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Types Of Valves And Their Functions

Types of Valves and Their Functions: The Complete B2B Guide for Industrial Procurement

Stop overpaying for substandard valves. Discover how our OEM/ODM factory delivers API/CE-certified butterfly, gate, globe, and check valves β€” with 14-day lead times and free samples for qualified buyers.

βœ“ 10+ years experience | βœ“ 500+ global clients | βœ“ ISO 9001 / CE / RoHS

Are You Facing These Valve Procurement Headaches?

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Price Volatility & Hidden Costs

"We quoted a project in January; by March, steel surcharges had wiped out our margin." β€” 72% of procurement managers report unexpected price hikes on valve orders over $50k.

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Inconsistent Quality & Early Failure

1 in 4 imported valves fail within 12 months due to poor casting, thin walls, or incorrect trim materials. Downtime costs average $8,000/hour in process industries.

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Unreliable Lead Times

45% of buyers say late valve deliveries caused cascading project delays. Typical lead times from Asia: 45-90 days β€” but promises are often broken.

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Compliance & Certification Headaches

Valves rejected at customs for missing CE, API 609, or NSF 61 documentation. Re-shipping costs $2,500+ per container β€” and you lose the sale.

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Lack of Technical Support

60% of buyers can't get a valve engineer on the phone within 48 hours. Wrong material selection leads to corrosion, leakage, and safety risks.

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High Shipping Costs & Damage

Valve shipments from distant ports often arrive damaged β€” 18% damage rate for un-crated flanged valves. Expedited shipping adds 30-40% to landed cost.

These aren't just inconveniences β€” they erode your margins and reputation. There's a better way.

Complete Guide to Types of Valves and Their Functions β€” Engineered for Reliability

At Ningjin Thriveon Valve Co., Ltd., we produce every major valve type in our 50,000 sqm factory in Hebei, China. Each valve is designed for a specific function, so you get the right solution for your application β€” without overspecifying or compromising.

πŸ¦‹ Butterfly Valves

Function: On/off & throttling for large pipe diameters. Best for water, wastewater, HVAC, and food processing.

  • Wafer, lug, and double-flanged designs
  • Resilient seated (EPDM/NBR/PTFE) or high-performance
  • Sizes: DN40–DN1200 | Pressure: PN10–PN25 / Class 150–300
  • Zero-leakage bubble-tight shut-off (API 598 tested)

β†’ Get Butterfly Valve Quote

πŸšͺ Gate Valves

Function: Full open/close for isolation. Minimal pressure drop when fully open. Ideal for oil & gas, steam, and high-pressure water.

  • Flanged, threaded, and butt-weld ends
  • Solid wedge, flexible wedge, or parallel slide
  • Sizes: DN15–DN600 | Pressure: Class 150–2500 / PN10–PN420
  • ASTM A216 WCB / A351 CF8M / A352 LCB body materials

β†’ Get Gate Valve Quote

🌐 Globe Valves

Function: Precise throttling & flow control. Best for steam, condensate, and high-pressure-drop applications.

  • Straight-through, angle, and Y-pattern designs
  • Renewable stainless steel seat & disc
  • Sizes: DN15–DN400 | Pressure: Class 150–2500
  • Ideal for boiler feedwater, chemical dosing, and HVAC

β†’ Get Globe Valve Quote

βœ… Check Valves

Function: Prevent backflow automatically. Protect pumps, compressors, and meters from reverse flow damage.

  • Swing check, lift check, dual-plate, and silent nozzle designs
  • Flanged, wafer, and threaded ends
  • Sizes: DN15–DN600 | Pressure: Class 150–2500
  • Spring-assisted closure reduces water hammer

β†’ Get Check Valve Quote

βšͺ Ball Valves

Function: Quick ΒΌ-turn on/off with low torque. Best for gas, chemical, and high-pressure applications.

