Double Block and Bleed valves provide Soft seating, with 10mm, 14mm or 20mm bore isolation valve for many applications without having to resort to traditional single isolate ball valves.

Standard “L” Type DBB range from ¼” up to 1”.

Available in Stainless Steel, Carbon Steel, Duplex, Super Duplex and many other materials on request.

Various other connection types and size are available – Hub, Threaded, Welded.

Standard Temperature range up to 120 Deg C to 200 Deg C– Soft Seated.

All NPT connection threads are Single Point CNC machined.

All products have material traceability and pressure test certificates to BS EN 10204 3.1. A unique code is stamped on all valve bodies linking them to their material and chemical analysis certificates.

A smaller unit vs the traditional hook-up, bringing both piping and instrumentation isolation into one unit – this means; Less weight, which is significant on the top side of a platform, when you combine all the pressure instrument take-offs. Typical installation it is reduced from 33kg to 7kg, a weight reduction of 75%

Weight reduction is also an issue when take-off is horizontal, this instils a bending moment and could cause critical fracture of pipeline interface and is generally overcome by adding more stanchions to support traditional installation, which adds even more weight.

Cost reduction – typically 30% saving over traditional installation, which jumps up to 70% in the case of valves made from exotic materials for more exacting processes!

Cost saving on site – the cost of one factory tested component, as opposed to different piping valves, instrument valves, flanges, connections and flanged seal rings and then the cost to raise purchase orders and expediting department to chase the parts in goods receivable, etc., and then the shipping costs are larger and weightier, specs must all be taken into account, rises in cost can be 30% of the overall cost.

Specifications:

PSI Rating:   From 6,000 to 10,000PSI

Temperature:   Up to 200 Deg C (Soft Seat)

Packing:   PTFE or Graphite

Connection Size:    From 1/2” to 1”

Handle:   Lever and ‘T’ Bar

Seat:   Soft (PCTFE/PEEK)

Bore:   10mm/14mm/20mm    

Firesafe:  BS6755 Pt2, API 607, API 6FA, ISO 10497