{"product_id":"esbe-vri111-dn25-insulation-shell-for-vrg-and-vrb-valves","title":"ESBE VRI111 DN25 Insulation Shell VRG VRB Valves | 16103900","description":"\u003c!-- SEO Product Name: ESBE VRI111 DN25 Insulation Shell VRG VRB Valves | 16103900 --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; color:#222222; line-height:1.6; font-family:Arial, Helvetica, sans-serif;\"\u003e\n\u003cp style=\"margin:0 0 14px 0;\"\u003eThe \u003cstrong\u003eESBE VRI111 DN25 insulation shell\u003c\/strong\u003e is a \u003cstrong\u003epurpose-made two-part cover for ESBE 3-way rotary valves\u003c\/strong\u003e in the \u003cstrong\u003eVRG100, VRG200, VRG300 and VRB100\u003c\/strong\u003e series. Moulded in \u003cstrong\u003eblack EPP foam\u003c\/strong\u003e, it forms a \u003cstrong\u003etight seal around the valve body\u003c\/strong\u003e to stop air circulating around the casting and to \u003cstrong\u003ecut standing heat loss by up to 65%\u003c\/strong\u003e compared with an uninsulated valve system (ESBE datasheet example using 30 mm insulation).\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px 0;\"\u003eThe shell has a \u003cstrong\u003estrong self-locking design\u003c\/strong\u003e, so \u003cstrong\u003eno tape, springs or clips\u003c\/strong\u003e are needed to hold the halves together. It is shaped so that the \u003cstrong\u003eactuator sits outside the insulation\u003c\/strong\u003e, preventing the actuator from overheating, and it also \u003cstrong\u003eprotects against burns\u003c\/strong\u003e from hot valve bodies. The prepared fourth opening lets you \u003cstrong\u003einsulate 4-way valves\u003c\/strong\u003e with a simple cut.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:10px; margin:20px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; text-align:center; background:#f1f8f7; border-top:4px solid #008377CF; padding:12px 8px; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold; color:#008377CF;\"\u003eUp to 65%\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#444444;\"\u003eHeat-loss reduction (ESBE example)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; text-align:center; background:#f1f8f7; border-top:4px solid #008377CF; padding:12px 8px; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold; color:#008377CF;\"\u003eDN25\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#444444;\"\u003eShell size for DN25 valves\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; text-align:center; background:#f1f8f7; border-top:4px solid #008377CF; padding:12px 8px; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold; color:#008377CF;\"\u003eEPP\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#444444;\"\u003eBlack foam, 35 g\/l\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; text-align:center; background:#f1f8f7; border-top:4px solid #008377CF; padding:12px 8px; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold; color:#008377CF;\"\u003e0.035 W\/mK\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#444444;\"\u003eThermal conductivity\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; text-align:center; background:#f1f8f7; border-top:4px solid #008377CF; padding:12px 8px; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold; color:#008377CF;\"\u003eNo tape\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#444444;\"\u003eSelf-locking halves\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; text-align:center; background:#f1f8f7; border-top:4px solid #008377CF; padding:12px 8px; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:bold; color:#008377CF;\"\u003e16103900\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#444444;\"\u003eESBE article number\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:6px solid #a06a00; background:#fff6e0; padding:12px 16px; margin:14px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#a06a00; margin-bottom:4px;\"\u003eMatch the shell to the valve size\u003c\/div\u003e\n\u003cdiv\u003eThis shell is for \u003cstrong\u003eDN25 valves only\u003c\/strong\u003e. It suits DN25 valves such as the \u003cstrong\u003eVRG231, VRG232, VRG331 and VRG332\u003c\/strong\u003e (DN25). Always confirm the valve DN before ordering, as the shell is moulded to the valve body.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:6px solid #b3261e; background:#fdecea; padding:12px 16px; margin:14px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#b3261e; margin-bottom:4px;\"\u003eFit safely\u003c\/div\u003e\n\u003cdiv\u003eFit the shell \u003cstrong\u003eonly after the system has been pressure tested and commissioned\u003c\/strong\u003e, and allow hot valves and pipework to cool first. Do not enclose the actuator in insulation; the shell is designed to leave it exposed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:6px solid #008377CF; background:#f1f8f7; padding:12px 16px; margin:14px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#008377CF; margin-bottom:4px;\"\u003eDesigned to EnEV2009\u003c\/div\u003e\n\u003cdiv\u003eThe shell was developed in line with the German \u003cstrong\u003eEnEV2009\u003c\/strong\u003e energy directive and is designed to reduce heat losses and \u003cstrong\u003eair circulation around the valve\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size:20px; color:#008377CF; margin:30px 0 12px 0; padding-bottom:6px; border-bottom:2px solid #008377CF; font-weight:bold;\"\u003eKey features\u003c\/h3\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:12px; margin:14px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #cfe5e2; border-top:4px solid #008377CF; border-radius:4px; padding:12px 14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#008377CF; margin-bottom:6px;\"\u003e\u003cstrong\u003eUp to 65% less heat loss\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px;\"\u003eESBE's datasheet shows a system with 30 mm insulation reduces heat losses by \u003cstrong\u003e65%\u003c\/strong\u003e compared with an uninsulated system.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #cfe5e2; border-top:4px solid #008377CF; border-radius:4px; padding:12px 14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#008377CF; margin-bottom:6px;\"\u003e\u003cstrong\u003eSelf-locking shells\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px;\"\u003eA \u003cstrong\u003estrong self-locking function\u003c\/strong\u003e holds the two halves together, so \u003cstrong\u003eno tape or springs\u003c\/strong\u003e are required.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #cfe5e2; border-top:4px solid #008377CF; border-radius:4px; padding:12px 14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#008377CF; margin-bottom:6px;\"\u003e\u003cstrong\u003eTight valve-specific fit\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px;\"\u003eShaped for ESBE valves to give a \u003cstrong\u003etight seal\u003c\/strong\u003e against air circulation and heat loss around the body.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #cfe5e2; border-top:4px solid #008377CF; border-radius:4px; padding:12px 14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#008377CF; margin-bottom:6px;\"\u003e\u003cstrong\u003eActuator stays outside\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px;\"\u003eThe design keeps any \u003cstrong\u003eactuator outside the insulation\u003c\/strong\u003e to avoid overheating it.