Standard 157, Edition 2
UL 157

Standard for Gaskets and Seals

UL Standard Edition 2 Published Date: March 08, 1996 Last Revision: March 02, 2015

$402.00-$998.00

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March 02, 2015 Revision
March 12, 2007 Revision
June 30, 1999 Revision
May 29, 1998 Revision
May 09, 1997 Revision
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July 17, 2014
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Summary of Topics (SOT)
July 09, 2015 View
November 02, 2012 View
April 29, 2010 View
October 20, 2009 View
December 09, 1998 N/A
May 05, 1998 N/A
March 27, 1998 N/A
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Referenced Standards (0)

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Reverse Referenced Standards (168)

UL 157 is referenced in the following list of UL Standards

StandardEditionTitle
25 10 Meters for Flammable and Combustible Liquids and LP-Gas
25 10 Meters for Flammable and Combustible Liquids and LP-Gas
25A 2 Meters for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations Up to 85 Percent (E0 - E85)
25A 2 Meters for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations Up to 85 Percent (E0 - E85)
25B 2 Meters for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
25B 2 Meters for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
47 7 Semiautomatic Fire Hose Storage Devices
48 15 Electric Signs
58 10 Standard for Steel Underground Tanks for Flammable and Combustible Liquids
79 11 ANSI/CAN/UL/ULC Power-Operated Pumps for Petroleum Dispensing Products
79 11 Power-Operated Pumps for Petroleum Dispensing Products
79A 2 ANSI/CAN/UL/ULC Power-Operated Pumps for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations up to 85 Percent (E0 - E85)
79A 2 Power-Operated Pumps for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations up to 85 Percent (E0 - E85)
79B 2 ANSI/CAN/UL/ULC Power-Operated Pumps for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
79B 2 Power-Operated Pumps for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
82 9 Electric Gardening Appliances
83 16 Standard for Thermoplastic-Insulated Wires and Cables
87 12 Standard for Power-Operated Dispensing Devices for Petroleum Products
87A 2 Power-Operated Dispensing Devices for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations up to 85 Percent (E0 - E85)
87B 2 Power-Operated Dispensing Devices for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
87C 7 Outline of Investigation for Power-Operated Dispensing Devices for Diesel Exhaust Fluid
119 5 Outline of Investigation for Adapters, Fittings and Couplings for Anhydrous Ammonia and Fuel Gases
123 12 Oxy-Fuel Gas Torches
124 6 Outline of Investigation for Hand-Operated Pumps for Flammable and Combustible Liquids and Battery Operated Pumps for Combustible Liquids
125 10 ANSI/CAN/UL/ULC Flow Control Valves for Anhydrous Ammonia and LP-Gas
125 10 Flow Control Valves for Anhydrous Ammonia and LP-Gas
141 9 Garment Finishing Appliances
142 10 Steel Aboveground Tanks for Flammable and Combustible Liquids
147 7 Hand-Held Torches For Fuel Gases
147A 4 Nonrefillable (Disposable) Type Fuel Gas Cylinder Assemblies
147B 5 Nonrefillable (Disposable) Type Metal Container Assemblies for Butane
162 8 Foam Equipment and Liquid Concentrates
193 12 Alarm Valves for Fire-Protection Service
194 6 Standard for Gasketed Joints for Ductile-Iron Pipe and Fittings for Fire Protection Service
199 13 Automatic Sprinklers for Fire-Protection Service
213B 6 Outline of Investigation for Welded Outlet Fittings for Fire Protection Systems
312 11 ANSI/CAN/UL/ULC Check Valves for Fire-Protection Service
330A 2 Hose and Hose Assemblies for Use With Dispensing Devices Dispensing Gasoline and Gasoline/Ethanol Blends With Nominal Ethanol Concentrations Up To 85 Percent (E0 - E85)
330B 2 Hose and Hose Assemblies for Use With Dispensing Devices Dispensing Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends With Nominal Biodiesel Concentrations Up To 20 Percent (B20), Kerosene, and Fuel Oil
331A 2 Strainers for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations Up to 85 Percent (E0 - E85)
331A 2 Strainers for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations Up to 85 Percent (E0 - E85)
331B 2 Strainers for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
331B 2 Strainers for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
331C 2 Outline of Investigation for Fuel Filtration Units
