Oliver Valves in the early 80's pioneered this concept, which has very much now become a stanard world wide. Each Double Block and bleed has a unique number recording its factory history and Oliver now has way above 100,000 of these units in snstallation world wide

FIrst isolation is to a full piping valve ASME V111 specification, ball configuration whether they be standard 2-ball valves isolate and needle vent, 3 needle valves or 3 ball valve are all fire safe certified valves

Any different variation, including vent injection, ball range, exotic matieral , all the options available from standard ball and needle valves

Click Here for the Oliver Double Block and Bleed Catalog

Features

• Smaller unit Vs. the traditional hook up
• Less Weight
• Cost Reduction
• Cost saving on site
• Safety
• Health and Safety
• Delivery

Available Materials:

• Carbon Steel
• 316 Stainless Steel
• Duplex ASTM A182 F51
• Super Duplex UNS S32760 
• Monel 400
• Ferralium 255  

 Available Sizes 

• 1/2"
• 3/4"
• 1"
• 1-1/2"
• 2"
• 3"

 Available Connections

• Threaded
• Flanged (RTJ, RF, SRF) 150lbs Thru 2500lbs

For pricing and availability of alternate sizes and materials please call our sales office at 1-888-343-3778 or e-mail us at sales@technicalspecialties.net