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.
Applications
Heating and cooling systems.
Tap water systems.
Functions
Protects against reverse flow
Dimension [DN]
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
Marking:
IMI, PN, DN, and flow direction arrow.
Colour
Colour:
Blue RAL 5015
Connection
Flanged: According to EN 1092-2
Grooved ends: According to ISO 4200
Wafer: According to EN 1092-2
Material
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
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.
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