Nozzle Check Valve

Name: Nozzle Check Valve
Brand: VTXFLOW

Venturi flow path with lowest pressure loss and non-slam closure.

Check Valve Series

Nozzle Check Valve

A venturi flow path and short-stroke, spring-loaded ring disc give the nozzle check valve the lowest pressure loss and truly non-slam closure — the premium choice for compressor and high-speed pump discharge.

As part of the VTXFLOW check valve range, every nozzle check valve is produced under our certified quality system — from in-house casting and CNC precision machining to 100% pressure and seat-tightness testing before shipment, with EN 10204 3.1 material certificates supplied.

Venturi profile — lowest head loss of any check
Non-slam closure within milliseconds
No external moving parts, maintenance-free
Ideal for compressor / booster pump discharge

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Nozzle Check Valve — VTXFLOW Check Valve Series

Technical Specifications

Size Range	1/2" – 48" (DN15 – DN1200)
Pressure Class	ASME 150 – 2500 LB / PN16 – PN420
Body Materials	WCB, WC6, WC9, CF8, CF8M, LCB, Duplex, Bronze
Design Standards	API 6D, BS 1868, API 594, JIS B2071
End Connections	RF, RTJ, BW, Wafer, Lug

Typical Applications

Pump discharge protectionCompressor stationsBoiler systemsPipeline stationsFire protection

How to Order — What to Specify

Size and pressure class
Type: swing, dual-plate, lift, tilting or nozzle
Body material and trim
End connections: RF, RTJ, BW, wafer or lug
Required cracking pressure / spring option
Design standard: API 6D, BS 1868 or API 594
Options: lever and weight, damper, NACE

Every nozzle check valve is shell and seat tested to API 598 / ISO 5208 before shipment and delivered with EN 10204 3.1 material certificates. PMI, NDE and third-party inspection (SGS / BV) are available on request.

Other Check Valve Products

Swing Check Valve Pressure Seal Swing Check Valve Lift Check Valve Duplex Disc Wafer Check Valve Tilting Check Valve All Check Valves →

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Interested in the nozzle check valve? Tell us your size, pressure class, material, standard and quantity — our engineers respond within 24 hours.