Variable orifice bronze double regulating valve 

Diameters from DN010 - 3/8" to DN050 - 2" 

Threaded F/F (ISO 228/1) 

Design according to BS7350 

Tolerance on nominal Kv for completely open valve ±5% 

(see flow measurement section, test according to BS7350) 

Available in the following versions: 

● Fig. 9500, with plugged threaded drains (¼" ISO 7/1Rp) 

   (allow later mounting of test points) 

● Fig. 9505, with test points 

● Fig. 9506, with test points (high pressure TP with drain) 

TR CU 010 compliant

PN25 (Max 25bar up to 110°C, max 20bar above) 

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

Working conditions 

● Suitable for: water, -10°C to +130°C 

   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)