EP Grade SS316 Ultrahigh Purity Diaphragm Valve 31 MPa Pressure 1/4" to 1" Size Range for Semiconductor and Biopharmaceutical Applications
Price:
Negotiable
MOQ:
1
Delivery Time:
Negotiable
Brand:
AFKLOK
Product Description
Product Overview
EP Grade Straight Through Diaphragm Valve in SS316 construction, designed for ultra-high purity applications requiring maximum cleanliness and reliability.
Key Technical Features
Performance Specifications
- Maximum working pressure: 31 MPa
- Fully wrapped valve seat design with superior anti-expansion and anti-pollution capabilities
- Nickel cobalt alloy diaphragm for enhanced durability and corrosion resistance
- Surface roughness options: Ra0.25μm (BA grade) or Ra0.13μm (EP grade) with electropolishing
- Helium test leakage rate: < 1 × 10⁻⁹ std cm³/s
- Optional pneumatic actuator available
- Pneumatic valve service life: 100,000 cycles
Application Benefits
- High-grade 316 stainless steel construction for excellent corrosion resistance
- VCR design ensures reliable, leak-free connections
- Flexible diaphragm material (Teflon or elastomer) for precise flow control
- Minimal internal crevices and dead spaces for easy cleaning
- Ideal for semiconductor manufacturing and biopharmaceutical production
- Available in sizes from 1/4" to 1"
- Manual or actuated operation (pneumatic/electric)
Product Images
Configuration Selection Table
Technical Specifications
| Component | Options | Description |
|---|---|---|
| Valve Body Material | 6L, 6LV, 6LVW | 316L SS, 316L VAR, 316L VIM-VAR stainless steel |
| Input Type | TW, MR, FR, TF | Tube weld, male thread, female thread, tube fittings |
| Input Size | 4, 6 | 1/4", 3/8" |
| Output Type | TW, MR, FR, TF | Tube weld, male thread, female thread, tube fittings |
| Output Size | 4, 6 | 1/4", 3/8" |
| Actuator Type | C, O | Pneumatic normally closed, pneumatic normally open |
| Valve Seat | A | PFA material |
| Cleaning Process | Standard, O2, EP | BA level, oxygen clean, ultra-high purity EP grade |
Company Information & Quality Assurance
Manufacturer Background
Established in 2011, based in Shenzhen, China with extensive international export experience serving Southeast Asia, Western Europe, South America, and other global markets.
Quality Control Process
Factory equipped with professional quality inspection department featuring 3 testing equipment sets including Helium leakage detection, water and nutrient particle testing, water pressure testing, and valve cover testing equipment. Multiple inspection stages with 5% random sampling and 100% final inspection before packaging.
Product Range
Specializing in pressure regulators, tube fittings, instrumentation valves, and gas cabinet systems.
Manufacturing Capabilities
2 factories in China's industrial parks with 12 years of production experience. Annual production capacity exceeding 4,500 tons.
Service & Support
Accepted delivery terms: FOB, CFR, CIF, EXW, CIP, CPT, DDP, DDU, Express Delivery. Payment options: USD, EUR, CNY via T/T, L/C, D/P D/A, PayPal, Western Union. Languages: English, Chinese, Spanish, Russian, Korean.
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Get in Touch
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Company
Shenzhen Wofly Technology Co., Ltd.
Location
Foor 2, 4th Buidling, A Zone, Xinhe Xinxing Industrial 3th Zone, Fuhai Avenue, Baoan, Guangdong, China.
Contact Person
Catlin Zeng