● What are Fire Valves?
Fire valves are valves specially used to control the flow of water or other fire extinguishing agents in fire protection systems. They play a vital role in ensuring the effective operation of sprinkler systems, standpipes, hydrants and other fire suppression systems.
● What products are included in Fire Valves?
1.Flange Resilient OS&Y Gate Valve XZ41X:
Resilient seated gate valve with flange ends for use in water distribution systems. The valve is operated by a rising stem and handwheel, and the elastic seat provides a tight seal to the gate.
2.Flanged Resilient OS&Y Gate valve Z45X:
Resilient seated gate valve with flange ends for use in water distribution systems. The valve is operated by a rising stem and handwheel, and the elastic seat provides a tight seal to the gate. This valve is similar to the XZ41X valve but may have a different pressure rating or materials of construction.
3.Flanged Resilient OS&Y Gate valve Z45XC
Resilient seated gate valve with flange ends for use in water distribution systems. The valve is operated by a rising stem and handwheel, and the elastic seat provides a tight seal to the gate. This valve is similar to the Z45X valve but may have different construction materials or features.
4.Flanged Resilient OS&Y Gate valve Z41XS:
Resilient seated gate valve with flange ends for use in water distribution systems. The valve is operated by a rising stem and handwheel, and the elastic seat provides a tight seal to the gate. This valve is similar to the XZ41X valve but may have different construction materials or features.
5.Flanged Resilient NRS Gate Valve:
Concealed stem gate valve with flange ends for use in water distribution systems. The valve is operated by a handwheel, and the valve stem does not rise when the valve is opened or closed.
6.Flanged Resilient OS&Y Gate valve Z45XS:
Resilient seated gate valve with flange ends for use in water distribution systems. The valve is operated by a rising stem and handwheel, and the elastic seat provides a tight seal to the gate. This valve is similar to the Z45X valve but may have different construction materials or features.
7.Grooved Resilient OS&Y Gate Valve XZ81X:
A resilient seated gate valve with grooved ends for use in water distribution systems. The valve is operated by a rising stem and handwheel, and the elastic seat provides a tight seal to the gate. This valve is similar to the XZ41X valve but has a grooved end instead of a flanged end.
8.Grooved Resilient NRS Gate Valve Z85X:
Concealed stem gate valve with grooved ends for use in water distribution systems. The valve is operated by a handwheel, and the valve stem does not rise when the valve is opened or closed. This valve is similar to the Z85X valve but has a grooved end instead of a flanged end.
9.Flanged x Grooved Resilient NRS Gate Valve:
A concealed stem gate valve with a flange end and a grooved end suitable for use in water distribution systems. The valve is operated by a handwheel, and the valve stem does not rise when the valve is opened or closed.
10.Flanged x Grooved Resilient OS&Y Gate Valve:
A resiliently seated gate valve having a flange end and a groove end suitable for use in water distribution systems. The valve is operated by a rising stem and handwheel, and the elastic seat provides a tight seal to the gate.
11.Vertical Indicator Post:
A device used to indicate the position of the gate valve stem. The indicator post is usually mounted on the valve cover and connected to the valve stem. When the valve stem moves, the indicator column moves up and down, indicating the position of the valve.
12.Wall Indicator Post:
A device used to indicate the position of the gate valve stem. The indicator post is usually mounted on the wall near the valve and attached to the valve stem. When the valve stem moves, the indicator column moves up and down, indicating the position of the valve.
13.Supervisory Switch For OS&Y Gate Valve:
Switch for monitoring the position of OS&Y gate valves. The switch is usually mounted on the valve cover and connected to the valve stem. When the valve is open, the switch is closed, and when the valve is closed, the switch is open.
14.Wafer Butterfly Valve:
Butterfly valve installed between two flanges. The valve is operated by a lever or actuator, and the disc rotates to control the flow of fluid.
15.Lugged Wafer Butterfly valve:
A wafer-type butterfly valve with lugs on the valve body for bolting to the flange.
16.Grooved butterfly valve:
Butterfly valve with grooved ends for connection to grooved pipes. The valve is operated by a lever or actuator, and the disc rotates to control the flow of fluid.
17.Grooved butterfly valve with tamper switch:
Grooved butterfly valve with tamper switch to prevent unauthorized operation. The switch is usually mounted on the valve body and connected to the disc. When the valve is open, the switch is closed, and when the valve is closed, the switch is open.
