{"id":5184,"date":"2024-03-23T17:12:12","date_gmt":"2024-03-23T16:12:12","guid":{"rendered":"https:\/\/rr-rieger.com\/ventile\/hygiene-shut-off-valves-esv\/"},"modified":"2025-12-22T14:44:50","modified_gmt":"2025-12-22T13:44:50","slug":"hygiene-absperrventile-esv","status":"publish","type":"ventile","link":"https:\/\/rr-rieger.com\/en\/valves\/hygiene-absperrventile-esv\/","title":{"rendered":"Hygiene shut-off valves ESV"},"template":"","meta":{"product_description":"

RIEGER ESV hygienic single-seat valves are used whenever maximum productivity, safety and quality are required. They can be found in plants in the dairy industry, the food industry, the pharmaceutical and chemical industries and biotechnology.<\/p>\n

The advanced valve concept, proven a thousand times over in daily use, guarantees a high degree of flexibility within the individual series. RIEGER ESV hygienic single-seat valves guarantee our customers the perfect problem solution for their liquid products.<\/p>\n

Thanks to the modular system, the conversion from hygienic to aseptic design, from \"air-opening\" to \"air-closing\" is possible without any problems. The dimensions can also be adapted to the conditions on site.<\/p>\n","technical_data":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Material<\/strong><\/td>\nin contact with the product
optional
not in contact with the product<\/td>\n		1.4404\/AISI316L
1.4435\/AISI316L
1.4301\/AISI304<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Seals<\/strong><\/td>\nO-rings\/seals<\/td>\nEPDM
(others on request)<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Temperatures<\/strong><\/td>\nmaximum<\/td>\nEPDM<\/td>\n<\/tr>\n
<\/td>\nContinuous operating temperature<\/p>\n

Sterilization temperature<\/td>\n

130 \u00b0C*<\/p>\n

150 \u00b0C* for a short time
(approx. 20 min)<\/td>\n<\/tr>\n

<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Press<\/strong><\/td>\nClosing pressure<\/p>\n

Control air pressure<\/td>\n

max. 6 bar<\/p>\n

min 6 bar -
max. 10 bar<\/td>\n<\/tr>\n

<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Surfaces<\/strong><\/td>\nin contact with the product
optional<\/p>\n

not in contact with the product<\/td>\n

Ra \u2264 0.8 \u00b5m
e-polished, other surfaces on request
Ra \u2264 1.6 \u00b5m<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Connections
Standard-
Pipe classes<\/strong><\/td>\n		DIN 11850-R2 (DIN 11866 A)
O.D.-Tube (DIN 11866 C)
DIN EN ISO 1127 (DIN 11866-B)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0<\/p>\n

*dependent on operating parameters<\/div>\n","benefits":"\n\n\n\n\n
Absolute product protection
<\/strong><\/td>\n		Technically vacuum-safe<\/p>\n

Securely chambered profile seal on the spindle of the hygienic single-seat valves
fulfills the functions of a wiper and a seal<\/p>\n

Axial sealing with O-rings in the valve seat<\/p>\n

No migration behind the O-rings due to unique O-ring groove<\/p>\n

No screw connections in the product chamber thanks to one-piece valve discs<\/p>\n

\u00a0<\/td>\n<\/tr>\n

Service friendliness<\/b><\/td>\n\u00a0<\/p>\n

Gasket replacement without special tools<\/p>\n

Drives completely maintainable<\/p>\n

Actuators can be converted from spring-closing to spring-opening and vice versa<\/p>\n

Low control air requirement<\/p>\n

Valve insert can be removed upwards<\/p>\n

\u00a0<\/td>\n<\/tr>\n

Economic efficiency<\/b><\/td>\nUpgrade to aseptic version possible<\/p>\n

Low pressure loss<\/p>\n

Spherical housing prevents dome and sump in the valve<\/p>\n

Full-stroke design shortens cleaning time with viscous media<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","electronic_feedback":"

\"\"<\/p>\n

The control head from Rieger was developed in collaboration between AWH and Rieger together with B\u00fcrkert.
Rieger thus offers you a tailor-made solution for your in-house hygienic and aseptic process valves, enabling them to be used even more efficiently and accurately.<\/b><\/p>\n

NON-CONTACT INDUCTIVE VALVE POSITION DETECTION (TEACH FUNCTION)<\/b><\/p>\n