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PM 512

PM 512

Pressure relief valve

A pressure relief valve for use in variable flow heating and cooling systems, the PM 512 features a soft NBR membrane 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 SpecificationsPM512_EN_MAIN.pdf

Product branding

imi_ta

Features and Benefits

Inline design

Inline flow allows high pressure drops without noise.

Pneumatic spring

Allows adjustable set-point from 0 to 16 bar.

Applications

Heating and cooling systems.

Functions

Inline pressure relief valve with pneumatic spring.

Opens at increasing inlet pressure.

Pressure class [PN]

PN 16 or PN 25 (DN 100-125)

Differential pressure (ΔpV)

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 or neutral fluids, water-glycol mixtures (0-57%).

Marking

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

Connection

DN 65-125: Flanges according to EN-1092-2, type 21.

DN 15-50: External threads according to ISO 228.

Surface treatment

Electrophoretic painting.

The table below assists you in finding the relevant product based on its variant. For more details, please download the datasheet above.