18.Double eccentric grooved butterfly valve:
Grooved butterfly valve with double eccentric disc. The double eccentric design reduces seat and disc wear, thereby extending the service life of the valve.
19.Grooved fire butterfly valve:
Grooved butterfly valve designed for use in fire protection systems. The valve is usually made of ductile iron or steel and has a high pressure rating.
20.Threaded butterfly valve with tamper switch:
Threaded butterfly valve with tamper switch to prevent unauthorized operation. The switch is usually mounted on the valve body and connected to the disc. When the valve is open, the switch is closed, and when the valve is closed, the switch is open.
21.Indoor Fire Hydrant:
Fire hydrants installed indoors. Indoor fire hydrants are commonly used in commercial and industrial buildings.
22.Grooved Resilient Swing Check valve:
Swing check valve with grooved ends for connection to grooved pipes. The valve is operated by a spring-loaded disc that swings open to allow flow in one direction and closed to prevent flow in the opposite direction.
23.Flanged Resilient swing Check Valve:
Swing check valve with flange end for connection to flanged pipe. The valve is operated by a spring-loaded disc that swings open to allow flow in one direction and closed to prevent flow in the opposite direction.
24.Double Door Grooved Check Valve:
A check valve with two doors that allow flow in one direction when open and prevent flow in the opposite direction when closed. The valve has grooved ends for connection to grooved pipes.
25.Double-door wafer check valve:
A check valve with two doors that allow flow in one direction when open and prevent flow in the opposite direction when closed. The valve is installed between two flanges.
26.Flanged Y-Type strainer:
A strainer installed in a pipe to remove debris from a fluid. This strainer has a Y-shaped body and a removable screen.
27.Water flow Indicator:
A device that indicates the flow of water in a pipe. This indicator is usually installed in the pipe and connected to a sensor that measures flow.
28.Water flow Indicator with retard:
A water flow indicator that has a delay mechanism to slow the flow of water. The delay mechanism is usually a valve or a series of dampers.
29.Grooved Wet Alarm Check Valve:
Check valve installed in a wet pipe fire sprinkler system. The valve is operated by a spring-loaded disc that swings open to allow water to flow in one direction and closed to prevent water from flowing in the opposite direction. The valve has grooved ends for connection to grooved pipes.
30.Flange Wet Alarm Check Valve:
Check valve installed in a wet pipe fire sprinkler system. The valve is operated by a spring-loaded disc that swings open to allow water to flow in one direction and closed to prevent water from flowing in the opposite direction. The valve has a flange end for connection to a flanged pipe.
31.Flange Wet Alarm Check Valve:
Check valve installed in a wet pipe fire sprinkler system. The valve is operated by a spring-loaded disc that swings open to allow water to flow in one direction and closed to prevent water from flowing in the opposite direction. The valve has a flange end for connection to a flanged pipe.
32.Deluge alarm Valve:
A valve used to release water in a deluge fire sprinkler system. The valve is operated by a solenoid valve or mechanical linkage. When a fire alarm is activated, a solenoid valve or linkage opens the valve, allowing water to flow into the sprinkler system.
33.Preaction alarm Valve:
Valves for pre-action sprinkler systems. The valve remains closed through the main pipe until the fire alarm is activated. When the fire alarm is activated, the main pipe is pressurized, opening the valve and allowing water to flow into the sprinkler system.
34.Pressure reducing valve:
A valve used to reduce water pressure in a pipe. The valve is usually installed in the pipeline and regulated to maintain the required pressure downstream of the valve.
35.Pressure Switch:
A switch used to sense water pressure in pipes. The switch is usually installed in the pipe and is adjusted to activate when the pressure reaches a certain level.
36.supervisory Switch for Indicator post:
Switch for monitoring the position of the indicator column. The switch is usually mounted on the indicator post and connected to the valve stem. When the indicator column is in the up position, the switch is closed, and when the indicator column is in the down position, the switch is open.
37.Dry Barrel Fire Hydrant:
The barrel of a fire hydrant is below the frost line. The bucket is filled with water and connected to the water main. When the fire hydrant is opened, water flows up the barrel and out of the fire hydrant.
38.dry Riser landing Valve Flanged:
Valves installed in dry riser systems. The valve is flanged and connected to the standpipe. When the valve is open, water flows into the standpipe and out of the sprinkler head.
