'%3e%3cpath%20d='M10%2010.5V17h12.5v5.5l-21%20.038V15l8.5-4.5ZM1%206h11M6.5%202H12M5.5%2022.5V19'/%3e%3cpath%20d='M21.21%2017.012%2020.14%201.5h-4.28l-1.07%2015.512M15.516%206.49h4.967'/%3e%3c/g%3e%3cdefs%3e%3cclipPath%20id='a'%3e%3cpath%20fill='%23fff'%20d='M0%200h24v24H0z'/%3e%3c/clipPath%3e%3c/defs%3e%3c/svg%3e){kind=small}
Alfa Laval Air Actuated Valve 771L-21M-15-X-316L
Need answers fast?
Explore the manual using AI.
The Alfa Laval Air Actuated Valve 771L-21M-15-X-316L is a high-performance valve designed for efficient fluid control in industrial applications. This robust valve features an air-actuated mechanism, ensuring reliable operation and longevity in demanding environments. Perfect for various processes, it enhances system efficiency and safety.
Turn manuals into instant answers
with your AI-powered assistantTurn manuals into instant answers
with your AI-powered assistant
Complete asset maintenance, one click away
Get instant access to all the maintenance information you need. Empower technicians to perform preventive maintenance with asset packages, ready to use right out of the box.
Documents & Manuals
Find all the essential guides in one place.
Tensioning Guide- Belt-diagram
- C-120 pulleys
+ 13 more
Work Order Templates
Pre-built workflows to keep your asset running smoothly.
- Daily Electrical System Inspection
- Replace Roller and Pulley
- Install Engine B-120
+ 29 more
Procedures
Integrate maintenance plans directly into your work orders.
- Motion Industries
- Applied Industrial Technologies
- Electrical Brothers
+ 5 more
Parts
Access the parts list for your equipment in MaintainX.
- Drive Motor
- B2 Rollers
- Tensioning System
+ 40 more
Alfa Laval Air Actuated Valve 771L-21M-15-X-316L
Create an account to install this asset package.
Maintenance Plans for Alfa Laval Air Actuated Valve Model 771L-21M-15-X-316L
Integrate maintenance plans directly into your work orders in MaintainX.
Actuator Maintenance
Valve Inspection
Inspect Valve Body Seat(s) for nicks and scratches and other signs of excessive wear
Inspect Valve Stem & Seat(s) rubber or PTFE seat(s) for signs of cracking, tearing, checking, or excessive wear
Inspect stem finish for galling, nicks, or scratches
Inspect Split Bushing for signs of cracks, nicks, scratches or excessive wear on inside diameter
Inspect O-ring(s) for cuts, abrasions, flat spots, or other damage
Upload photos of any damage found
Sign off on the valve inspection
Parts for Alfa Laval Air Actuated Valve 771L-21M-15-X-316L
Access the parts list for your equipment in MaintainX.
Diaphragm
35-1
Screw
SC1309H-SS
Spring
4-2-S
O-Ring
17-5-U
Gasket
17-88
Diaphragm
35-1
Screw
SC1309H-SS
Spring
4-2-S
O-Ring
17-5-U
Gasket
17-88
Diaphragm
35-1
Screw
SC1309H-SS
Spring
4-2-S
O-Ring
17-5-U
Gasket
17-88
Unlock efficiency
with MaintainX CoPilot
MaintainX CoPilot is your expert colleague, on call 24/7, helping your team find the answers they need to keep equipment running.
