3A Thread Manual Sanitary Hygienic Diaphragm Valve

3A Thread Manual Sanitary Hygienic Diaphragm Valve

Details
3A Thread Manual Sanitary Hygienic Diaphragm Valve for Biopharmaceutical & Hygienic Systems Ideal for hygienic and aseptic processes in pharmaceutical, biological, food, dairy, yogurt, beverage industries, as well as vaccine production and large/small volume injection manufacturing. Features excellent flow control and on/off performance, with optional manual or pneumatic operation and superior anti-creep & pressure-resistant properties. Core Specifications Double-layer diaphragm: PTFE+EPDM Working temperature: -20°C to 150°C Thread options: BSP/NPT/G Internal finish: Ra ≤ 0.8 μm Hygienic Design Advantages Patented 3A-compliant Radius-Seal diaphragm technology eliminates dead legs—80% crevice volume reduction, zero closure gaps and full fluid drainage. One-piece forged valve bodies enable reliable CIP/SIP, fully compliant with ASME BPE, FDA and EHEDG standards. See our 3D sectional drawings for structural details.
Category
Manual Sanitary Diaphragm Valve
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Description
Technical Parameters

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 & Biological

For 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 & Beverage

Ideal for pasteurization, filling, mixing & raw material transfer. Seamless flow, easy CIP/SIP sterilization, anti-corrosion, meets FDA & LFGB standards.

Beer Brewing

Fit for wort boiling, fermentation, filtration & bottling. High temperature resistance, tight sealing, anti-foaming design, adapts to beer brewing process characteristics.

Cosmetic & Chemical

Suitable 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.

 

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Normal Size just for reference. Can be customized

 

Certificates

 

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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.

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Feedback From Customers

 

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 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.

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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

 

Q: 1.Are you a trading company or factory? 

A: We are a manufacturer factory and we also have our own exporting license. 

Q: 2. Do you have certificate? 

A: Yes. We hold ISO 9001, FDA, 3A, CE and SGS certifications (3A is equivalent to BPE/ASME standards). Our products are also backed by proprietary design patents, with traceable quality test reports provided for each unit. Sanying Fluid serves over 100 countries worldwide, including the US, Pakistan, Vietnam, India, Russia, South Korea and Thailand.

Q: 3.How do you ensure zero dead legs in valve design?  

A: Our patented Radius-Seal diaphragm technology adopts a curved integral sealing structure (excluding sharp right-angle connecting gaps). The curved surface design reduces crevice volumes by 80% compared with conventional designs, and the seamless fit between the diaphragm and valve body completely eradicates stagnant fluid dead zones, realizing true zero dead legs. 3D sectional drawings are available for technical details.

Q: 4. How do you control the quality? 

A: In quality control, the most important is to avoid material mixing.  In our factory, 3 spectro PMI and MTC machines are used in raw material warehouse, production plant, dispatch plant.  Pressure inspecting machine, PMI and MT machines, RA roughness spector, hardness testing machine... All machines help in inspection.  2 staff inspect during production in different sections 5 staff inspect the finished productions to avoid shortage, poor quality, mixing chemical.

 

 

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