39.Dry riser landing valve thread:
Valves installed in dry riser systems. The valve is threaded and connected to the standpipe. When the valve is open, water flows into the standpipe and out of the sprinkler head.
40.Electric inspector’s test Connection:
Connection for testing fire hydrant water flow. The connection is usually located on the side of the hydrant and is equipped with a cap.
41.Manual inspector test connection:
Connection for testing fire hydrant water flow. The connection is usually located on the side of the hydrant and is equipped with a valve.
● Fire valves comply with standards
In fire valves, numbers such as 300 PSI, 200 PSI, and 250 PSI usually refer to the pressure rating of the valve. PSI stands for pounds per square inch and indicates the pressure at which a valve can operate safely.
NFPA-13R, NFPA-72, NFPA-13, and NFPA-13D are codes and standards established by the National Fire Protection Association (NFPA) that govern the design, installation, and maintenance of fire protection systems, including fire dampers.
PN10/16/25 refers to the pressure level of the European standard valve flange connection, in bar. These pressure ratings represent the maximum pressure at which the valve can safely operate in a given application.
● Materials used for fire valves:
1.ASTM A536:
Standard Specification for Carbon and Alloy Steel Forgings for Pressure Vessel Components.
This material is commonly used for fire valve bodies and bonnets, providing strength and durability.
2.65-45-12:
Refers to a bronze alloy containing approximately 65% copper, 45% zinc, and 12% lead.
This alloy is known for its corrosion resistance and is often used in fire valves due to its ability to withstand harsh environments.
3.AISI 304:
Standard designation for austenitic stainless steel.
AISI 304 is widely used in fire valves due to its excellent corrosion resistance, strength and durability.
4.AISI 316:
Another austenitic stainless steel grade.
AISI 316 has enhanced corrosion resistance compared to AISI 304, making it suitable for use in highly corrosive environments.
5.Cast Iron ASTM A126 Grade B:
Standard specification for gray iron castings.
Grade B cast iron is commonly used in fire valves due to its strength, durability and resistance to wear and tear.
6.EN-GJS-450-10:
European standards for ductile iron.
EN-GJS-450-10 is a high-strength ductile iron alloy used in fire valves with excellent mechanical properties and corrosion resistance.
7.ENJS1040:
Carbon steel European standard.
ENJS1040 is a medium carbon steel alloy used in fire valves for its strength and durability.
These materials are selected based on their suitability for use in fire protection systems, taking into account factors such as pressure rating, corrosion resistance, strength and durability. The specific materials used in fire dampers may vary depending on the intended application and the manufacturer’s design.
● Design standards for Fire Valves
1.AW WAC 515:
American Water Works Association (AWWA) Butterfly Valve Standard.
Provides design, materials, testing and performance requirements for butterfly valves used in water plant systems, including fire protection systems.
2.BS5163:
British Standard for resilient seated gate valves for use in waterworks.
Specifies requirements for the design, materials, testing and performance of resiliently seated gate valves for use in waterworks systems, including fire protection systems.
3.ASME B16.1 CL 125:
American Society of Mechanical Engineers (ASME) Standard for Cast Iron Flanged Valves and Flanged Fittings, Class 125.
Provides design, material, testing, and performance requirements for cast iron flanged valves, including fire valves, rated to a pressure rating of 125 pounds per square inch (psi).
4.AWWA C502-2014:
AWWA Waterworks Gate Valve Standard.
Specifies the design, materials, testing and performance requirements for gate valves used in waterworks systems, including fire protection systems.
5.AWWA C503-2014:
AWWA Waterworks Check Valve Standard.
Provides requirements for the design, materials, testing and performance of check valves used in water plant systems, including fire protection systems.
6.BS and DIN standards:
Refers to a combination of British Standards (BS) and German Institute for Standardization (DIN) standards.
These standards specify the design, materials, testing and performance requirements for various components used in fire protection systems, including fire dampers.
7.BS750:
British Fire Hydrant Specification Standard.
Specifies the design, materials, testing and performance requirements for fire hydrants, which are typically used in combination with fire valves.
8.EN1074-6:
European Fire Hydrant Standard – Part 6: Requirements and test methods for underground fire hydrants.
Provides requirements and testing methods for underground fire hydrants, including valves used in these systems.
9.BS EN14339:
British Fire Hydrant Standard – Specification for Underground Fire Hydrants.
Specifies requirements for the design, materials, testing and performance of underground fire hydrants, including valves used in these systems.
