Series 651mWNK

Safety valves with diaphragm made of gunmetal, angle type with threaded connections

Good to know Data & Facts

Valve size

DN 15 to DN 32
1/2" to 1 1/4"

Pressure

43 psi to 145 psi

Temperature

14 °F to 203 °F
Product design

angle-type

Material

Gunmetal

Nominal width

DN 15 to DN 32
1/2" to 1 1/4"

Medium
  • Warm water
Temperature in °F

14 °F to 203 °F

Pressure in psi

43 psi to 145 psi

The 651mWNK diaphragm safety valve with enlarged outlet (TÜV/CE) is our premium solution for the highest demands in the drinking water sector. In our efforts to ensure absolute safety and purity in the drinking water system, we consistently use materials of the highest quality. These are specially recommended, tested and certified for contact with drinking water so that no compromises are made in terms of safety and durability.

Developed for use in the cold water supply of feed water heaters, these diaphragm safety valves effectively protect the water heater from potential overpressure. Their special design with enlarged outlet ensures optimum pressure relief and promotes the performance and safety of the entire drinking water system.
 

connection types
  • Internal pipe thread
  • Drinking and process water heaters and storage tanks

For the protection of closed water heating systems for drinking and process water according to TRD 721, DIN 4753 and DIN 1988 for temperatures up to max. 95°C.

  • Drinking and process water heaters and storage tanks

The safety valve is installed in the cold water inlet of the water heater in compliance with DIN 1988.

Safety valves are permanently set and sealed at the factory.

TUV-Germany

Approvals

TÜV.SV.21 532:

Usage

Boiler (W)

EU type examination

Approvals

01 202 642/B-22 T064:

Manufacture License of Special Equipment People's Republic of China

Approvals

TSF700E45-2023:

Usage

Boiler (W)

Eurasian Conformity

Approvals

RU CDE.CN28.B.00821/20:

Usage

Boiler (W)

Attestation de Conformité Sanitaire

Approvals

19 ACC LY 052:

Usage

Boiler (W)

Bureau Veritas

Approvals

26401/C0 BV:

Usage

Steam/Gases (S/G)

Documents

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