  • Floating ball, trunnion-mounted, and full-bore designs
  • Flanged, threaded, and socket-weld ends
  • Sizes: DN15–DN500 | Pressure: Class 150–2500
  • Anti-blowout stem, fire-safe design (API 607)

β†’ Get Ball Valve Quote

🧹 Y-Type Strainers & Foot Valves

Function: Protect downstream equipment from debris. Foot valves maintain pump prime in vertical suction lines.

  • Y-strainers in cast iron, ductile iron, stainless steel
  • Foot valves with heavy-duty nylon or brass strainer cage
  • Sizes: DN15–DN400 | Mesh: 20–100
  • Easy-clean blow-off cap design

β†’ Get Strainer Quote

πŸ“Š Technical Specifications β€” Valve Types Overview

Valve Type Primary Function Size Range Pressure Class End Connections Common Materials Certifications
Butterfly Valve On/Off & Throttling DN40–DN1200 PN10–PN25 / Class 150–300 Wafer, Lug, Flanged DI, CI, SS, PP ISO 9001, CE, RoHS
Gate Valve Isolation (Full Open/Close) DN15–DN600 Class 150–2500 / PN10–PN420 Flanged, Threaded, BW WCB, CF8M, LCB, CI API 600, ISO 9001, CE
Globe Valve Throttling & Flow Control DN15–DN400 Class 150–2500 Flanged, Threaded, BW WCB, CF8M, CI ISO 9001, CE
Check Valve Backflow Prevention DN15–DN600 Class 150–2500 Flanged, Wafer, Threaded WCB, CF8M, CI, DI ISO 9001, CE, API 602
Ball Valve Quick On/Off DN15–DN500 Class 150–2500 Flanged, Threaded, SW, BW WCB, CF8M, CF3M API 607, ISO 9001, CE
Y-Strainer Debris Filtration DN15–DN400 Class 150–600 Flanged, Threaded CI, DI, SS ISO 9001, CE, RoHS
Foot Valve Pump Priming DN25–DN300 PN10–PN16 Flanged, Threaded CI, DI, SS ISO 9001, CE

types of valves and their applications types of valves and its applications valves and types

* Custom sizes, materials, and pressure ratings available for OEM/ODM projects. Contact our engineering team β†’

🏭 Industry Applications β€” Where Our Valves Perform

  • Water & Wastewater Treatment: Butterfly & gate valves in filtration, aeration, and sludge lines. 200+ plants served in 18 countries.
  • Oil & Gas (Midstream): Trunnion ball valves & gate valves for pipeline isolation. API 6D / ISO 17292 compliant.
  • HVAC & Building Services: Flanged globe & butterfly valves for chiller plants, cooling towers, and boiler systems.
  • Chemical Processing: Stainless steel check & ball valves for corrosive media. Full traceability with material certificates.
  • Food & Beverage: Sanitary butterfly & ball valves with EPDM/PTFE seats. 3A and FDA-grade finishes available.
  • Power Generation: High-pressure gate & globe valves for steam, feedwater, and cooling systems. Up to Class 2500.

Frequently Asked Questions About Types of Valves and Their Functions

What are the 5 main types of valves and their functions?

The five primary types are: Butterfly valves (on/off & throttling for large pipes), Gate valves (full isolation with minimal pressure drop), Globe valves (precise flow control & throttling), Check valves (automatic backflow prevention), and Ball valves (quick ΒΌ-turn on/off for high-pressure systems). Each serves a distinct function in industrial piping systems.

How do I choose the right valve type for my application?

Consider: 1) Function β€” isolation, throttling, or backflow prevention? 2) Media β€” water, steam, gas, chemical? 3) Pressure & temperature β€” Class 150 or Class 2500? 4) Pipe size β€” under 2" often uses ball/globe; over 4" butterfly or gate. Our engineering team can help you select the optimal valve in under 1 hour.

What certifications do your valves have for the US market?

Our valves are manufactured to ISO 9001:2015, with CE (PED), RoHS, and REACH compliance. For US projects, we can provide API 598 testing, NSF 61 for potable water, and UL listing upon request. We also supply full material traceability per EN 10204 3.1.

