EnglishFactory-direct · Since 2005
Butterfly Valve Manufacturer & Supplier in China
Wafer, lug and double flanged butterfly valves from 2 to 64 inch (DN50–DN1600) for water, HVAC and industrial projects. Wholesale and OEM supply from our own foundry in Tianjin, China.
- WRAS, ISO 9001 and CE certified
- 2–64 inch (DN50–DN1600) in ductile iron, carbon steel and stainless steel
- Samples in 10–25 days, MOQ 1 piece
- OEM: your logo, body color and nameplate
Get a Factory Quote
Tell us what you need. We reply within 24 hours.
Wafer, Lug & Flanged Butterfly Valves We Manufacture
Butterfly valve supplier for distributors, contractors and OEMs: standard and custom builds for water supply, wastewater, HVAC and general industry.
Wafer Butterfly Valve
- DN50–DN1200 (2–48 inch), PN10/16, ANSI 150
- CI / DI / CS / SS body; EPDM, NBR, PTFE, Viton seats
- Fits between ANSI, PN and JIS flanges
Lug Butterfly Valve
- DN50–DN1200 (2–48 inch), PN10/16, ANSI 150
- Threaded lugs for dead-end service
- Stainless steel 304/316 options
Double Flanged Butterfly Valve
- DN50–DN1200 (2–48 inch), PN10/16
- ISO 5211 mounting for gear or actuator
- For water works and large pipelines
Stainless Steel Butterfly Valve
- SS304 / SS316 body and disc
- For corrosive and clean-water service
- API 609, BS 5155, ISO 5752 face to face
PTFE Lined Butterfly Valve
- Virgin PTFE seat and disc lining
- For acids, alkalis and corrosive media
- Bubble-tight shut-off
Double & Triple Offset
- Resilient or metal-seated designs
- For higher pressure and temperature service
- WCB and stainless steel bodies
Why Distributors Source From Our Butterfly Valve Factory
Casting, machining, assembly and testing in one factory, so you get consistent quality at factory pricing.
Own foundry and machining
In-house casting through final assembly. No middlemen, shorter lead times.
Every valve tested
Shell and seat pressure tests before shipment, with a test report.
Full documents
MTC 3.1, hydrostatic test report, ISO 9001 and CE certificates with every order.
Wholesale and OEM
Volume pricing for bulk orders. Your logo cast on the body and custom nameplates.
Certified Quality
Product certificates and a third-party factory audit.
Butterfly Valve Sizes: 2 to 64 inch (DN50–DN1600)
Wafer, lug and double flanged bodies for ANSI, PN and JIS flanges. Send your size list for a full datasheet.
| DN | Inch | Typical operation |
|---|---|---|
| DN50–DN200 | 2–8 inch | Lever or worm gear |
| DN250–DN600 | 10–24 inch | Worm gear or actuator |
| DN700–DN1600 | 28–64 inch | Worm gear or actuator |
- Wafer, lug and double flanged: DN50–DN1200 (2–48 inch); larger sizes up to DN1600 on request
- Pressure: PN10 / PN16, ANSI Class 150
- Body: cast iron, ductile iron, carbon steel (WCB), stainless steel 304/316
- Disc: ductile iron, stainless steel, nylon or PTFE coated
- Seat: EPDM, NBR, PTFE, Viton
- Face to face: API 609, BS 5155, ISO 5752 · Top flange: ISO 5211
Manual, Gear, Pneumatic and Electric Butterfly Valves
We supply the valve and actuator as one tested assembly: one supplier, one warranty.
Lever
10-position locking handle for small sizes up to 8 inch.
Worm gear
Handwheel gearbox for larger sizes and smooth, controlled operation.
Pneumatic actuator
Double-acting or spring-return, ISO 5211 direct mount.
Electric actuator
On-off or modulating control.
Limit switch box and solenoid valve available. Every actuated valve is assembled and cycle-tested before shipment.
Butterfly Valve Price: What Determines Your Quote
Factory prices depend on size, body and disc material, seat, pressure rating, operation (lever, gear or actuator) and order quantity. Send your size list and quantities, and we return an itemized price sheet within 24 hours, with lead time and shipping to your port.
- Volume pricing for distributors and project orders
- Itemized quote per size, including actuator options
- FOB, CIF or DDP terms on request
How Ordering Works
Test the quality with a sample first, then scale to bulk supply.
Send your requirements
Type, size, material, seat, pressure and quantity. Drawings welcome.
Quote within 24 hours
Factory price, lead time and shipping options to your port or door.
Sample in 10–25 days
Free samples available; you cover the shipping cost.
Bulk production
In stock: ships in 5–10 days. Custom orders: 15–35 days.
Inside Our Butterfly Valve Factory
From machining and assembly to testing, export packing and trade fairs. Factory audits and video calls are welcome.
Factory and production
Testing and quality control
Export packing and shipping
Canton Fair and customers
FAQ
Are you a manufacturer or a trading company?
We are a direct manufacturer in Tianjin, China, established in 2005, with our own casting, machining and assembly workshops. You are welcome to visit or request a video call tour.
What is the minimum order quantity?
Standard wafer and lug valves: 1 piece. Custom orders usually start from 10–50 pieces depending on the specification.
Do you offer samples?
Yes. Samples are ready in 10–25 days. We can provide free samples; the buyer covers the shipping cost.
How long is delivery for bulk orders?
In-stock items ship within 5–10 days after payment. Custom production typically takes 15–35 days depending on quantity.
Do you provide OEM / private label?
Yes. We can cast your logo on the body, match your body color and supply custom nameplates.
What documents come with each shipment?
Mill Test Certificate (MTC) 3.1, hydrostatic pressure test report, ISO 9001 and CE certificates, and an 18-month warranty letter.
Which payment terms do you accept?
T/T, L/C, PayPal, credit card, OA, D/P and D/A.
Ready for a Factory Price?
Send your sizes and quantities. Our valve team replies within 24 hours with price, lead time and shipping.
Get My Factory Quote