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From ¼ to 4

DN (mm) 8 10 15 20 25 32 40 50 65 80 100
THREAD 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4



According to the PN-EN 10242 and ISO 49 standards – “A” construction symbol.


Fittings: EN-GJMW-400-5 EN 1562 respect. whiteheart malleable In 400-05 acc. to ISO 5922
Mechanical properties tested on samples with a diameter of 12 mm.

Tensile strength [MPa] Elongation[%] HB Durability-Hardness HB
min 400 min 5,0 max. 220





Threads: R external taper threads, Rp internal straight threads made in acc. with the PN-ISO 7-1 standard, G fastening threads made in acc. with the PN-ISO 228-1 standard.


EE fittings can be supplied with black or zinc-coated surface, depending on the order.
According to EN 10242, the surface-related mass of the zinc coating is greater than 500 g/m2, which corresponds to the average film thickness of 70 µm.
Both black and zinc-coated surfaces are protected against corrosion.
The corrosion protection does not contain polycyclic aromatic hydrocarbons.


– 2,5 MPa / 25 bars / temperature between -20oC and 120oC
– 2,0 MPa / 20 bars / temperature 300oC
– between 120oC and 300oC interpolated







Diagram: Pressure relation / Temperature


In accordance with the PN-EN 10242 standard, each EE fitting is tested for leaks under a compressed air pressure of at least 0.5 MPa /5 bar/ which is equivalent to a hydrostatic pressure of at least 2.0 MPa /20 bar/.


Technical aspects, appearance and other characteristics of fittings may be modified in line with technical progress and in accordance with changes in the applicable standards.


Boxboards dimensions:
S / small / – 192 x 285 x 110mm – weight 0.190kg
M / medium / – 385 x 285 x 110mm – weight 0.450kg
L / large / – 385 x 285 x 220mm – weight 0.640kg
EURO pallets are used to ship the fittings.
EURO pallets dimensions: 120cm x 80cm.


Our EE whiteheart malleable cast iron fittings which are used in threaded pipe connections, especially in water, gas, central heating, sprinkler and industrial networks to convey liquids and non-irritant gases.


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