'%20stroke-width='2.05034'/%3e%3cpath%20d='M43.601%2020.8897C43.2688%2019.252%2042.7312%2017.6627%2042.001%2016.1597'%20stroke='url(%23paint1_linear_4912_14668)'%20stroke-width='2.05034'/%3e%3cpath%20d='M40.001%2012.8882C38.8627%2011.3731%2037.516%2010.0265%2036.001%208.88818'%20stroke='url(%23paint2_linear_4912_14668)'%20stroke-width='2.05034'/%3e%3cpath%20d='M32.729%206.89053C31.2266%206.1604%2029.638%205.62282%2028.001%205.29053'%20stroke='url(%23paint3_linear_4912_14668)'%20stroke-width='2.05034'/%3e%3cpath%20d='M24.001%2014.8901V24.8901L32.001%2032.8901'%20stroke='url(%23paint4_linear_4912_14668)'%20stroke-width='2.05034'/%3e%3cdefs%3e%3clinearGradient%20id='paint0_linear_4912_14668'%20x1='4'%20y1='25'%20x2='44'%20y2='25'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint1_linear_4912_14668'%20x1='3.5'%20y1='20.8897'%20x2='44'%20y2='20.8897'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint2_linear_4912_14668'%20x1='3.5'%20y1='12.8882'%20x2='44.5'%20y2='12.8882'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint3_linear_4912_14668'%20x1='6.5'%20y1='6.89053'%20x2='43.5'%20y2='6.89053'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint4_linear_4912_14668'%20x1='5'%20y1='32.8901'%20x2='44'%20y2='32.8901'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3c/defs%3e%3c/svg%3e){kind=small}
Reduce Unplanned Downtime
Ensure your team follows consistent procedures to minimize equipment failures and costly delays.
'%20stroke-width='2.05034'/%3e%3cpath%20d='M46.667%2041.7231C46.667%2044.5079%2045.5607%2047.1786%2043.5916%2049.1478C41.6225%2051.1169%2038.9518%2052.2231%2036.167%2052.2231C33.3822%2052.2231%2030.7115%2051.1169%2028.7424%2049.1478C26.7732%2047.1786%2025.667%2044.5079%2025.667%2041.7231C25.667%2038.9384%2026.7732%2036.2677%2028.7424%2034.2985C30.7115%2032.3294%2033.3822%2031.2231%2036.167%2031.2231C38.9518%2031.2231%2041.6225%2032.3294%2043.5916%2034.2985C45.5607%2036.2677%2046.667%2038.9384%2046.667%2041.7231Z'%20stroke='url(%23paint1_linear_4912_14680)'%20stroke-width='2.05034'/%3e%3cpath%20d='M37.334%2035.8896V40.5563H42.0007'%20stroke='url(%23paint2_linear_4912_14680)'%20stroke-width='2.05034'/%3e%3cdefs%3e%3clinearGradient%20id='paint0_linear_4912_14680'%20x1='5'%20y1='52.2231'%20x2='51'%20y2='52.2231'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint1_linear_4912_14680'%20x1='5'%20y1='52.2231'%20x2='47'%20y2='52.2231'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint2_linear_4912_14680'%20x1='5'%20y1='40.5563'%20x2='52.5'%20y2='40.5563'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3c/defs%3e%3c/svg%3e){kind=small}
Maximize Asset Availability
Keep your assets running longer and more reliably, with standardized maintenance workflows from OEM manuals.
