Katup Valve
Forged Double Block and Bleed (DBB) Valves
Machined from a single piece of 'grain flow controlled' forging, our Forged Double Block and Bleed (DBB) Valves feature two inline ball pattern primary and secondary isolating valves and a heavy duty needle vent valve. Available in D Type, EL Type and N Type. With a range of different operating temperatures and configurations, our Forged Double Block and Bleed (DBB) Valves are the superior market leader in flow control.Maximum Temperature Typically 240C - Flange-To-Pipe up to 540 C
Maximum Rating 2500 lb Class
Bore Sizes 10mm, 14mm and 20mm (0.4" to 0.8")
Carbon Steel
ASTM A350 LF2 body material with BS970 316 S11/S31 bar stock stainless steel trims and head units with Graphite seals and gland packings. Needle valves have non-rotating hard tip giving metal to metal closure and screw down tee bar operators.
Duplex Stainless Steel
ASTM A182 F51 body material with UNS S31803 bar stock steel rims and head units with Graphite seals and gland packings. Needle valves have non-rotating hard tip giving metal to metal closures and screw down tee bar operators.
Stainless Steel
ASTM A182 F316 body material with BS970 316S11/S31 barstock stainless steel trims and head units with Graphite seals and gland packings. Needle valves have non-rotating hard tip giving metal to metal closure and screw down tee bar operators.
Other materials are available on request.