Radiator lockshield union HSE 1531, straight

This is a shut‑off radiator union made of nickel‑plated brass CW 617 N. It is available in three DN sizes (10‑20) and features a male threaded end.

• Material: Brass CW 617 N, nickel‑plated finish
• Male threaded ends (AG) – shut‑off version
• Seal: EPDM
• Temperature range: up to +120 °C
• DN sizes: 10, 15, 20
• Length L: 48 mm (3/8"), 50 mm (1/2"), 57 mm (3/4")
• Weight: 140 g, 160 g, 270 g respectively
• Working pressure PN 10

Suitable for heating systems and general industrial use, compatible with cold and warm water, water‑glycol mixtures and other approved media.