For procurement managers and plant engineers seeking reliable flanged gate, globe, and check valves: our end flange connections meet ANSI/DIN standards, slash installation downtime, and are backed by a 10-year engineering legacy.
π₯ Get Free Quote in 24h β Custom Flanged End ValvesProcuring flanged end valves seems straightforward β but small specification gaps cause big losses. Here are the top 5 avoidable risks:
π Real-world scenario: A Texas chemical plant replaced their end flange gate valves twice in 18 months due to face corrosion β each replacement cost $27,000 in labor and production loss.
Our flanged end valves are engineered to eliminate the five pain points above. Every valve is machined on CNC lathes with Β±0.002" tolerance on flange OD and bolt circle, ensuring first-pass fit.
Precision-faced raised flanges (125β250 AARH) compatible with spiral-wound & PTFE gaskets.
China's integrated supply chain β castings to finished valve in-house, no third-party delays.
EN 10204 3.1 mill certificates, chemical & mechanical reports provided with every batch.
Combine gate, globe, check, and butterfly valves in one container. We handle logistics to Houston, LA, Savannah.
Jig-verified pattern; if out-of-spec, we expedite replacement at no extra cost.
Special facing, drilling patterns, or materials (duplex, super duplex, hastelloy) β 10+ years engineering experience.
| Parameter | Gate Valve | Globe Valve | Check Valve |
|---|---|---|---|
| End Flange Standard | ANSI B16.5 Class 150β600 | ANSI B16.5 / DIN EN 1092-1 | ANSI B16.5 Class 150β300 |
| Face Finish (AARH) | 125β250 ΞΌin | 125β250 ΞΌin | 125β250 ΞΌin |
| Materials | WCB, CF8, CF8M, Duplex | WCB, CF8, CF8M, Hastelloy | WCB, CF8, CF8M, Duplex |
| Size Range | 2β³ β 24β³ (DN50βDN600) | 2β³ β 16β³ (DN50βDN400) | 2β³ β 24β³ (DN50βDN600) |
| Pressure Rating | 150# β 600# | 150# β 600# | 150# β 300# |
| Certifications | ISO 9001, CE, API 6D | ISO 9001, CE, API 6D | ISO 9001, CE, API 6D |
flange check flange end butterfly valve flange end ball valve
β All flanged ends pressure-tested per API 598. Custom drilling patterns (ANSI or metric) available.
"We replaced our previous end flange gate valves with Thriveon's Class 150 units. The flange face finish was consistent β no gasket leaks during hydrotest. Their 3.1 certs saved us a non-conformance report."
β Daniel R., Senior Piping Engineer, Louisiana Chemical Plant
"Thriveon delivered 42 flanged end check valves in 5 weeks β half the lead time we were quoted by European suppliers. Bolt holes aligned perfectly with our existing pipe flanges. No rework."
β Mohammed A., Procurement Manager, Saudi Water Treatment Co.
An end flange is the flat, ring-like projection at the end of a valve body used for bolting the valve to a matching pipe flange. It provides a leak-tight connection through a gasket compressed by bolts. Our flanged end valves are machined to ANSI B16.5 or DIN EN 1092-1 to ensure universal interchangeability.
Flanged end valve prices depend on size, material, pressure class, and certification level. For example, a 6β³ WCB gate valve Class 150 with flanged ends typically ranges $185β$340 FOB. High-alloy or large-diameter flanged end valves cost more. Request a quote below for exact pricing with your specification.
Consider these variables: 1) Media type (water, oil, gas, corrosive) β material grade. 2) Operating pressure & temperature β Class 150 to 600. 3) End flange standard (ANSI vs DIN). 4) Face finish requirement. Our engineers can guide you within 4 hours β send your datasheet or P&ID excerpt.
Yes. We offer full OEM/ODM customization: special bolt-circle diameters, raised face height, tongue-and-groove faces, ring-type joint (RTJ) grooves, and metric drilling. Minimum order quantity for custom flanged ends is 20 units. We've supplied non-standard end flange valves for compressor skids and retrofit projects.
Shipping cost depends on total volume and weight. A 20ft container (approx. 120β160 units of 6β³ gate valves) to Houston or Los Angeles runs $2,800β$4,200 β that's $17β$26 per valve. We consolidate LCL shipments for smaller orders. All shipments include marine insurance.
We provide 12-month warranty against manufacturing defects, including leakage at the end flange joint. We stock common spare parts (gaskets, bolts, bonnet gaskets). Technical support is available via WhatsApp and email within 2 hours during business hours (UTC+8).
Our flanged end valves comply with ANSI, ASME, API, and DIN standards widely accepted in the US, EU, and Middle East. We provide a Certificate of Conformance with every shipment. For specific local codes (e.g., CRN for Canada), we can review and adapt the design β just share your requirements.
"We ordered 86 flanged end gate valves for a turnaround project. Every flange face was within spec β zero bolt-hole alignment issues. Delivered in 5 weeks when competitors quoted 14. Saved us $62,000 in avoided downtime."
"Cost was 22% lower than our previous US distributor, and the end flange finish was actually better β smoother face, no tool marks. We've standardized on Thriveon for all 12β³ and below flanged valves."
"We needed duplex flanged check valves for a seawater injection project. Thriveon's team helped us select the right end flange facing (RTJ). The 3.1 certs were complete and traceable β passed our third-party inspection."
"We required SS316 flanged globe valves with quick delivery. Thriveon produced 18 units in 4 weeks and the end flange drilling matched our existing piping exactly. No modifications needed. Excellent communication throughout."
Send your RFQ and receive a detailed quotation within 24 hours. Free samples available for qualified buyers.
π¦ Limited-time offer: Free flange gasket kit with first order of 20+ units
Email: info@thriveonvalve.com | Tel: +86-311-86935302 | Add: South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei, China
π Your specifications are confidential. We do not share your data with third parties.
Author: Liu Chen
Senior Valve Applications Engineer, 14 years in industrial flow control
"I've personally overseen the design of over 12,000 flanged end valves for oil & gas, water, and chemical clients across the US, Middle East, and Europe. Every spec in this article reflects real production data from our Thriveon factory floor."
π Experience: Led API 6D certification projects, conducted flange joint integrity training for 200+ site engineers.
Β© 2026 Ningjin Thriveon Valve Co., Ltd. All specifications subject to change without notice. Always verify with current datasheet.
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+86-311-86935302
+86-311-86935302
Email Us:
info@thriveonvalve.com
South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei Province, China 
