant elastomer diaphragm
SM150
Diaphragm safety valve for closed heating systems
Product specification sheet
Application
Membrane safety valves of this type are used to protect closed hot drinking water systems according to DIN 1988 and DIN 4753-1.
In accordance with statutory requirements, the diaphragm safety valve is preset to the required fixed set pressure by the manufacturer and is sealed with an embossed security cap marked with the test badge and pressure rating to prevent unauthorised tampering with the setting. Subsequent alteration of the setting is not permitted and is impossible without destroying the security cap. The preset pressure is embossed on the security cap.
Special Features
•Meets KTW recommendations for potable water
•Certified to Pressure Equipment Directive 97/23/EC, Reference No. CE 0036
•Standardised discharge connection
•With lifting device
•Protected against subsequent changing of the default settings
Range of Application
The membrane safety valve is only suitable to drain drinking water from closed hot drinking water systems according to DIN 1988 and DIN 4753-1 for protection against exceeding pressure
Medium Water
Technical Data |
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Installation position |
Horizontal with safety cap pointing up |
Opening pressure |
Factory preset to 6.0, 8.0 or 10.0 bar |
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Subsequent alteration of the setting is not |
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destroying the security cap |
Operating tempera- |
Max. 95 °C |
ture |
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Connection size |
Internal thread on inlet 1/2", 3/4", |
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Internal thread on outlet 1/2", 3/4", 1" |
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Valve size is defined by the size of the inlet |
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connection |
www.honeywell.com 1
SM150 Diaphragm safety valve
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Method of Operation |
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Diaphragm safety valves of this type are directacting safety |
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valves in which the disc is pushed up by the pressure from the |
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system against a spring which is holding the valve closed. If the |
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opening force exceeds the force exerted by the spring, then the |
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valve disc is lifted off the valve seat and the valve discharges the |
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medium. In accordance with the requirements of the standard, |
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the full discharge capacity of the valve will be achieved when the |
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system pressure climbs to no more than 10% above the set |
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pressure of the valve. Full shutoff must be achieved if the system |
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pressure falls to below 80% of the nominal set pressure of the |
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ROutlet |
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taken as 0.6 bar minimum. |
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valve. For valves rated up to 3.0 bar, the closing pressure can be |
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Options |
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OS.-No. |
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Set pres- |
Connection size Connection size |
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Inlet |
Outlet |
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SM150- 1/2ZA |
6.0 bar |
Rp1/2" IG |
Rp1/2" IG |
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RInlet |
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SM150- 1/2ZB |
8.0 bar |
Rp1/2" IG |
Rp1/2" IG |
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T |
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SM150- 1/2ZC |
10.0 bar |
Rp1/2" IG |
Rp1/2" IG |
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SM150- 1/2A |
6.0 bar |
Rp1/2" IG |
Rp3/4" IG |
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SM150- 1/2B |
8.0 bar |
Rp1/2" IG |
Rp3/4" IG |
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SM150- 1/2C |
10.0 bar |
Rp1/2" IG |
Rp3/4" IG |
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SM150- 3/4ZA |
6.0 bar |
Rp3/4" IG |
Rp3/4" IG |
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SM150- 3/4ZB |
8.0 bar |
Rp3/4" IG |
Rp3/4" IG |
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SM150- 3/4ZC |
10.0 bar |
Rp3/4" IG |
Rp3/4" IG |
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SM150- 3/4A |
6.0 bar |
Rp3/4" IG |
Rp1" IG |
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SM150- 3/4B |
8.0 bar |
Rp3/4" IG |
Rp1" IG |
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SM150- 3/4C |
10.0 bar |
Rp3/4" IG |
Rp1" IG |
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Connection size Inlet |
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R |
1/2" IG |
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3/4" IG |
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1/2" IG |
3/4" IG |
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Connection size Outlet |
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R |
1/2" IG |
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3/4" IG |
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3/4" IG |
1" IG |
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Dimensions |
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(mm) |
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H |
60 |
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62 |
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60 |
62 |
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Do |
33 |
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33 |
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33 |
36 |
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T |
32 |
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46 |
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46 |
46 |
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Weight |
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g |
135 |
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145 |
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140 |
150 |
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For water heaters with capacity (litres) |
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up to 200 |
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up to 1000 |
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up to 200 |
up to 1000 |
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Maximum permissible heat input (kW) |
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50 |
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100 |
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100 |
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TÜV Approval Nos. |
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TÜV · SV · ..* - 2017· 13 · W · p |
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..* valid Approval No. |
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Only the products with an outlet diameter larger than the inlet diameter are TÜV-certified.
GE0H-1367GE23 R0609 • Subject to change
2 www.honeywell.com