An orifice plate is a thin plate with a hole in it, which is usually placed in a pipe; When a fluid passes through the orifice, its pressure builds up slightly upstream of the orifice, but as the fluid is forced to pass through the hole, the velocity increases and the fluid pressure decreases downstream. Each Orifice plate has a high-performance gasket made out of one of the validated compounds that we use for our standard Sanitary Gaskets range.
All standard Orifice Plates are made with 316L plates.
Our standard is electropolished on all plates.
Standards
We can provide all sanitary standards such as:
★ DIN32676 (Series A)
★ ISO1127 (DIN32676 Series B)
★ ASME BPE (DIN32676 Series C)
★ ISO2852
★ SMS3019
★ BS4285
★ and etc.
Material
★ EPDM
★ FKM
★ Platinum Silicone
★ PTFE
★ Steam-Flon
★ Other material on request
Approval Certification
★ FDA CFR 177.xxx
★ USP Class VI-121°C
★ European Pharmacopoeia 3.1.xxx
★ EC1935/2004 (EC10/2011)
★ TSE/BSE (ADIF) free (EME/410/01)
Orifice Plates With Bonded Gaskets
The standard Orifice plates with elastomer gaskets are normally bonded to the plate. This means that when the gasket fails the complete unit needs to be replaced. We also offer a removable slit gasket, which makes it easier to machine holes in the plate. It helps to avoid contamination of the gasket when machining takes place.
We offer a drilling service if plates need to be supplied with holes. Holes can be positioned in the centre or eccentric for self-draining capabilities.
General Orifice Plate
DIN11851 Removable Steam-Flon®
Orifice Plates With Tab Gaskets
Tabs are a helpful feature to stand-out and to be identified in the system, we can offer orifice plates with a tab; that can to visualize the presence of an orifice plate “in line” easy to recognize from the outside. Text can be laser engraved permanently on the tab indicating hole size, material heat number for example; The tab is very useful when positioning a plate with an eccentric self-draining hole.
The tabbed orifice plates are always mounted with a removable gasket either in one of the standard elastomers or with our unique Removable Steamflon ® (PTFE/316SS) gasket.
We always drill the hole opposite the tab, so the tab always points up.
For removable Steam-Flon gaskets we recommend to use MHP clamps (13MHP), these are also available with a slit for tabbed orifice plates. Follow the torque recommendations for a solid connection.
Vertical Orifice Plates Gaskets
A relatively new innovation are the conical plates used in vertical pipelines, so they become self-draining. A flat plate in a vertical pipeline is not self-draining, a conical plate pointing down is a self-draining solution. Orifice plates can be molded with bonded gaskets as a fixed set. They can also be installed with a removable elastomeric slit-gasket; This means that the gasket can be replaced when it is damaged, and the plate can be reused;
Slit-gaskets can be made in EPDM, Platinum Silicone and FKM; The moulded PTFE and removable Stem-Flon also are available.