Check Valve

Automatic closure, minimal pressure loss, compact design

Overview

Check Valve Manufacturing

VTXFLOW check valves prevent reverse flow automatically without external control. The line includes swing, lift, tilting-disc, dual-plate wafer and nozzle designs in bolted-cover and pressure-seal construction.

Optimized disc dynamics minimize slam and water hammer
Renewable seat rings on cast designs
Dual-plate design weighs up to 80% less than swing type
Cryogenic and NACE MR0175 options available

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Check Valve — Automatic closure, minimal pressure loss, compact design

Product Types

Swing Check Valve

API 6D / BS 1868 swing checks, Class 150–2500.

View Product →Pressure Seal Swing Check Valve

For power station high pressure/temperature lines.

View Product →Lift Check Valve

Piston or ball type for steam and high pressure service.

View Product →Duplex Disc Wafer Check Valve

Spring-loaded dual-plate, short face-to-face, low slam.

View Product →Tilting Check Valve

Fast closing, reduced water hammer.

View Product →Nozzle Check Valve

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

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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