Weflo Fire Protect Valve
Weflo Fire Protect Valve
Weflo Fire Protect Pressure Reducing Valve
Weflo fire protect pressure reducing valve work to reduces ahigher intelet pressure to a lower outlet pressure.
Weflo Valve Features :
- Constant outlet pressure low range
- Pilot-operated main valve
- Can be maintained without remove from the pipe line
- Adjustable opening stabilized regulation at near-zero flow
Other Weflo Series :
Detail Specification
Fluid | water, oil, air, inert gas" |
Working pressure | Gas 0.05~0.9MPa Liquid0.05~1.6MPa |
Differential pressure actuated | 0.05MPa or more full-time |
Fluid temperature | -20℃~60℃ |
Ambient temperature | -20℃~60℃(That the fluid does not freeze but) |
Electrical ratings | Continuity |
The allowable voltage fluctuation rate | +10%,-15% |
Weflo Fire Protect
Weflo Fire Protect Swing Check Valve FIG.F0311
Weflo fire protect swing check valve feature such as inspection or replacement all parts without removing the valve from the line
Weflo Valve Features :
- Gravity Operated, swing check design
- Excellent flow characteristics
- Rubber disc facing and bronze seat ring
- Flanged connection are drilled per ASME B16.1 Class 125
- Bolted cover
Other Weflo Series :
Detail Specification
Fluid | Clean air |
Fluid temperature | -20~60℃ |
Ambient temperature | -20~60℃ |
Duty cycle | 100% Continously rated |
Electrical Specification | See below |
Weflo Fire Protect
Weflo Fire Protect Swing Check Valve FIG.F0311
Weflo fire protect swing check valve feature such as inspection or replacement all parts without removing the valve from the line
Weflo Valve Features :
- Gravity Operated, swing check design
- Excellent flow characteristics
- Rubber disc facing and bronze seat ring
- Flanged connection are drilled per ASME B16.1 Class 125
- Bolted cover
Other weflo Series :
Detail Specification
ASME Classes | 150 and 300 |
Primary seal type | The block-and-bleed and double block-and-bleed |
Secondary seat seals | Metal-to-Metal |
WEFLO
FIRE PROTECT
SWING CHECK

Weflo Fire Protect
Weflo Pressure Switch Fire Protect FIG.WPS
The Weflo UL / FM Pressure Switch (WPS Series) is used in wet, dry, deluge, or pre-action automatic sprinkler systems. They are designed for both indoor and outdoor use, with a temperature range of -40° C.
Weflo Valve Features :
- Enclosure with die cast finish, red
powder coated - Designed and built for accuracy
and repeatability - UL/ULC listed
- FM Approved
Other Weflo Series :
Detail Specification
Fluid | Cleanair" |
Working pressure | 0.1 ~ 0.99MPa |
Duty cycle | 100% Continouly rated |
Fluid temperature | -20 ~ 60℃ |
Ambient temperature | -20 ~ 60℃ |
Operating Volta range | +10,-15% |
Standard Voltage | See below |
Weflo Check Valve
Weflo Check Valve
Weflo Silent Check Valve FIG.5104/5105
Weflo Silent Check Valve designed for liquid service and offers many obvious advantages when compered with conventional
swing check valve
Weflo Valve Features :
- The design is for liquid service
- Spring automatically closes disc atzero flow before flow reversal occurs
- Perfect tightness soft sealed even at low differential pressure
Other Weflo Series :
Detail Specification
Fluid | Air, Inert Gas |
Working pressure | 0.12 ~ 0.99MPa |
Duty cycle | 100% Continouly rated |
Fluid temperature | -20 ~ 60℃ |
Ambient temperature | -20 ~ 60℃ |
Operating Volta range | +10,-15% |
Standard Voltage | See below |
Weflo Check Valve
Weflo Silent Check Valve FIG.5104/5105
Weflo Silent Check Valve designed for liquid service and offers many obvious advantages when compered with conventional
swing check valve
Weflo Valve Features :
- The design is for liquid service
- Spring automatically closes disc atzero flow before flow reversal occurs
- Perfect tightness soft sealed even at low differential pressure
Other Weflo Series :
Detail Specification
Connection Size | From 1/4" to 1" |
PSI Ratings | From 6,000 PSI to 10,000 PSI |
Temperature | 240 Deg C / 540 Deg C |
Bore | 0.21" (5.4mm) |
Seat | Metal to Metal |
Weflo Solenoid Valve
Weflo Flex Check Valve FIG.5207
Weflo Flex Check Valve have a threaded Port with pipe plug on the bottom of valve to allow for field installation of a backflow actuator.
