The UFMS4 valve is an Aseptic Pressure Relief Valve, used to protect pumps and related equipment from pressure spikes downstream. It can relieve pressure from 0-10 bar and includes controls for monitoring pressure relief events and actuating the valve during clean in place. Vital for maintaining aseptic conditions and ensuring product quality and safety in processes where sterility is paramount and pressure relief is necessary.

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FEATURES

The UFMS4 aseptic pressure relief valve is essential for maintaining system sterility, particularly in environments where contamination poses significant risks. It is crucial in processes requiring a sterile environment, preventing contamination while relieving excess pressure.

Benefits:

Optimum cleanability

· No limitation on stroke due to seat lift actuator; full opening cross-section is available during cleaning

· 3-A approved and designed to EHEDG guidelines for hygienic operation

Minimize Operational Downtime

· Enhance control for improved response to pressure relief events; facilitated by proximity switches or control unit feedback

· All valves feature a seat lifting function to open the valve during cleaning operation reducing downtime

Optimize Process Efficiency

· Protects pumps with an external over pressure relief valve. If the pump discharge pressure exceeds the preset cracking pressure, the valve will open to provide a relief path.

· Choose from a range of options to standardize operations, available in nominal diameters from DN25 to DN100 and ISO 1” to 4

Features and Benefits:

· Innovative fan support mechanism extends operating pressure range and diaphragm lifespan

· Standard seat lift actuator includes feedback switches for enhanced functionality

· Four different actuators enable a wide range of pressure settings

· Flat, easily cleanable single-layer diaphragm design allows for immediate leakage detection

· Suitable for process pressures of up to 145 psi (10 bar).

· High temperature capability.

· Easy and cost-effective maintenance compared with bellows provides lower cost of ownership.

· UFMS4 available with USP Class VI approved diaphragm and diaphragm shaft material.

· The metal stop ensures defined compression of the seat seal, reducing material stress.

· UFMS4 valves compatible with a comprehensive range of CU4 and CU4plus control units

Product Specifications

Specifications
Dimensions
Options

Materials:

Product wetted parts: AiSi 316L, 1.4404(DIN EN 10088)
Non-Product wetted parts: AiSi 304, 1.4301 (DIN EN 10088)
Seal: EPDM, HNBR, FPM (FDA Compliant)
Diaphragm: TFM

Size:

1" - 4" O.D Tube
DN25 - DN100

Pressure Ratings:

Operating Pressure: 0 - 10 bar; 0 - 145psi

Control Air Pressure

Min. 87 psi (6 bar), max. 116 psi (8 bar)

Temperature Ratings

EPDM, HNBR: Max. 275ºF (135°C), short time 284ºF (140ºC) - no steam
FPM (not to be used for hot water) 212ºF (100°C)

Sterilization Temperature (approx. 20 min.):

EPDM 302ºF (150ºC)
HNBR 284ºF (140ºC)

Housing / Body Configurations:

A comprehensive range of valve housings and body configurations are available to accommodate various requests.

Control Units:

The APV UFMS4 valves can be equipped with a wide array of CU4 and CU4plus control units. These units are electrically designed for direct connection (DC) to a PLC system (CU4, CU4plus Direct Connect) and to fieldbus protocols like AS-i. Additionally, CU4plus also supports fieldbus protocols such as IO-Link.

Proximity Switches:

Proximity switches detect valve full open or close conditions during any necessary CIP cleaning.

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