All valve components are precision CNC-machined for consistent quality, widely applicable to food, beverage, wine, beer, dairy, pharmaceutical, biotech and chemical industries. Full customization available for all products.
✅ 3-year quality guarantee✅ ISO 9001, FDA & SGS certified materials✅ 7-10 days fast delivery for urgent orders✅ 10+ years of rich exporting experience for seamless cooperation
To ensure zero dead legs for sanitary & aseptic processes, our patented Radius-Seal diaphragm technology is the core-adopting a 3A-compliant smooth flow path, it cuts crevice volumes by 80% and achieves zero closure gaps for full fluid drainage. Our one-piece forged valve bodies (Ra ≤ 0.8 μm) enable reliable CIP/SIP, fully compliant with ASME BPE, FDA and EHEDG standards. For structural details, refer to our 3D sectional drawings.
Product Parameters
|
Product name |
3A Thread Manual Sanitary Hygienic Diaphragm Valve |
|
Material quality |
AISI/Stainless Steel 316L |
|
Standard |
DIN/ISO/3A |
|
Size available |
1/2" - 4" |
|
Seal Ring |
PTFE+EPDM Double Layer Membrane with FDA 177.2600 |
|
Application |
Pharmacy & BiologicalFor sterile drug formulation, bioreactor systems, vaccine production & GMP cleanroom fluid handling. Zero dead volume, 316L stainless steel & food-grade diaphragms, compliant with FDA, EU GMP & CE PED. Food, Dairy & BeverageIdeal for pasteurization, filling, mixing & raw material transfer. Seamless flow, easy CIP/SIP sterilization, anti-corrosion, meets FDA & LFGB standards. Beer BrewingFit for wort boiling, fermentation, filtration & bottling. High temperature resistance, tight sealing, anti-foaming design, adapts to beer brewing process characteristics. Cosmetic & ChemicalSuitable for cream/lotion production & fine chemical fluid handling. Smooth inner wall, easy disassembly, chemical-resistant diaphragms, complies with cosmetic GMP & sanitary standards. |
DESIGN&FEATURES
| 1. Zero Dead Corner. |
| 2. All the valve's body need to be electrolyzed |
| 3.Mirror Polish (Ra≤0.4μm) | Double-layer Diaphragm: PTFE+EPDM (-20°C to 150°C Working Temp)Patented 3A-compliant Radius-Seal diaphragm technology eliminates dead legs-80% crevice reduction, zero closure gaps & full drainage for sanitary/aseptic pharmaceutical processes. One-piece forged bodies (Ra≤0.8μm) enable reliable CIP/SIP, fully compliant with 3A, FDA & EHEDG standards. See 3D sectional drawings for details. |

Normal Size just for reference. Can be customized
Certificates

Customized Logo
We offer complimentary logo customization for all products, with professional logo printing on your sanitary valves to meet your brand identification needs.
Welcome to the factory
Upon arrival, customers are guided to the reception area for a brief welcome. We introduce our factory: a 14,000㎡ integrated manufacturer & trader of sanitary fluid equipment in Wenzhou, founded in 2010. With a "one-stop reception" concept, we showcase our strengths in precision, hygiene and service. Factory layout maps are provided to clarify the route and key highlights for an efficient visit.
A professional technical team leads the tour, showing customers the full production chain of sanitary valves & fittings, from raw materials to finished products:
Raw Material Selection: Demonstrate procurement and testing processes, highlighting high-quality base materials and source control for product safety.
Core Production & Processing: Demonstrate key processes like CNC arc machining and electrolytic polishing, achieving zero dead corners and mirror polishing (Ra ≤ 0.4 μm) for easy cleaning and bacteria inhibition.

Feedback From Customers

Visitor Resistance to Personalization
Challenge: Pharmaceutical buyers (especially large manufacturers) may feel uncomfortable with personalized content, perceiving it as an invasion of privacy, and may be hesitant to share browsing or project information due to confidentiality requirements..
Solution: 1. Be transparent about personalization-explain how visitor data is used (e.g., "We use your browsing history to recommend relevant compliance documents and technical resources for your pharmaceutical production needs") and emphasize data confidentiality. 2. Allow visitors to adjust personalization settings (e.g., turn off recommended products, disable cookie tracking) while retaining access to core technical content. 3. Focus on value-driven personalization (e.g., simplifying compliance document retrieval, customizing technical parameters) rather than intrusive targeting, aligning with pharmaceutical industry's focus on efficiency and confidentiality.

Why can enhances credibility?
316 stainless steel contains 2-3% molybdenum, providing stronger resistance to chloride ion corrosion. The entire structure is precision CNC machined, resulting in a tighter contact between the gate and seat, achieving a lower boundary leakage rate. Flanged connections can withstand higher impact forces and pipe closures, suitable for heavy industrial applications. Soft/hard seals (depending on the product) ensure stable sealing performance even at high temperatures or in various media.
FAQ
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