'%20stroke-width='2.05034'/%3e%3cpath%20d='M13.9995%2024.2231C13.9995%2029.1738%2015.9662%2033.9217%2019.4669%2037.4224C22.9675%2040.9231%2027.7155%2042.8897%2032.6662%2042.8897C37.6169%2042.8897%2042.3648%2040.9231%2045.8655%2037.4224C49.3662%2033.9217%2051.3328%2029.1738%2051.3328%2024.2231C51.3328%2019.2724%2049.3662%2014.5244%2045.8655%2011.0237C42.3648%207.52306%2037.6169%205.5564%2032.6662%205.5564C27.7155%205.5564%2022.9675%207.52306%2019.4669%2011.0237C15.9662%2014.5244%2013.9995%2019.2724%2013.9995%2024.2231Z'%20stroke='url(%23paint1_linear_4912_14674)'%20stroke-width='2.05034'/%3e%3cpath%20d='M32.6665%2017.2231V12.5564'%20stroke='url(%23paint2_linear_4912_14674)'%20stroke-width='2.05034'/%3e%3cpath%20d='M32.6665%2035.8898V31.2231'%20stroke='url(%23paint3_linear_4912_14674)'%20stroke-width='2.05034'/%3e%3cpath%20d='M37.9165%2020.7231V19.5565C37.9165%2018.9376%2037.6707%2018.3441%2037.2331%2017.9066C36.7955%2017.469%2036.202%2017.2231%2035.5832%2017.2231H29.7498C29.131%2017.2231%2028.5375%2017.469%2028.0999%2017.9066C27.6623%2018.3441%2027.4165%2018.9376%2027.4165%2019.5565V20.6018C27.4166%2021.1326%2027.5977%2021.6475%2027.9298%2022.0615C28.262%2022.4756%2028.7254%2022.764%2029.2435%2022.8791L36.0895%2024.4005C36.6077%2024.5157%2037.071%2024.8041%2037.4032%2025.2181C37.7353%2025.6321%2037.9164%2026.147%2037.9165%2026.6778V28.8898C37.9165%2029.5086%2037.6707%2030.1021%2037.2331%2030.5397C36.7955%2030.9773%2036.202%2031.2231%2035.5832%2031.2231H29.7498C29.131%2031.2231%2028.5375%2030.9773%2028.0999%2030.5397C27.6623%2030.1021%2027.4165%2029.5086%2027.4165%2028.8898V27.7231'%20stroke='url(%23paint4_linear_4912_14674)'%20stroke-width='2.05034'/%3e%3cdefs%3e%3clinearGradient%20id='paint0_linear_4912_14674'%20x1='5'%20y1='33.5'%20x2='50'%20y2='33.5'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint1_linear_4912_14674'%20x1='5'%20y1='42.8897'%20x2='48.5'%20y2='42.8897'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint2_linear_4912_14674'%20x1='5'%20y1='17.2231'%20x2='52.5'%20y2='17.2231'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint3_linear_4912_14674'%20x1='3.5'%20y1='35.8898'%20x2='50.5'%20y2='35.8898'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint4_linear_4912_14674'%20x1='3'%20y1='31.2231'%20x2='52'%20y2='31.2231'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23246CFF'/%3e%3cstop%20offset='1'%20stop-color='%232ED888'/%3e%3c/linearGradient%3e%3c/defs%3e%3c/svg%3e){kind=small}
Lower Maintenance Costs
Turn any technician into an expert to streamline operations, maintain more assets, and reduce overall costs.
Thousands of companies manage their assets with MaintainX