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #cfe5e2; border-top:4px solid #008377CF; border-radius:4px; padding:12px 14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#008377CF; margin-bottom:6px;\"\u003e\u003cstrong\u003e4-way ready\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px;\"\u003eDesigned for 3-way valves, with a prepared 4th opening that opens with \u003cstrong\u003eone simple cut\u003c\/strong\u003e when insulating a 4-way valve.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #cfe5e2; border-top:4px solid #008377CF; border-radius:4px; padding:12px 14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:bold; color:#008377CF; margin-bottom:6px;\"\u003e\u003cstrong\u003eLightweight EPP foam\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px;\"\u003e\n\u003cstrong\u003eBlack EPP, 35 g\/l\u003c\/strong\u003e with a thermal conductivity of \u003cstrong\u003e0.035 W\/mK\u003c\/strong\u003e. The shell weighs just \u003cstrong\u003e0.023 kg\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size:20px; color:#008377CF; margin:30px 0 12px 0; padding-bottom:6px; border-bottom:2px solid #008377CF; font-weight:bold;\"\u003eTechnical specification\u003c\/h3\u003e\n\u003cdiv style=\"border:1px solid #008377CF; border-radius:4px; margin:14px 0; overflow:hidden;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:bold; padding:8px 14px;\"\u003eProduct identification\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#f1f8f7; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eBrand\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eESBE\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#ffffff; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eModel\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eVRI111 insulation shell, DN25\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#f1f8f7; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eManufacturer part number\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e16103900\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#ffffff; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eSeries\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eVRI100\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #008377CF; border-radius:4px; margin:14px 0; overflow:hidden;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:bold; padding:8px 14px;\"\u003eMaterials and performance\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#f1f8f7; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eMaterial\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eEPP, black, 35 g\/l\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#ffffff; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eThermal conductivity\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e0.035 W\/mK\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#f1f8f7; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eDesign standard\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eEnEV2009\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#ffffff; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eHeat-loss reduction\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e65% with 30 mm insulation versus uninsulated (ESBE example)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #008377CF; border-radius:4px; margin:14px 0; overflow:hidden;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:bold; padding:8px 14px;\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#f1f8f7; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eA x B x C x D\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e117 x 117 x 84 x 50 mm (per ESBE drawing)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#ffffff; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eWeight\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e0.023 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #008377CF; border-radius:4px; margin:14px 0; overflow:hidden;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:bold; padding:8px 14px;\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#f1f8f7; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eValve series\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eESBE VRG100, VRG200, VRG300 and VRB100\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#ffffff; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eValve size\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eDN25\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; padding:8px 14px; background:#f1f8f7; border-bottom:1px solid #d9e8e6;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:bold; color:#008377CF;\"\u003eValve type\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e3-way rotary valves (4-way valves with one cut)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size:20px; color:#008377CF; margin:30px 0 12px 0; padding-bottom:6px; border-bottom:2px solid #008377CF; font-weight:bold;\"\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin:8px 0; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:10px 14px; cursor:pointer; font-weight:bold;\"\u003eWhich valves does the VRI111 DN25 fit?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;\"\u003eIt fits ESBE \u003cstrong\u003eDN25 3-way rotary valves\u003c\/strong\u003e from the \u003cstrong\u003eVRG100, VRG200, VRG300 and VRB100\u003c\/strong\u003e series. It suits DN25 valves such as the \u003cstrong\u003eVRG231, VRG232, VRG331 and VRG332\u003c\/strong\u003e (DN25).\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin:8px 0; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:10px 14px; cursor:pointer; font-weight:bold;\"\u003eDo I need tape or clips to hold it on?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;\"\u003eNo. The halves have a \u003cstrong\u003estrong self-locking function\u003c\/strong\u003e, so \u003cstrong\u003eno tape, springs or other accessories\u003c\/strong\u003e are needed.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin:8px 0; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:10px 14px; cursor:pointer; font-weight:bold;\"\u003eCan I leave the actuator fitted?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;\"\u003eYes. The shell is designed so the \u003cstrong\u003eactuator remains outside the insulation\u003c\/strong\u003e, which also avoids overheating the actuator.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin:8px 0; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:10px 14px; cursor:pointer; font-weight:bold;\"\u003eCan I use it on a 4-way valve?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;\"\u003eYes. The shell is made for 3-way valves, and on a 4-way valve you \u003cstrong\u003ecut open the prepared fourth opening\u003c\/strong\u003e.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin:8px 0; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:10px 14px; cursor:pointer; font-weight:bold;\"\u003eHow much heat loss does it save?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;\"\u003eESBE states a system with \u003cstrong\u003e30 mm insulation reduces heat losses by 65%\u003c\/strong\u003e compared with an uninsulated system. Actual savings depend on the installation.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"ESBE","offers":[{"title":"Default Title","offer_id":67580840214918,"sku":"16103900","price":17.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/esbe-insulation-shell.jpg?v=1791355053","url":"https:\/\/qualityheating.co.uk\/products\/esbe-vri111-dn25-insulation-shell-for-vrg-and-vrb-valves","provider":"AIZO Quality Heating","version":"1.0","type":"link"}