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Connection description:-
1. TC is Tri-Clamp
2. TW is Tube Weld
3. NP is Threaded, NPT

Example: TC x NPT means Inlet x Outlet

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Clean Steam

Clean Steam & Sanitary Traps

Sanitary Steam Traps are designed to offer free flow-through internal passages by incorporating very smooth internal finishes (20-25 Ra). For periodic passivation and sanitation of the system, these traps offer a tri-clamp connection on the body to allow for removal of the thermal element.

Clean Steam Traps are steam traps designed for similar functionality as the sanitary traps, but do not offer the same level of surface finish.

What is Clean Steam or Pure Steam?

Clean Steam is steam that is made from deionized or distilled water in specialty boilers or steam generators. It is typically used in pharmaceutical applications such as sterilizers, fermenters and bioreactors as well as in the food production industries, distilleries and hospitals. Clean Steam should be used on any process that utilizes steam in such a way that it may come into direct contact with the end product and cause contamination. Industrial grade steam (most common grade of steam) is unsuitable for direct product contact because it contains contaminants from boiler additives, rust, and other heat transfer equipment. Pure Steam is clean steam that is produced to be virtually free of pyrogens and endotoxins, and is defined as “Water For Injection” or WFI.

Materials of construction

The Ultra-Pure water that is used to make clean steam has been depleted of all of its ions during the purification process, making it very chemically aggressive to metals, or “ion hungry.” Therefore, only corrosion resistant metals such as 316 Stainless Steel can be used in products that handle clean steam. It’s often required that the Stainless Steel in contact with Clean Steam must be passivated, a chemical process that removes any residual surface iron and promotes Chrome Oxide formation, further improving corrosion resistance.

Surface Finish

Smoothing the surfaces by means of polishing reduces the ridges and crevices where micro-organisms (bacteria) may grow. While mechanical polishing will reduce the surface ridges significantly, electro-polishing is required to meet the standards of sanitary systems. Electro- polishing is an electrochemical process that smoothes the surface of a metal object by removing surface metal ion by ion. Ra is measured in microinches and refers to the smoothness of a surface. The lower the Ra number, the smoother the surface and the less chance for surface contamination and microorganism growth.

Clean-in-place (CIP) & Sterilization-in-place (SIP)

CIP is a system which allows the automatic cleaning and disinfecting of plant equipment without dismantling, using cleaning fluids such as detergents, acids, alkalis, and water. CIP uses a high flow, highly turbulent solution to remove soil in the system. Chemicals are used to break up and remove the remaining soil. Sanitizer is then used to kill remaining microorganisms.

SIP is the process of sterilizing plant equipment without dismantling, usually following CIP procedures. SIP uses low pressure steam for sterilization purposes – typically 30 – 35 psig. The steam trap bodies must be passivated to remove any residual iron deposits as well as to promote a chrome oxide layer to enhance corrosion resistance of the stainless steel.

Connections

Because different facilities may identify different areas of potential contamination in a piping system, various end connections are available to satisfy customer needs.

Sanitary Tri-Clamp (TC) - A quick disconnect type fitting that meets sanitary piping standards allowing piping systems or products to be easily dismantled.

Tube Weld (TW) – a connection offered where welding of the steam trap is preferred for sanitary applications

NPT (NP) – a standard national pipe thread taper connection offered for applications with less stringent requirements, often considered on main line drip applications.

Manufacturing and Design Standards

ASME BPE – Provides requirements of equipment used in bioprocessing, pharmaceutical and other applications that require high hygienic levels.

USP 24 – Standard for Pharmaceutical Grade Water which specifies the chemical composition of the allowable number of contaminants.

FDA CFR Title 21-177.1550 – Standard for perfluorocarbon resins that may be safely used as components intended to contact food.

3A Sanitary Standards – Standards provide material specifications, design criteria and other necessary information for equipment types to satisfy public health concerns where a high degree of sanitation is required.

PROCESS: FDA300 Series high-capacity thermostatic clean steams traps are used on clean steam applications, and for condensate drainage on CIP/SIP systems and various process vessels.

ModelSizeTypeMax PMO (psig)Max Capacity @ Max PMO (lb/h)
FDA300-16-TCTC1 1/2"TC x TC905904

DRIP, PROCESS: The FDA400 Series thermostatic steam traps are used on clean steam applications as drip traps on piping runs as well as drainage for CIP/SIP systems and various process vessels. The FDA400 Series allows for a 90° connection on either the inlet or outlet capable of 360°orientation..

 

ModelSizeTypeMax PMO (psig)Max Capacity @ Max PMO (lb/h)
FDA401-12-TCTC1/2"TC x TC90950
FDA411-13-TCTC3/4"TC x TC903400
FDA413-13-TCTC3/4"TC x TC903400
FDA402-12-TCTC1/2"TC x TC90950
FDA403-12-TCTC1/2"TC x TC90950
FDA412-13-TCTC3/4"TC x TC903400

DRIP, PROCESS: The FDA500 Series thermostatic steam traps are used on clean steam applications as drip traps on piping runs as well as drainage for CIP/SIP systems and various process vessels.

ModelSizeTypeMax PMO (psig)Max Capacity @ Max PMO (lb/h)
FDA500-12-TCNP1/2"TC x NPT90950
FDA500-13-TCNP3/4"TC x NPT90950
FDA500-14-TCTC1"TC x TC90950
FDA510-12-TCNP1/2"TC x NPT903400
FDA500-16-TCTC1 1/2"TC x TC90950
FDA510-16-TCTC1 1/2"TC x TC903400
FDA510-14-TCNP1"TC x NPT903400
FDA510-14-TCTC1"TC x TC903400
FDA500-12-TCTC1/2"TC x TC90950
FDA500-12-TWTW1/2"TW x TW90950
FDA500-13-TCTC3/4"TC x TC90950
FDA500-14-TCNP1"TC x NPT90950
FDA510-12-TCTC1/2"TC x TC903400
FDA510-12-TWTW1/2"TW x TW903400
FDA510-13-TCNP3/4"TC x NPT903400
FDA510-13-TCTC3/4"TC x TC903400

DRIP, PROCESS: The FDA 600 Steam Traps are used on clean steam applications as drip traps on piping runs as well as drainage for CIP/SIP systems and various process vessels.

ModelSizeTypeMax PMO (psig)Max Capacity @ Max PMO (lb/h)
FDA600-12-NPNP1/2"NPT x NPT1104600
FDA600-12-TCNP1/2"TC x NPT1104600
FDA600-13-TCNP3/4"TC x NPT1104600
FDA600-13-TCTC3/4"TC x TC1104600
FDA600-14-NPNP1"NPT x NPT1104600
FDA600-14-TCNP1"TC x NPT1104600
FDA600-12-TCTC1/2"TC x TC1104600
FDA600-14-TCTC1"TC x TC1104600
FDA600-12-TWTW1/2"TW x TW1104600
FDA600-13-NPNP3/4"NPT x NPT1104600

DRIP, PROCESS: The FDA 800 Series Thermodynamic Clean Steam Traps are used in sanitary systems as drip traps on steam mains as well as for drainage on various process vessels such as separators and filters.

 

ModelSizeTypeMax PMO (psig)Max Capacity @ Max PMO (lb/h)
FDA800-12-NPNP1/2"NPT x NPT150500
FDA800-12-TCTC1/2"TC x TC150500
FDA800-12-TWTW1/2"TW x TW150500