7.1 Check Valves – Tilting Disc
Product: Tilting Disc Check Valve
Design: Single-disc check valve with a pivoting disc that tilts to allow forward flow and closes quickly to prevent backflow, minimizing water hammer
Size Range: 2" to 60" (DN50–DN1500)
Pressure Rating: Up to ANSI Class 2500 / PN 420
Material Options: Carbon Steel, Stainless Steel, Duplex, Alloy Steel, Bronze
Operation: Automatic (non-return function)
Temperature Range: -29°C to +425°C (material dependent)
End Connections: Flanged, Butt Weld
Applications: Oil & Gas Pipelines, Petrochemical Plants, Power Generation, Water Transmission, Steam Systems
Special Features: Low pressure drop, Quick closing to prevent reverse flow, Minimizes water hammer, Fire-safe option available, Long service life
Standards: API 6D / API 594 / ISO 14313 / ASME B16.34
7.2 Check Valves – Non-Slam
Product: Non-Slam Check Valve
Design: Spring-assisted disc design that closes rapidly without slamming, eliminating water hammer and ensuring quiet operation
Size Range: 2" to 48" (DN50–DN1200)
Pressure Rating: Up to ANSI Class 1500 / PN 250
Material Options: Carbon Steel, Stainless Steel, Duplex, Alloy Steel, Bronze
Operation: Automatic (spring-assisted non-return function)
Temperature Range: -29°C to +400°C (material dependent)
End Connections: Flanged, Wafer, Lug, Butt Weld
Applications: Water Transmission, Oil & Gas, Petrochemical, Power Generation, HVAC, Pumping Stations
Special Features: Eliminates water hammer, Silent operation, Low cracking pressure, Compact design, Fire-safe option available
Standards: API 6D / API 594 / ASME B16.34 / MSS-SP-125
7.2.1 Check Valves – Non-Slam
Product: Non-Slam Check Valve (Spring Assisted)
Design: Compact axial-flow design with spring-assisted disc closure, ensuring rapid shutoff to prevent reverse flow and water hammer in critical applications
Size Range: 2" to 36" (DN50–DN900)
Pressure Rating: Up to ANSI Class 2500 / PN 420
Material Options: Carbon Steel, Stainless Steel, Duplex, Alloy Steel, Bronze
Operation: Automatic (spring-assisted closure, non-return function)
Temperature Range: -46°C to +400°C (material dependent)
End Connections: Wafer, Lug, Flanged, Butt Weld
Applications: Oil & Gas Transmission, Petrochemical, Power Generation, Water Distribution, Pumping Systems, HVAC
Special Features: Silent operation, Eliminates water hammer, Short face-to-face dimension, Low maintenance, Fire-safe option available
Standards: API 6D / API 594 / ASME B16.34 / ISO 14313
7.3 Check Valves – Nozzle
Product: Nozzle Check Valve
Design: Axial flow spring-loaded design with a streamlined flow path to minimize pressure drop and provide fast, silent closure against reverse flow
Size Range: 2" to 72" (DN50–DN1800)
Pressure Rating: Up to ANSI Class 4500 / PN 760
Material Options: Carbon Steel, Stainless Steel, Duplex, Alloy Steel, Bronze
Operation: Automatic (spring-assisted non-return function)
Temperature Range: -46°C to +600°C (material dependent)
End Connections: Wafer, Flanged, Butt Weld, Hub Connections
Applications: Power Generation (steam & feedwater systems), Oil & Gas Pipelines, Petrochemical, Refineries, Water Transmission, Pumping Stations
Special Features: Silent non-slam operation, Eliminates water hammer, Very low pressure drop, Compact axial-flow design, Long service life under severe service
Standards: API 6D / API 594 / ASME B16.34 / ISO 14313
7.3.1 Check Valves – Piston
Product: Piston Check Valve
Design: Lift-type check valve with a guided piston moving vertically inside the body, ensuring reliable sealing and backflow prevention under high-pressure conditions
Size Range: ½" to 24" (DN15–DN600)
Pressure Rating: Up to ANSI Class 2500 / PN 420
Material Options: Carbon Steel, Stainless Steel, Alloy Steel, Bronze
Operation: Automatic (non-return function)
Temperature Range: -29°C to +425°C (material dependent)
End Connections: Flanged, Threaded, Socket Weld, Butt Weld
Applications: Power Generation, Petrochemical, Oil & Gas, Steam Systems, Water Transmission, Chemical Processing
Special Features: Compact lift-type design, Guided piston for tight sealing, Suitable for high-pressure and high-temperature service, Fire-safe option available, Low maintenance
Standards: API 6D / API 594 / ASME B16.34 / BS 1868
7.4 Check Valves – Dual Plate Wafer Type
Product: Dual Plate Wafer Check Valve
Design: Compact wafer-type body with two spring-loaded plates (discs) that open with forward flow and close rapidly to prevent reverse flow, minimizing water hammer
Size Range: 2" to 48" (DN50–DN1200)
Pressure Rating: Up to ANSI Class 2500 / PN 420
Material Options: Carbon Steel, Stainless Steel, Duplex, Alloy Steel, Bronze
Operation: Automatic (spring-assisted non-return function)
Temperature Range: -29°C to +400°C (material dependent)
End Connections: Wafer, Lug, Flanged
Applications: Oil & Gas, Petrochemical, Power Generation, Water Distribution, HVAC, Pumping Systems
Special Features: Lightweight and compact design, Low pressure drop, Eliminates water hammer, Fire-safe option available, Cost-effective installation
Standards: API 6D / API 594 / ASME B16.34 / MSS-SP-125
Displacer Level Transmitters
Model : Fisher, Rosemount – Emersons Liquid level, Specific, Gravity or Interface Level
Application : Liquide Level, Specific, Gravity or Interface Level
Displacer Length : 100 mm to 4.5 Meter
Min. Differential Specific Gravity : 0.30 to 1.2 & 0.5
Accuracy : +/-0.5% of full scale (better on request)
Hazardous Area : ATEX, UL
Material Of Construction : Compatible Material of construction available for different process media. Can replace Fisher/ Masoneilin/ Yamatake/Motoyama/ parcol/ Eckard Transmitter, one to one…
Magnetostrictive Float Type Level Gauge With Transmitter
Measuring Range(mm) : 500-3500
Process Pressure : Max, 6O bar
Switch Rating : 250VAV12 ;2.5 A/220 V DC13; 0.3 A
Protection Enclosure : IP65
Features(Optional) : Switches/Transmitter, ATEX, FM, UL
Output : 4-20 mA/ HART
Switch : SPDT, SPST, DPST
Coroliss Mass
Max.flow rate : 200kg/min
Wetted parts : Stainless steel 316L
Sensor housing : Stainless steel 304
Fluid temperature : -200~200°C
Temp. Accuracy : ±1°C
Operating Voltage : AC85~265V,DC24V
Petronova
Petronova Oilfield Equipments & Spare Parts Trading LLC is a diversified oilfield supply and construction industry company, offering a complete range of engineering products and equipment to meet the needs of the energy sector.
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