343 9 Pumps for Oil-Burning Appliances
353 5 Standard for Limit Controls
399 8 Drinking Water Coolers
401 5 Portable Spray Hose Nozzles for Fire-Protection Service
412 5 Refrigeration Unit Coolers
428A 2 Electrically Operated Valves for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations Up to 85 Percent (E0 - E85)
428B 2 Electrically Operated Valves for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations Up To 20 Percent (B20), Kerosene, and Fuel Oil
471 10 Commercial Refrigerators and Freezers
498E 1 Attachment Plugs, Cord Connectors and Receptacles - Enclosure Types for Environmental Protection
514D 2 Cover Plates for Flush-Mounted Wiring Devices
520 3 STANDARD FOR FIRE HYDRANTS
541 9 Refrigerated Vending Machines
555S 5 Smoke Dampers
567A 2 Emergency Breakaway Fittings, Swivel Connectors and Pipe-Connection Fittings for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations up to 85 Percent (E0 - E85)
567A 2 Emergency Breakaway Fittings, Swivel Connectors and Pipe-Connection Fittings for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations up to 85 Percent (E0 - E85)
567B 2 Emergency Breakaway Fittings, Swivel Connectors and Pipe-Connection Fittings for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
567B 2 Emergency Breakaway Fittings, Swivel Connectors and Pipe-Connection Fittings for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
574 8 Electric Oil Heaters
639 8 Intrusion-Detection Units
674 6 Electric Motors and Generators for Use in Hazardous (Classified) Locations
753 8 Alarm Accessories for Automatic Water-Supply Control Valves for Fire Protection Service
773A 6 Nonindustrial Photoelectric Switches for Lighting Control
778 6 Motor-Operated Water Pumps
789 10 Indicator Posts for Fire-Protection Service
810A 1 Electrochemical Capacitors
842A 2 Valves for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations up to 85 Percent (E0 - E85)
842A 2 Valves for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations up to 85 Percent (E0 - E85)
842B 2 Valves for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
842B 2 Valves for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
875 10 Electric Dry-Bath Heaters
921 8 Standard for Commercial Dishwashers
963 4 Standard for Sealing, Wrapping, and Marking Equipment
971 2 Nonmetallic Underground Piping For Flammable Liquids
987 8 Standard for Stationary and Fixed Electric Tools
1058 4 Standard for Halogenated Agent Extinguishing System Units
1081 7 Swimming Pool Pumps, Filters, and Chlorinators
1091 7 ANSI/CAN/UL/ULC Butterfly Valves for Fire-Protection Service
1091 7 Butterfly Valves for Fire-Protection Service
1091A 4 Outline of Investigation for Butterfly Valve Indicator Posts for Fire Protection Service
1199 2 Standard for Recreational Boats Less Than 20 Feet in Length
1201 1 Sensor Operated Backwater Prevention Systems
1201 1 Sensor Operated Backwater Prevention Systems
1238 7 Control Equipment for Use with Flammable Liquid and LP-Gas Dispensing Devices
1254 6 Pre-Engineered and Engineered Dry and Pre-Engineered Wet Chemical Extinguishing System Units
1254 6 ANSI/CAN/UL/ULC Standard for Pre-Engineered and Engineered Dry and Pre-Engineered Wet Chemical Extinguishing System Units
1285 8 Pipe and Couplings, Polyvinyl Chloride (PVC), and Oriented Polyvinyl Chloride (PVCO) for Underground Fire Service
1285 8 Pipe and Couplings, Polyvinyl Chloride (PVC), and Oriented Polyvinyl Chloride (PVCO) for Underground Fire Service
1349 1 LP-Gas Vaporizers
1349 1 LP-Gas Vaporizers
1358 5 Outline of Investigation for Compressed Gas Check Valves and Hose Couplers
1362 2 Outline of Investigation for Gas Boosters
1384 1 Water-Based Automatic Extinguisher Units
1384 1 Water-Based Automatic Extinguisher Units
1385 4 Outline of Investigation for Cryogenic Submersible Pump Cable
1431 3 Personal Hygiene and Health Care Appliances
1447 6 Standard for Electric Lawn Mowers
1474 5 Standard for Adjustable Drop Nipples for Sprinkler Systems
1477 5 Outline of Investigation for Compressed Gas Shutoff Valves
1478 5 Fire Pump Relief Valves
1486 4 Quick Opening Devices for Dry Pipe Valves for Fire Protection Service
1489 1 Fire Tests of Fire Resistant Pipe Protection Systems Carrying Combustible Liquids
1559 5 Insect-Control Equipment - Electrocution Type
1618 2 Wall Protectors, Floor Protectors, and Hearth Extensions
1703 3 Flat-Plate Photovoltaic Modules and Panels