10.BS 5041:
British Standard for the specification of fire hose fixtures.
Provides requirements for the design, materials, testing and performance of fire hose fixtures (which may include fire valves).
11.BS 5154:
British Standard for specifications of fire hose reels.
Specifies requirements for the design, materials, testing and performance of fire hose reels (which may include fire valves).
These standards and certifications help ensure the quality, reliability and safety of fire dampers used in fire protection systems. They provide manufacturers, engineers and contractors with guidance on the design, manufacture, testing and installation of fire dampers that meet specific performance and safety requirements.
●Fire valve connection standard:
1.Groove to AWWA C606:
This refers to the type of fire valve grooved end connection that complies with American Water Works Association (AWWA) Standard C606.
Grooved end connections use mechanical couplings to secure the valve to the piping system.
2.Flange to ASME B16.1 CL 125:
This indicates that the fire valve has flanged end connections that comply with ASME B16.1 Class 125.
Flanges are bolted connections that provide a secure and leak-proof connection between the valve and piping system.
3.Flange ISO 5211:
This refers to the type of flange end connection in accordance with International Organization for Standardization (ISO) standard 5211.
ISO 5211 specifies dimensions, tolerances and pressure classes for flange connections.
4.NPT thread:
National Pipe Thread (NPT) refers to the standard form of thread used to join pipes and fittings.
NPT threads are commonly used for fire valve connections to ensure a tight and leak-free seal.
5.ASME B1.20.1:
This is an ASME standard that provides guidance for identifying piping system components, including valves.
Specifies marking requirements for valves, such as manufacturer name, pressure rating and size.
6.ASTM A888:
ASTM A888 is the standard specification for cast iron sewer pipes and fittings.
It covers requirements for the materials, dimensions and performance of cast iron soil pipes and fittings that may be used in drainage systems connected to fire valves.
7.Groove to ISO 6182:
This refers to the type of grooved end connection for fire valves in compliance with ISO 6182 standard.
ISO 6182 specifies dimensions, tolerances and pressure classes for grooved end connections.
8.Flange to BS EN 1092-2:1997:
This indicates that the fire damper has flanged end connections in accordance with British Standard (BS) EN 1092-2:1997.
BS EN 1092-2:1997 provides specifications for steel flanges, including dimensions, tolerances and pressure classes.
9.Groove to ISO 6182:
This refers to the type of grooved end connection for fire valves in compliance with ISO 6182 standard.
ISO 6182 specifies dimensions, tolerances and pressure classes for grooved end connections.
10.BS EN 593:
This is a British Standard that specifies the requirements for fire hydrant valves.
It covers the design, materials, testing and performance of fire hydrant valves, including connection types.
11.ISO 5211:
This is an ISO standard that specifies dimensions, tolerances and pressure classes for flange connections.
Commonly used in the design and manufacture of flange end connection fire valves.
12.AS 2129 TABLE E:
This refers to a specific table in Australian Standard (AS) 2129 which provides dimensions and specifications for flange connections.
AS 2129 Table E is generally used in the design and manufacture of fire dampers in Australia.
13.JIS B2212 10K:
This is a Japanese Industrial Standard (JIS) that specifies dimensions, tolerances and pressure classes for flange connections.
JIS B2212 10K is commonly used in the design and manufacture of fire dampers in Japan.
14.BS 10 TABLE D/E:
This refers to a specific table in British Standard (BS) 10 which provides dimensions and specifications for flange connections.
BS 10 TABLE D/E are commonly used in the design and manufacture of fire dampers in the UK.
15.ISO 7-1:
This is an ISO standard that sets out the general principles for drafting standards.
It provides guidance on the structure, content and presentation of standards, including those relating to fire dampers.
16.ASTM A888:
ASTM A888 is the standard specification for cast iron sewer pipes and fittings.
It covers requirements for the materials, dimensions and performance of cast iron soil pipes and fittings that may be used in drainage systems connected to fire valves.
●ANSI/AWWA C550 Standard
ANSI/AWWA stands for American National Standards Institute (ANSI) and American Water Works Association (AWWA). ANSI/AWWA C550 is a standard for check valves that specifically applies to water utility services. For fire valves, this means that the valve meets the requirements and standards set forth in ANSI/AWWA C550 for check valves used in water supply applications. This standard provides specifications for the design, construction, and performance of check valves used in water supply systems, including fire protection systems. This ensures that the valve meets specific reliability and performance standards.