This crosspiece is designed with four female threaded connection ports. Connection 1 has Rp 4 inch threads. Connection 2 has Rp 4 inch threads. Connection 3 has Rp 4 inch threads. Connection 4 has Rp 4 inch threads. It is made out of cast iron (malleable) and is galvanic/electrolytic zinc plated for surface protection. At 20 °C (68 °F), it can handle a maximum pressure of 25 bar (363 psi).
FL4X-F series
The FL4X-F series has 4 connection ports in a cross shape. They are all female G or Rp threads. Max pressure of 16 or 25 bar and made out of brass, cast iron, or stainless steel.
Specifications
Thread : 4 inch
Connection type : Inner thread cylindrical BSPT-Rp
Material : Cast iron
Max pressure at 20 °C (bar) : 25
Surface protection : Galvanic/electrolytic zinc plated
Material quality : Malleable cast iron
Model : Cross piece 90°
Nominal inner diameter connection 4 : 4 inch (100)

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