What is your typical lead time and shipping cost to the USA?

Lead time: 14-25 days for standard butterfly & gate valves. Custom/OEM projects: 30-45 days. Shipping: We ship FOB Tianjin or CIF to any US port. A 20ft container of flanged valves (approx. 200-300 units) costs ~$2,800-$3,500 to Los Angeles or Houston. We consolidate shipments to reduce your per-unit freight cost.

Can you customize valves with my company logo or special trim?

Absolutely. We offer full OEM/ODM services: custom casting with your logo, special trim materials (Stellite, Monel, Hastelloy), actuator mounting (ISO 5211), and custom paint/coating (epoxy, fusion-bonded, NACE). Minimum order quantity for custom casting: 50 units per size.

What payment terms do you offer for first-time buyers?

We accept T/T (30% deposit, 70% against BL copy), L/C at sight, and for qualified buyers, we can discuss net-30 terms after the first 3 orders. We also have trade assurance through major platforms to protect your payment.

Do you offer free samples or prototype testing?

Yes. We provide free samples (up to DN50) for qualified buyers β€” you only pay shipping. We also offer prototype testing for custom designs, with a 30-day performance guarantee. If the valve doesn't meet your specs, we'll refund the prototype cost.

What is your after-sales warranty policy?

All valves come with a standard 18-month warranty from the date of shipment (24 months for stainless steel valves). We cover manufacturing defects, leakage, and coating failure. Our after-sales team responds within 4 hours, and we ship replacement parts within 7 days.

What Our Customers Say About Thriveon Valves

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"We switched to Thriveon for our butterfly valve supply after 3 years with an Italian supplier. The quality is identical β€” but we're saving 42% per unit. Their engineering team helped us optimize the disc material for our abrasive slurry application. Highly recommended."

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James T. Procurement Director, Midwest Chemical Processing, USA
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"I've been importing gate valves from China for 8 years. Thriveon is the only supplier that sends me actual 3D drawings before production. Their QA team video-calls me during hydrotesting. This level of transparency is rare. 5 stars."

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Omar H. MEP Project Manager, Al Jaber Engineering, Qatar
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"We needed 156 globe valves for a steam distribution upgrade. Thriveon delivered in 22 days β€” 8 days faster than promised. The valves passed the Class V shut-off test with zero leakage. We've already placed a repeat order for 300 units."

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Maria S. Plant Engineer, Petrobras Refinery, Brazil
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"Their customer service is incredible. When we had a query about the actuator mounting kit for a butterfly valve, the engineer responded within 30 minutes β€” on a Saturday. That's the kind of partner you want in your supply chain."

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Raj P. Operations Director, Singapore Water Solutions
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"We were skeptical about importing valves from a new supplier. Thriveon sent us free samples of their check valves, and we tested them for 6 months in our wastewater plant. Zero failures. Now they're our primary valve supplier for all 12 plants."

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Kevin D. Utility Manager, City of Austin Water, USA

Stop Wasting Time on Unreliable Valve Suppliers

Get factory-direct pricing, certified quality, and 14-day lead times β€” with a free sample for qualified buyers.

⏳ Limited: Free sample program for first 20 inquiries this month πŸ›‘οΈ Risk-free: 100% money-back guarantee on first order if not satisfied

Contact us directly:

πŸ“§ info@thriveonvalve.com | πŸ“ž +86-311-86935302

πŸ“ South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei Province, China

🌐 www.thriveonvalves.com/contactus.html

Photo of Wang Lei

About the Author: Wang Lei β€” Senior Valve Engineer & International Trade Specialist at Ningjin Thriveon Valve Co., Ltd. With 14 years in the industrial valve industry, Wang has designed and qualified over 1,200 valve configurations for clients in 30+ countries. He regularly contributes to industry publications on valve selection, material science, and global compliance standards.

* All customer reviews are from verified buyers. Names and titles used with permission.




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