Weflo Valve Features :
- Athreaded port with pipe plug on the bottom of valve
- Slamming and water hammer virtually non -existent due to its short closing level
- Full top-entry access for easy on-line inspection and maintenance
Other Weflo Series :
Detail Specification
Fluid | Clean air |
Working pressure | 0 ~ 0.99MPa |
Duty cycle | 100% Continouly rated |
Fluid temperature | -20 ~ 60℃ |
Ambient temperature | -20 ~ 60℃ |
Operating Volta range | +10,-15% |
Standard Voltage | See below |
Weflo Gate Valve
Weflo Gate Valve
Weflo OS&Y Metal Seated Gate Valve FIG.3111
This Weflo OS&Y Metal Seated Gate Valve have face to face dimensions in accordance with EN558-1 basic series3, series 14 or series 15, ASME B 16. 10.
Weflo Valve Features :
- Comply with EN1171, BS5150, BS3464, or MSS SP-70
- Flange and drilling complies with
EN1092-2 PN16 - Adjustable stem seal
- GOST Certification
Other Weflo Series :
Detail Specification
Fluid | Clean air |
Working pressure | 0~0.99MPa |
Fluid temperature | -20~60℃ |
Signal air pressure range | 0.06~0.14MPa |
Operating Volta range | +10,-15% |
Weflo Gate Valve
Weflo OS&Y Metal Seated Gate Valve FIG.3111
This Weflo OS&Y Metal Seated Gate Valve have face to face dimensions in accordance with EN558-1 basic series3, series 14 or series 15, ASME B 16. 10.
Weflo Valve Features :
- Comply with EN1171, BS5150, BS3464, or MSS SP-70
- Flange and drilling complies with EN1092-2 PN16
- Adjustable stem seal
- GOST Certification
Other Weflo Series :
Detail Specification
Connection Size | From 1/4" to 1" |
PSI Ratings | From 6,000 PSI to 10,000 PSI |
Temperature | 240 Deg C / 540 Deg C |
Bore | 0.21" (5.4mm) |
Seat | Metal to Metal |
Weflo Gate Valve
Weflo OS&Y Resilient Seated Gate Valve
Weflo OS&Y Resilient Seated Gate Valve Featured Face to face dimension complies with ASME B16.10 and EN550 series 3
Weflo Valve Features :
- Meet or exceed the requirements of AWWA C515 standard
- Full waterway
- Adjustable packing
- Handwheel-open left or open right
- Face to face dimension complies with ASME B16.10 and EN558 series 3
Other Weflo Series :
Detail Specification
Fluid | Oil,Water |
Max.Working pressure | 0.27MPa(2.67bar) |
Max.Liquid temperature | 80℃ |
Weflo Pressure Relief Valve
Weflo Pressure Relief Valve
Weflo Pressure Relief Valve FIG.1319
This Weflo pressure relief valve limits inlet pressure by relieving exess pressure and prevents inlet pressure from dropping below a predetermined minimum
Weflo Valve Features :
- Operate over a wide flow range
- Can be maintained without removal from the pipe line
- Groove and to AWWA C606 standard
Pressure Relief Materials :
- Body: Ductile Iron
- Bonnet: Ductile Iron
- Seat: Stainless Steel
- Stem: Stainless Steel
- Spring: Stainless Steel
Detail Specification
Measure range | 6~20m |
Seat | 80A(3″)JIS5K |
Contact (Microswitch) | Back-mounted type |
Weflo Pressure Relief Valve
Weflo Pressure Relief Valve FIG.1319
This Weflo pressure relief valve limits inlet pressure by relieving exess pressure and prevents inlet pressure from dropping below a predetermined minimum
Weflo Valve Features :
- Operate over a wide flow range
- Can be maintained without removal from the pipe line
- Groove and to AWWA C606 standard
Pressure Relief Materials :
- Body: Ductile Iron
- Bonnet: Ductile Iron
- Seat: Stainless Steel
- Stem: Stainless Steel
- Spring: Stainless Steel
Detail Specification
Connection Size | ¼” through to ½” |
PSI Ratings | From 6,000 PSI to 10,000 PSI |
