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PM 512

A pressure relief valve for use in variable flow heating and cooling systems, the PM 512 features a soft NBR diaphragm that delivers a long lifetime and is also equipped with an auxiliary spring that operates as a fail-safe open function. Designed for easy handling in tight spaces. Electrophoretically painted ductile iron body for optimum rust protection.

Información de Producto

Pressure relief valve

A pressure relief valve for use in variable flow heating and cooling systems, the PM 512 features a soft NBR diaphragm that delivers a long lifetime and is also equipped with an auxiliary spring that operates as a fail-safe open function. Designed for easy handling in tight spaces. Electrophoretically painted ductile iron body for optimum rust protection.

Technical description

Application:

Heating and cooling systems with variable flow.

Function:

Inline pressure relief valve with pneumatic spring.
Opens at increasing inlet pressure.

Dimensions:

DN 15-125

Pressure class:

PN 25 or PN 16 (DN 100-125)

Max. differential pressure (ΔpV):

1 600 kPa = 16 bar

Setting range:

0-16 bar

Temperature:

Max. working temperature: 100°C
Min. working temperature: -10°C

Media:

Water and neutral fluids, water-glycol mixtures.

Material:

Valve body: Ductile iron EN-GJS-400
Diaphragms and gaskets: NBR, EPDM

Surface treatment:

Electrophoretic painting.

Marking:

TA, DN, PN, Kvs, material and flow direction arrow.

Flanges:

DN 15-50 (optional): According to EN-1092-2:1997, type 16.
DN 65-125: According to EN-1092-2:1997, type 21.

The products, texts, photographs, graphics and diagrams in this document may be subject to alteration by IMI Hydronic Engineering without prior notice or reasons being given. For the most up to date information about our products and specifications, please visit www.imi-hydronic.com.

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