Variable orifice DZR brass double regulating valve 

Diameters from DN015 - ½" to DN025 - 1" 

Threaded F/F (ISO 228/1 for DN15/20, ISO 7/1 Rp above) 

Olive and nut kit (O/N) for European copper tubing (EN1057) on request: 

● DN15, kit for 15mm pipe 

● DN20, kit for 22mm pipe 

Tolerance on nominal Kv for completely open valve ±10% 

(test according to BS7350) 

Provided with mounted test points 

TR CU 010 compliant

PN20 (Max 20bar up to 80°C, max 10bar at 130°C) 

PN16 with O/N (Max 16bar up to 30°C, max 5bar at 120°C) 

Free of CE marking (cat. according to Art. 4.3 Dir. 2014/68/EU)

Working conditions 

● Suitable for: water, -10°C to +130°C (120°C with O/N) 

   below 0°C only for water with added antifreeze fluids 

   over 100°C only for water with added anti-boiling fluids 

● Not suitable for: gases group 1 & 2, liquids group 1 (Dir. 2014/68/UE)