Z-Type Globe Valve
Standard Z-body pattern globe valve for general throttling and isolation applications.
Technical Specifications
| Type | Z-Type (Standard Pattern) |
| Size Range | 1/2" to 12" (15 mm to 300 mm) |
| Body Materials | CI, Carbon Steel, SS304, SS316, Bronze |
| Disc & Seat | Stainless Steel, Stellite hard-faced |
| End Connections | Flanged, Screwed, Socket Weld |
| Pressure Rating | PN16 / PN25, Class 150 / 300 |
| Standards | API 602, BS 1873, ASME B16.34 |
Applications
Throttling, steam control, flow regulation
About the Z-Type Globe Valve
The Z-type globe valve is the most widely used design for throttling, flow regulation, and frequent operation in process piping. Its name comes from the Z-shaped flow path through the body - fluid enters from below the disc, makes a 180-degree direction change through the seat, and exits - which creates a moderate pressure drop across the valve. This controlled pressure drop is advantageous in throttling service, as it allows fine, repeatable adjustment of flow rate at any fractional stem travel.
The disc-to-seat geometry of the globe valve provides inherently superior throttling characteristics compared to gate, ball, or butterfly valves: the flow area changes roughly linearly with stem travel, giving a stable and controllable flow characteristic. Globe valves also provide tight metal-to-metal shut-off without relying on resilient sealing materials, making them suitable for high-temperature steam, hydrogen service, and other applications where elastomers fail.
Vajra Industrial Solutions supplies Z-type globe valves in sizes 1/2" to 12" in Cast Iron, Carbon Steel WCB/WC6/WC9/P91, Stainless Steel SS304/SS316, Bronze, and exotic alloys (Monel, Hastelloy, Alloy 20) for corrosive fluids. Pressure class range: PN16 to PN40 (Class 150 to 1500). All products conform to API 602 (small bore), BS 1873, and ASME B16.34. Trim options include integral or renewable seats, Stellite hard-facing, and graphite or PTFE packing for fugitive emission control.
Where It's Used
Key industries and applications for the Z-Type Globe Valve
Steam distribution and boiler auxiliaries
Class 300–600 alloy steel WC6 globe valves for HP/LP steam let-down, steam trap isolation, blow-down, and drain valves in power plants and industrial boilerhouses
Cooling water and utility services
Class 150 cast iron or WCB globe valves for cooling tower make-up, seal water, instrument air, and plant utility header isolation and regulation
Chemical processing
SS316 globe valves for acid, caustic, solvent, and pharmaceutical intermediate flow regulation; bellows-sealed versions for toxic or carcinogenic services under ISO 15848-1 / TA-Luft
Hydrogen and refinery service
Class 600–900 WCB or WC9 globe valves with hardened seats for hydrogen-rich, high-temperature process streams where tight shut-off is required after thousands of cycles
HVAC and building services
globe valves for balancing and controlling hot and chilled water circuits, steam coil control, and pressure regulation in commercial and industrial HVAC systems
How to Choose the Right Z-Type Globe Valve
Globe valves are the correct choice when throttling or frequent operation is required. Do not use gate valves for throttling - globe valves are specifically designed for this duty. Select Z-type for standard service; Y-type for high-pressure steam or blow-down where lower pressure drop is needed; angle-type for piping that already makes a 90-degree turn. Choose alloy steel WC6/WC9 for steam service above 425°C, and specify Stellite hard-facing for erosive or high-cycle duty.
Popular Configurations
Most commonly ordered specifications for the Z-Type Globe Valve
Frequently Asked Questions
About Z-Type Globe Valve - ordering, specs, delivery & compliance
What standards does the Z-Type Globe Valve comply with?+
Our Z-Type Globe Valve complies with API 602, BS 1873, ASME B16.34. 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 Z-Type Globe Valve?+
The Z-Type Globe Valve is available in CI, Carbon Steel, SS304, SS316, Bronze. Material selection depends on your process fluid, temperature, pressure, and corrosion requirements.
What is the delivery lead time for Z-Type Globe 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 Z-Type Globe Valve for a specific application?+
Yes. Vajra Industrial Solutions supplies custom-engineered globe 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 Z-Type Globe Valve?+
The Z-Type Globe Valve is available in pressure ratings of PN16 / PN25, Class 150 / 300. 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 Z-Type Globe 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 Globe Valves
Y-Type Globe Valve
Angled Y-body design for reduced pressure drop and high-flow applications.
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Angle Globe Valve
90-degree angle body design for applications requiring directional flow change.
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Bellows Sealed Globe Valve
Zero-leakage globe valve with stainless steel bellows stem seal for toxic, flammable, or emission-controlled services.
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Pressure Reducing Valve (PRV)
Self-regulating globe-type valve that automatically reduces inlet pressure to a safe, constant downstream set pressure.
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