API 6D
Butterfly check valve
Request a KEHUA butterfly check valve quotation. Confirm the non-return mechanism, plate and hinge details, installation clearance and operating-duty review.

Check Valves
Butterfly check valve
Butterfly check is the catalogue name for this non-return series, not a manually operated butterfly isolation valve. Confirm the closure plates, hinges and any closing assistance before assessing installation and reverse-flow response.
About the butterfly check valve manufacturerThese are family-level options. Confirm the offered series rating and materials against its approved datasheet.
SERIES SELECTION
Is a butterfly check valve a manually operated butterfly valve?
No. This catalogue series is a non-return valve, not a manually operated butterfly isolation valve. Request the offered section drawing to identify closing plates, hinges and any closing assistance, then confirm orientation and travel clearance. Provide flow-reversal or surge cases for response review; the butterfly check valve name does not establish low-slam performance.
Related procurement checks: dual plate series; wafer connection page; Compare documented check-valve mechanisms.
Compare construction choices in this valve family- Request a section drawing identifying plates, hinges and any closing assistance.
- Review allowed orientation, opening travel and pipe clearance.
- Specify flow reversal and surge conditions for a closing review; the name alone is not proof of low-slam performance.
- Provide fluid and solids, flow range, pressure, temperature, orientation and available surge or flow-reversal cases. Include pipe clearance, mating ends, quantity, destination, requested date and approval/test requirements. Ask the quotation to identify closure plates, hinges, any closing assistance and unresolved response questions for the exact offered configuration.
Product-family buyer guides
Use these guides to compare valve families, review materials and prepare an RFQ. Confirm the offered model's ratings and service suitability against its approved datasheet.
- Swing vs Lift vs Dual Plate Check Valves: Selection Guide
Compare swing, lift and dual plate check valves by disc movement, installation, pressure drop and pump duty. Use the RFQ checklist to review the offered model.
- Valve Pressure Testing: Shell vs Seat Tests & Buyer Checklist
Understand shell and seat leakage tests, review API 598 or ISO 5208 requirements, and specify an auditable valve pressure-test report before ordering.
- What to check in a valve qualification package
A document-review checklist for procurement teams comparing certificates, product evidence and project records.
- Industrial valve materials: WCB, LCB, CF8M and duplex steel
Compare WCB, LCB, CF8M and duplex valve bodies with a material selection table and RFQ checklist covering fluid, temperature, corrosion and material records.
Request a Quote
Request a butterfly check valve quotation
Pipeline protection, pumps and process systems
Check Valves


