TA-NRV F

Double door and swing version – DN 50-600

Double door and swing check valves for heating and cooling systems. Available in pressure class PN 16 and 25.

Technical SpecificationsTA-NRV_F_EN_low.pdf

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Applications

Heating and cooling systems.

Tap water systems.

Functions

Protects against reverse flow

Dimensions

DN 50-600

Pressure class [PN]

PN 16 and PN 25

Temperature

Max. working temperature: 120°C

Min. working temperature: -20°C

Media

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

Marking

IMI, PN, DN, and flow direction arrow.

Colour

Blue RAL 5015

Connection

Flanged: According to EN 1092-2

Grooved ends: According to ISO 4200

Wafer: According to EN 1092-2

Material

Grooved:

Body: Ductile Iron EN-JS 1050

Disc: DI EPDM Coated EN-JS 1050

Seat: DI Integral EN-JS 1050

Spring: Stainless Steel BS970 304S15

Shaft: Stainless Steel BS970 420S37

Gasket: EPDM Commercial

Shaft: Plug Brass CuZn39Pb3

Flanged:

Body -Cast Iron EN-JL 1040 for PN16

Cover -Cast Iron EN-JL 1040 for PN16

Body - Ductile Iron EN-JS 1050 for PN25

Cover - Ductile Iron EN-JS 1050 for PN25

Side Plug: Brass CuZn39Pb3

Hanger Pin: Stainless Steel BS970 420S37

Hanger: Ductile Iron EN-JS 1050

Disc -Cast Iron EN-JL 1040

Disc Trim: EPDM Commercial

Body Trim: Bronze EN1982 CC491K

Gasket: Graphite Non-asbestos

Double door:

Body: Ductile Iron EN-JS 1050

Disc: Stainless Steel BS970 304S15

Seat: EPDM Commercial

Hinge Pin: Stainless Steel BS970 420S37

Stop Pin: Stainless Steel BS970 420S37

Pin Retainer: Stainless Steel BS970 304S15

Spring: Stainless Steel BS970 304S15

Washer PTFE Commercial

Gasket: EPDM Commercial

Surface treatment

Fusion bonded epoxy coating 150 - 300 microns.

Internally and externally liquid epoxy painted or fusion bonded epoxy powder coated (FBE).

Approvals

PN16 Grooved ends: WRAS

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

Art. No.