Seal kit for pressure reducing valve DRV 250 G 3/8"
Code: DRV250-38REP
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Product detailed description
Seal kit for the DRV250-38 pressure reducing valve – version DRV 250, size G 3/8". The internal parts of the valve are replaceable: replace the worn seals and the valve will keep on working. The kit only fits a valve of this size and version.
Specifications
| Parameter | Value |
|---|---|
| Code | DRV250-38REP |
| Type | seal kit |
| Fits | DRV250-38 |
| Weight | 12 g |
Replacement
- shut off the supply and release the pressure from the valve and from the outlet
- loosen the adjusting head so that the spring is not under tension
- replace the parts from the kit and reassemble the valve
- pressurise the valve slowly and check for leaks and the set pressure
You will find more parts for regulators in the category spare parts and accessories for pressure regulators.
Additional parameters
| Category: | Spare parts and accessories for pressure regulators |
|---|---|
| EAN: | 4050571274276 |
| Product type: | Repair kit |
| For regulator series: | DRV 250 |
Product rating
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Berluto Armaturen-Gesellschaft mbH is a German valve manufacturer with its headquarters and production in Tönisvorst.
From the Berluto brand, we offer DRV pressure reducing valves made of gunmetal for industrial water, compressed air and neutral gas networks. Three versions cover outlet pressures of 0.2 to 20 bar and inlets of up to 40 bar, eight sizes threads from G 1/4" to G 2". There is a seal kit for every valve.
Water, air, gasesBerluto pressure reducing valves
DRV 250 low-pressure
0.2–2 bar. For low outlet pressure, inlet up to 25 bar.
- reduction ratio up to 20 : 1
- pressure gauge 0–2.5 bar
- G 1/4" to G 2"
DRV 200 standard
1.5–8 bar. The most common version for networks up to 25 bar.
- reduction ratio up to 10 : 1
- pressure gauge 0–10 bar
- G 1/4" to G 2"
DRV 225 high-pressure
1.5–20 bar. Piston valve for networks up to 40 bar.
- reduction ratio up to 6 : 1
- pressure gauge 0–25 bar
- G 1/4" to G 2"
Not sure which version and size to choose? In the category you will find a selection by pressure and flow rate as well as a worked example.
All DRV valvesBerluto pressure reducing valves at a glance
| Gunmetal DRV pressure reducing valves | ||||
|---|---|---|---|---|
| Version | Inlet pressure | Outlet pressure | Control | Sizes |
| DRV 250 | 25 bar | 0.2–2 bar | diaphragm | G 1/4" to G 2" |
| DRV 200 | 25 bar | 1.5–8 bar | diaphragm | G 1/4" to G 2" |
| DRV 225 | 40 bar | 1.5–20 bar | piston | G 1/4" to G 2" |
kvs 0.5 to 7.2 m³/h depending on size (water), minimum difference between inlet and outlet pressure 1 bar, pressure gauge included. Not for drinking water, steam or flammable gases.
How to choose a Berluto pressure reducing valve
1. Outlet pressure
Up to 2 bar DRV 250, up to 8 bar DRV 200, up to 20 bar DRV 225.
2. Inlet pressure
DRV 200 and 250 withstand 25 bar, DRV 225 40 bar. The inlet must be at least 1 bar higher than the outlet.
3. Flow rate
Choose the size according to the kvs value: water Q = kvs × √Δp. For air, there is an approximate formula in the category.
4. Installation
According to the arrow on the body, preferably vertical. The pressure gauge can be moved to the other side of the body.
Frequently asked questions
- Are Berluto valves suitable for drinking water?
- No. The manufacturer does not state approval for drinking water – DRV valves are for industrial water, air and neutral gas networks.
- Can the valves be repaired?
- Yes, the internal parts are replaceable. There is a seal kit for every version and size.
- Do the valves comply with the Pressure Equipment Directive?
- Yes, the manufacturer states conformity with Directive 2014/68/EU.
Technical data according to the data sheets of the manufacturer Berluto Armaturen-Gesellschaft mbH (Tönisvorst, Germany).
| Manufacturing company : | Berluto Armaturen-Gesellschaft mbH |
|---|---|
| Address : | Tempelsweg 16, 47918 Tönisvorst, Germany |
| E-mail : | verkauf@berluto.de |