Lift Check Valve
Piston or ball type lift check for vertical flow and high-pressure applications.
Technical Specifications
| Type | Lift (Piston / Ball) |
| Size Range | 1/2" to 12" (15 mm to 300 mm) |
| Body Materials | Carbon Steel, SS304, SS316, Bronze |
| Disc Material | Piston or Ball - SS316, Bronze |
| Seat Material | Metal, Stellite hard-faced |
| End Connections | Flanged, Screwed, Socket Weld |
| Pressure Rating | PN16 / PN25, Class 150 / 300 / 600 |
| Standards | API 602, BS 5352 |
Applications
High pressure, steam systems, vertical installations
About the Lift Check Valve
The lift check valve operates on a disc (piston) or ball that lifts vertically off a seat when forward flow pressure exceeds the cracking pressure, and drops back onto the seat under gravity or spring force when flow stops or reverses. Unlike the swing check with its wide swinging arc, the piston disc travels in a precisely guided straight vertical path - eliminating the momentum slam of a swinging disc and providing more controlled closure with minimal water hammer. The guided piston design is inherently well-suited to high-pressure service where a heavy piston sitting firmly on a precision-machined metal seat provides reliable bubble-tight shut-off.
Two disc configurations are common: piston type - a precision-machined cylindrical piston guided by the body bore, used in most horizontal and vertical upward-flow installations; and ball type - a spherical ball that rolls on the seat, used in small-bore sizes for vertical upward flow in instrumentation and metering pump discharge applications. Both can operate in horizontal or vertical upward pipe runs. For vertical upward flow, the lift check is often superior to a swing check because the disc closes straight down by gravity rather than needing to swing through an arc. Vajra Industrial Solutions supplies lift check valves in sizes 1/2" to 12" in Carbon Steel, SS316, and Bronze to API 602 and BS 5352 with Stellite hard-faced seats for steam and high-temperature service.
Where It's Used
Key industries and applications for the Lift Check Valve
High-pressure steam systems
Class 600–900 WCB or WC6 piston lift check valves on HP steam service, turbine exhaust bypass, and steam seal header; metal-to-metal Stellite seat and disc for tight shut-off at high temperature and pressure
Metering and chemical dosing pumps
small-bore SS316 ball-type lift check valves on reciprocating metering pump suction and discharge; ball design accommodates the pulsating flow from positive displacement pumps without flutter
Vertical upward flow pipe runs
lift check valves on vertical risers in chemical dosing, reagent transfer, and condensate recovery systems where swing checks cannot operate reliably due to disc hanging open by gravity in downward flow
Boiler feed water and condensate return
Carbon Steel or SS316 piston lift check valves on boiler feed pump discharge, deaerator outlet, and condensate return pump headers; Class 300–600 for elevated temperatures to 350°C
High-pressure instrumentation and gas lines
small-bore (1/4"–2") SS316 or Monel piston lift check valves on instrument gas supply, purge meter connections, and high-pressure seal gas lines in compressor stations
How to Choose the Right Lift Check Valve
Lift check valves are the preferred choice for: (a) high-pressure service where a heavy guided piston provides reliable metal-to-metal shut-off; (b) vertical upward flow orientations where gravity closes the piston reliably; (c) metering pump service where the pulsating flow pattern requires a ball-type design that can handle fast opening and closing cycles without flutter; or (d) small-bore (below 3") applications where the compact body length is advantageous. For large-bore horizontal service with steady pump discharge flow, dual plate or swing check valves are more economical.
Popular Configurations
Most commonly ordered specifications for the Lift Check Valve
Frequently Asked Questions
About Lift Check Valve - ordering, specs, delivery & compliance
What standards does the Lift Check Valve comply with?+
Our Lift Check Valve complies with API 602, BS 5352. All products are manufactured to international standards and come with full material test reports (MTR), dimensional inspection reports, and hydrostatic test certificates on request.
What materials are available for the Lift Check Valve?+
The Lift Check Valve is available in Carbon Steel, SS304, SS316, Bronze. Material selection depends on your process fluid, temperature, pressure, and corrosion requirements.
What is the delivery lead time for Lift Check Valve?+
Standard stock sizes are available for immediate dispatch from our Vadodara warehouse. Custom sizes and special materials typically have a lead time of 2–6 weeks depending on specifications. We serve customers across India within 1–7 business days and export to the Middle East, Southeast Asia, Europe, and the Americas with full export documentation.
Can I get a custom Lift Check Valve for a specific application?+
Yes. Vajra Industrial Solutions supplies custom-engineered check valves for specific process conditions. Submit your technical requirements - including pressure class, temperature range, fluid type, end connections, and any special trim or coating needs - via our RFQ form or WhatsApp, and our engineering team will respond within 24 hours.
What pressure ratings are available for the Lift Check Valve?+
The Lift Check Valve is available in pressure ratings of PN16 / PN25, Class 150 / 300 / 600. Higher-pressure classes are available for critical service applications in oil & gas, power generation, and chemical processing.
How do I request a quote for the Lift Check Valve?+
You can request a quote by clicking the "Request Quote" button on this page, filling out our RFQ form at vajravyuh.com/rfq, emailing us at sales@vajravyuh.com, or WhatsApping us directly at +91-9979774557. Please include quantity, size, pressure class, material grade, and end-connection type for the fastest response.
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Other Check Valves
Swing Check Valve
Traditional hinged disc design for horizontal or vertical upward flow applications.
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Dual Plate Check Valve
Compact wafer-style check valve with twin spring-loaded plates for quick closure.
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Spring Loaded Check Valve
Non-slam design with spring-assisted closure for water hammer prevention.
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Tilting Disc Check Valve
Pivoting disc design with low cracking pressure and near-silent non-slam closure for large pipelines.
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