'%3e%3cpath%20fill='url(%23b)'%20d='M66.008%2080.068c-5.084-.786-9.763-3.834-12.442-8.68a16.942%2016.942%200%200%201-1.87-5.18c1.096.19%202.203.476%203.298.87%206.525%202.333%2010.836%207.68%2011.014%2012.99ZM51.47%2061.576c.488-5.524%203.62-10.716%208.847-13.597a17.132%2017.132%200%200%201%2011.335-1.882c-.798%208.145-7.43%2014.848-16.038%2015.599-1.417.119-2.799.07-4.144-.12Zm28.564-11.478a17.513%2017.513%200%200%201%203.727%204.62c4.608%208.335%201.584%2018.813-6.75%2023.409a16.988%2016.988%200%200%201-4.359%201.679%2019.624%2019.624%200%200%201-3.977-12.776c.346-7.561%204.942-13.931%2011.36-16.932Z'/%3e%3cpath%20fill='%23110F0D'%20fill-rule='evenodd'%20d='M142.831%2048.324h4.977V77.03h-4.977V48.324Zm27.278%2013.002c.322%201.048.453%202.263.453%203.62v12.073h-4.787V66.208c0-.75-.047-1.572-.154-2.143-.453-2.382-1.822-3.572-4.215-3.572-2.31%200-3.882%201.274-4.43%203.476-.143.596-.226%201.405-.226%202.25v10.8h-4.787V56.623h4.477v2.989c1.536-2.5%203.906-3.43%206.371-3.43%203.488%200%206.263%201.68%207.298%205.144Zm24.636%207.323c0%203.882-2.358%206.525-5.763%207.727-1.298.453-2.632.643-4.62.643h-10.169V48.324h9.085c1.691%200%203.156.143%204.049.38%203.465.93%205.727%203.68%205.727%207.335%200%202.441-.81%204.156-2.762%205.644%202.905%201.417%204.453%203.727%204.453%206.966Zm-15.634-8.656h4.584c1.024%200%201.917-.143%202.536-.417%201.215-.548%201.905-1.608%201.905-3.167%200-1.548-.643-2.572-1.845-3.132-.691-.31-1.762-.452-2.763-.452h-4.417v7.168Zm10.716%208.465c0-1.536-.893-3.37-3.227-3.893-.428-.095-1.036-.143-1.571-.143h-5.918v8.085h5.501c.56%200%201.429-.048%201.953-.167%201.94-.453%203.262-1.846%203.262-3.882Zm47.747-11.847-8.097%2020.408h-4.429l-8.109-20.408h5.191l5.192%2014.574%205.108-14.574h5.144Zm-20.218%2010.002c0%20.69-.036%201.262-.155%201.94h-15.943c.631%202.87%202.714%204.728%205.882%204.728%202.131%200%203.607-.882%204.703-2.525h4.87c-1.762%204.144-5.204%206.692-9.657%206.692-6.084%200-10.537-4.858-10.537-10.49%200-6.108%204.524-10.776%2010.335-10.776%206.239%200%2010.442%204.954%2010.502%2010.43Zm-4.763-1.405c-.333-2.846-2.643-4.858-5.691-4.858-2.894%200-5.287%201.929-5.621%204.858h11.312Zm-72.667%203.44c0%204.787-3.287%208.371-9.419%208.371H119.363V64.66c-1.917.274-3.87.69-5.811%201.238l4.537%2011.121h-5.418l-3.596-9.585c-5.144%202.084-10.085%205.216-14.217%209.585h-4.786L101.8%2048.312h4.56l5.68%2013.883a44.112%2044.112%200%200%201%207.323-1.774V48.312h9.084c1.703%200%203.156.143%204.061.393%203.453.929%205.727%203.667%205.727%207.323%200%201.917-.738%204.179-2.81%205.691%203.06%201.56%204.501%204.025%204.501%206.93Zm-15.634-8.667a62.664%2062.664%200%200%201%202.06-.036c1.703.012%203.239.131%204.608.37%201.441-.549%202.357-1.727%202.357-3.537%200-1.941-.881-3.144-2.488-3.667-.548-.18-1.358-.286-2.322-.286h-4.215v7.156Zm-16.55%203.905-3.715-9.894-6.394%2016.502c2.833-2.595%206.263-4.858%2010.109-6.608Zm27.254%204.74c0-2.775-3.131-4.347-8.513-4.418-.715%200-1.441.011-2.191.047v8.252h5.918c2.548%200%204.786-1.37%204.786-3.882Z'%20clip-rule='evenodd'/%3e%3c/g%3e%3cdefs%3e%3clinearGradient%20id='b'%20x1='51.47'%20x2='85.916'%20y1='62.946'%20y2='62.946'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23CD9F28'/%3e%3cstop%20offset='1'%20stop-color='%23ECD80B'/%3e%3c/linearGradient%3e%3cclipPath%20id='a'%3e%3cpath%20fill='%23fff'%20d='M51.47%2045.728h186.104V80.14H51.47z'/%3e%3c/clipPath%3e%3c/defs%3e%3c/svg%3e)
More from Alfa Laval
Explore Other Assets
© 2025 MaintainX. All rights reserved.