1713 4 Standard for Pressure Pipe and Couplings, Glass Fiber-Reinforced, for Underground Fire Service
1739 6 Pilot-Operated Pressure-Control Valves for Fire-Protection Service
1746 3 Standard for External Corrosion Protection Systems For Steel Underground Storage Tanks
1769 5 Cylinder Valves
1795 5 Standard for Hydromassage Bathtubs
1861 8 Outline of Investigation for Power-Operated Chemical Pumps and Compressors
1889 2 Commercial Filters for Cooking Oil
1973 3 ANSI/CAN/UL Batteries for Use in Stationary and Motive Auxiliary Power Applications
1978 4 Grease Ducts
2003 7 Outline of Investigation for LP-Gas Cylinder Assemblies
2061 3 Standard for Adapters and Cylinder Connection Devices for Portable LP-Gas Cylinder Assemblies
2080 1 Standard for Fire Resistant Tanks for Flammable and Combustible Liquids
2096 3 Standard for Commercial/Industrial Gas and/or Oil-Burning Assemblies With Emission Reduction Equipment
2127 4 Inert Gas Clean Agent Extinguishing System Units
2127 4 Inert Gas Clean Agent Extinguishing System Units
2158 6 Electric Clothes Dryers
2161 2 Standard for Neon Transformers and Power Supplies
2166 3 Halocarbon Clean Agent Extinguishing System Units
2200 3 Stationary Engine Generator Assemblies
2208 3 Standard for Solvent Distillation Units
2225 5 Cables and Cable-Fittings For Use In Hazardous (Classified) Locations
2227 2 Standard for Overfilling Prevention Devices
2245 2 Standard for Below-Grade Vaults for Flammable Liquid Storage Tanks
2267 3 Standard for Fuel Cell Power Systems for Installation in Industrial Electric Trucks
2272 2 Electrical Systems for Personal E-Mobility Devices
2351 3 Spray Nozzles for Fire-Protection Service
2351 3 Spray Nozzles for Fire-Protection Service
2388 2 Flexible Lighting Products
2443 5 Flexible Sprinkler Hose with Fittings for Fire Protection Service
2443 5 Flexible Sprinkler Hose with Fittings for Fire Protection Service
2580 3 Batteries for Use In Electric Vehicles
2580 3 Batteries for Use In Electric Vehicles
2583 1 ANSI/CAN/UL/ULC Standard for Safety for Fuel Tank Accessories for Flammable and Combustible Liquids
2583 1 ANSI/CAN/UL/ULC Standard for Safety for Fuel Tank Accessories for Flammable and Combustible Liquids
2586A 2 Hose Nozzle Valves for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations up to 85 Percent (E0 - E85)
2586A 2 Hose Nozzle Valves for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations up to 85 Percent (E0 - E85)
2586B 2 Hose Nozzle Valves for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
2586B 2 Hose Nozzle Valves for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil
2594 3 Electric Vehicle Supply Equipment
2703A 1 Outline of Investigation for Flashing Devices and Systems for Rooftop-Mounted Photovoltaics
2734 4 Connectors and Service Plugs for Use with On-Board Electrical Vehicle (EV) Charging Systems
2750 1 Wireless Power Transfer Equipment for Electric Vehicles
2753 2 Outline of Investigation for Battery Operated Ride-On Lawn Mowers
2775 2 Standard for Fixed Condensed Aerosol Extinguishing System Units
2775 2 Standard for Fixed Condensed Aerosol Extinguishing System Units
2790 1 Commercial Incinerators
2901 1 Antifreeze Solutions for Use in Fire Sprinkler Systems
3030 1 Unmanned Aircraft Systems
3730 1 Photovoltaic Junction Boxes
6703 1 Connectors for Use in Photovoltaic Systems
9540 3 Energy Storage Systems and Equipment
121201 9 Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations
60335-1 6 Standard for Safety of Household and Similar Appliances, Part 1: General Requirements
61131-2 2 Programmable Controllers - Part 2: Equipment Requirements and Tests
61810-1 1 Electromechanical Elementary Relays - Part 1: General Requirements
62368-1 3 Audio/Video, Information and Communication Technology Equipment - Part 1: Safety Requirements
60947-5-1 4 Low-Voltage Switchgear and Controlgear - Part 5-1: Control Circuit Devices and Switching Elements - Electromechanical Control Circuit Devices
60947-5-2 4 Low-Voltage Switchgear and Controlgear - Part 5-2: Control Circuit Devices and Switching Elements - Proximity Switches
60335-2-67 2 Household and Similar Electrical Appliances - Safety - Part 2-67: Particular Requirements for Floor Treatment Machines, for Commercial Use
60335-2-72 2 Household and Similar Electrical Appliances - Safety - Part 2-72: Particular Requirements for Floor Treatment Machines With or Without Traction Drive, for Commercial Use
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