Mechanical Supplies
Ball Valves
Supplied by
About
- Oventrop "Optibal" and "Optibal TW" quarter-turn ball valves in brass, low-lead brass and bronze, with PTFE seats and a full or reduced bore. The TW potable water version is built to DIN EN 13828 with no dead space, the ball stays surrounded by water, which is what keeps a rarely-used branch from becoming a stagnation point.
Application
Used for isolation on small-bore hydronic branches, fan coil connections, and potable and domestic hot water services, where they have largely replaced gate valves. Optibal TW is the recommended shutoff ahead of an "Aquastrom T" circulation valve on a hot water return
extended-stem and extended-handle versions clear the insulation on chilled water lines so the handle turns without breaking the vapour barrier.
Standards & Reference 6 cited
EN 12266-1
Pressure testing of metallic valves: the shell and seat tests a valve passes before it leaves the factory.
NSF/ANSI 61 Annex G
The lead-content limit within the drinking water standard: the basis of the 'lead-free' designation for potable water components.
NSF/ANSI 372
The standard that now carries the lead-content requirement for drinking water components, evaluating weighted average lead across wetted surfaces.
Also citedDIN EN 13828EN 1254DVGW W 270
Request for quotation
Get a price for this item
Send the quantity and the project. Our sales engineers reply with a quotation, usually within one working day.
More in this line
General Valves
5 products
View All