Temperature | 240 Deg C / 540 Deg C |
Bore | 0.21" (5.4mm) |
Seat | Metal to Metal |
WEFLO
PRESSURE RELIEF VALVE

Weflo Globe Valve
Weflo Globe Valve
Weflo Triple Duty Globe Valve FIG.1918
This Weflo Triple Duty Globe Valve have a three valve in one such balancing valve, check valve and globe valve. This valve also face to face length in accordance with EN558-1
basic series 1
Weflo Valve Features :
- Soft sealed for perfect tightness even at low differential pressure
- Can be set in conjuction with flow charts
- Two test points located on each valve
- Grooved to metric or AWWA C606
Other Weflo Series :
Detail Specification
Measuring range | 0.3~1.2m |
Seat | Perimeter and bolt pitch are 50A(2″) JIS10K. Special flange of 2-1/2″ (67.5 mm) inside diameter |
Contact(Microswatch) | Back-Embedded type |
Contact capacity | AC125V15A |
Weflo Ball Valve
Weflo Ball Valve
Weflo Ball Valve Fig.4102
The industry has numerous use of the Weflo Ball valve Fig.4102 and in order to ensure that these valve remains functional during the operation, it is safe to maintain it before it gets
corroded away.
Weflo Valve Features :
- Valve comply with DIN SP-72
- Low oprating torque
- Actuator-ready with top-flange in accordance to ISO5211
Weflo Ball Valve Materials :
- Body: Ductile Iron
- End Cap: Ductile Iron
- Ball: Stainless Steel
- Stem: Stainless Steel
- Body Seat: Teflon/Graphite
Detail Specification
Measure range | 6~20m |
Seat | 80A(3″)JIS5K |
Contact (Microswitch) | Back-mounted type |
Weflo Rubber Expansion Joint
Weflo Rubber Expansion
Weflo Double Sphere Union Type Rubber Expansion joint
Double Sphere Union Type Rubber Expansion joint with multi-sphere structure so that the vibration absorption is better and noise reduction efficiency is significant.
Weflo Valve Features :
- High working pressure, anti-burst and good elasticity
- Malleable iron fittings with Zinc plated, NPT or BSPT thread
- Neoprene suitable for water, sewage, oxidant and non-aromatic hydrocarbons
Other Weflo Series :
Detail Specification
Measuring range | 0.3~1.2m |
Seat | Perimeter and bolt pitch are 50A(2″) JIS10K. Special flange of 2-1/2″ (67.5 mm) inside diameter |
Contact(Microswatch) | Back-Embedded type |
Contact capacity | AC125V15A |
Weflo Butterfly Valve
Weflo Butterfly Valve
Weflo EN 593 Center Line Butterfly Valve
Weflo EN 593 Center Line Butterfly Valve has a Vulcanized Disc design that provides bubble tight shut-off every time. Low torque operation – high cycle life. Gear Operated. Includes built-in Supervisory (Tamper) Switch.
Weflo Valve Features :
- Flange and drilling complies with EN1092 PN10/16
- Rubber seat liner bonded on the body
- Operated with gear operator
Other weflo Series :
Detail Specification
Measure range | 6~20m |
Seat | 80A(3″)JIS5K |
Contact (Microswitch) | Back-mounted type |
Weflo Air Relief Valve
Weflo Air Relief Valve
Weflo Automatic Air Vent Valve Fig.9701
Weflo automatic air vent valve float is connected to the vent via a linkage mechanism which is capable of operating the vent under
full pipeline pressure
Weflo Valve Features :
- Small orifice of 1/16 in. (1.6mm) to release air under pressure during normal pipe line operation
- NPT or Metric thread of inlet
- WRAS approved
Other Weflo Series :
Detail Specification
Measuring range | 0.3~1.2m |
Seat | Perimeter and bolt pitch are 50A(2″) JIS10K. Special flange of 2-1/2″ (67.5 mm) inside diameter |
Contact(Microswatch) | Back-Embedded type |
Contact capacity | AC125V15A |