| Customization: | Available |
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| Temperature: | High Temperature |
| Media: | Water |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Audited by an independent third-party inspection agency

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Product Name
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Sanitary Butterfly Valve
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Steel material
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Product wetted steel parts
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AISI 316L / 304 forged
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Provided with material inspection report
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(1.4306 / 1.4404)
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Other steel parts
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AISI 304
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Seal material
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Standard
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EPDM
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All seal materials comply with FDA 21CFR117.2600
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Options
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VMQ / FPM
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Pressure
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Working pressure
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≤10bar (145psi)
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Supply pressure for air actuator
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5 ~ 8bar (70 ~ 116psi)
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Temperature
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Working temperature
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EPDM: -40 ~ 248°F (-40 ~ 120°C)
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VMQ: -40 ~ 356°F (-40 ~ +180°C)
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FPM: -40 ~ 446°F (-40 ~ +230°C)
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Other materials are available upon request
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Sterilization temperature
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302°F (150°C, Max. 20 min)
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Surface treatment
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Inside surface treatment
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Ra 16 ~ 32 (0.4 ~ 0.8µm)
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Outside surface treatment
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Ra 32 ~ 64 (0.8 ~ 1.6µm)
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Connection
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The welding diameter
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Welding ends:
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DIN 11850-2 with 11850-1 / SMS / ISO Series, etc.
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End connections: butt-welded, sanitary clamp, male and female threaded, flanged, I-line or others upon request.
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| Manual Butterfly | Valve | Weld/Clamp | |||||
| Size | OA | OB | oC | L1 | L2 | L | H |
| 1" | 22.1 | 50.5 | 25.4 | 140 | 147 | 68 | 77 |
| 1.5" | 34.8 | 50.5 | 38.1 | 140 | 147 | 70 | 80 |
| 2" | 47.5 | 64 | 50.8 | 140 | 147 | 76 | 88 |
| 2.5" | 60.2 | 77.5 | 63.5 | 150 | 147 | 84 | 95 |
| 3" | 72.9 | 91 | 76.2 | 150 | 169 | 84 | 102 |
| 4" | 97.4 | 119 | 101.6 | 160 | 169 | 92 | 119 |
| 6" | 146.8 | 167 | 152.4 | 215 | 210 | 110 | 160 |
| Manual | Butterfly | Valve | Weld/Clamp | ||||
| Size | OA | OB | oC | L1 | L2 | Lo | H |
| DN25 | 25 | 50.5 | 28 | 127 | 147 | 48 | 77 |
| DN40 | 37 | 50.5 | 40 | 128 | 147 | 50 | 82 |
| DN50 | 49 | 64 | 52 | 135 | 147 | 52 | 91 |
| DN65 | 66 | 91 | 70 | 138 | 147 | 54 | 100 |
| DN80 | 81 | 106 | 85 | 150 | 169 | 58 | 107 |
| DN100 | 100 | 119 | 104 | 161 | 169 | 64 | 122 |


| QUESTION? | ANSWER |
| 1. Are you a factory? | Yes, Welflow is a factory located in Wenzhou, Zhejiang, China. |
| 2. Do you have any requirements of MOQ? | No limited to MOQ but the difference in unit price. |
| 3. Payment Terms | Typically 30% T/T as deposit, 70% against copy of BL/ Or balance L/C at sight. |
| 4. Nearly Sea Port | Ningbo or Shanghai Port |
| 5. Terms: | FOB Ningbo/Shanghai, CIF, FCA, etc. |
| 6. Delivery Time: | Typically, it is 30-35 days after receiving the deposit payment. However, almost all of the items we have stock in 304. |
| 7. Could you accept color Marks or Color Boxes? | Yes, both are acceptable; we have experience with them. |
| 8. Could you accept marking our logo on the products? | Yes, on the handle or the bodies, both are okay. 1. Laser Marking. (NO MOQ requirements) 2. Casting on the bodies (Has MOQ requirements) |
| 9. Do you have Material Certificates? | If required, Each item will be laser marked with Heat NO and the material certificates. |
| 10. How do you deal with customer complaints, such as quality issues? | This is an issue we take very seriously. As long as it is confirmed to be a quality issue, we will take full responsibility. 1. exchange or refund is acceptable. It mainly depends on how you need to deal with it. |