PFA Diaphragm Valves (DIN-ANSI)

Order Now Or Request a Quote

PFA Lined Diaphragm Valve DN 80 DN 80 - Main view - High quality industrial valve by GFT9

Precision Engineered for Superior Corrosion Resistance

The Membron9 PFA-lined diaphragm valve is meticulously designed to handle highly corrosive, pure, and ultra-pure media with unparalleled performance and minimal maintenance. Its virgin PFA lining ensures exceptional chemical resistance, making it the ideal solution for demanding applications where conventional materials fail. Featuring a top-entry design for easy maintenance, complete isolation of working parts from process media, and guaranteed bubble-tight sealing (Class VI leakage rate), the Membron9 sets the standard for reliability and efficiency in fluid control.

View Full Diaphragm Valve Specifications

About GFT9 – Your Trusted PFA Specialist

  • Custom Manufacturing Excellence:

    Our products undergo rigorous testing and comply with international quality standards, reinforcing our commitment to excellence and instilling confidence in our clients.

    About Us 

  • Global Supply Network & Streamlined Ordering:

    Leveraging an extensive international network, we ensure reliable delivery and consistent product availability, while our user-friendly, integrated ordering system simplifies procurement for our clients.

    Our Capabilities 

  • Dedicated After-Sales Support:

    Our expert team provides ongoing technical assistance and exceptional customer service, ensuring long-term satisfaction and the operational success of your installations.

    Shipping 

  • Quality Certifications & Adherence to Industry Standards:

    Our products undergo rigorous testing and comply with international quality standards, reinforcing our commitment to excellence and instilling confidence in our clients.

    Downloads 
Link to

Proven Performance

Industry Applications

The Membron9 PFA-lined diaphragm valve is engineered to excel in industries that demand precise flow control of corrosive chemicals at temperatures up to 180°C. Its robust construction and superior PFA lining ensure exceptional chemical resistance and durability, making it the preferred choice for applications requiring reliable performance under harsh conditions.

Looking for application guidance?

Diaphragm Valve Tabular Overview

Parameter Value
Name Membron9
Design Norm DIN/ISO | ANSI
Size DN15-150 | NPS ½-6
Flange Dimensions DIN 2501 (PN 16) | ASME B16.10 (Class 150-RF LP)
Face-Face-Dimensions PN (EN 558-1), Series 1 | ANSI-B-16.5
Lining Options PFA, PFA/AS, PVDF
Body Materials WCB/PFA, CF8/ SS 304 , 1.4401
Pressure Range Depending on Size (see P-T Diagram below)
Custom Options Various Actuation Types, Coatings
Certificates EU Pressure Equipment Directive 2014/68/EU
1 5

Find all our Diaphragm Valves & Request a Quote

Filter the product grid below by size, lining, and body material to find your ideal product. Once selected, add it to your cart to request a free, non-binding quote—adding to your cart does not commit you to a purchase. We’ll promptly provide pricing and estimated delivery times.

Prefer the traditional B2B approach, need clarification, or have a custom request? Feel free to reach out via email or call our sales team. Choose the method that suits you best!

Contact GFT9 Mail

19 prodotti

Technical Specifications

Dimensional Measurements

Size L ød øk øD Bolting Torque
DN 15 130 mm 45 mm 65 mm 95 mm 4 x 14 (M12) 80
DN 20 150 mm 58 mm 75 mm 105 mm 4 x 14 (M12) 85
DN 25 160 mm 68 mm 85 mm 115 mm 4 x 14 (M12) 115
DN 40 200 mm 88 mm 110 mm 150 mm 4 x 18 (M16) 155
DN 50 230 mm 102 mm 125 mm 165 mm 4 x 18 (M16) 155
DN 65 290 mm 122 mm 145 mm 185 mm 4 x 18 (M16) 190
DN 80 310 mm 138 mm 160 mm 200 mm 8 x 18 (M16) 200
DN 100 350 mm 158 mm 180 mm 220 mm 8 x 18 (M16) 245
DN 125 400 mm 188 mm 210 mm 250 mm 8 x 18 (M16) 300
DN 150 480 mm 212 mm 240 mm 285 mm 8 x 22 (M20) 360
Size L ød øk øD Bolting Torque
NPS ½" 108 mm 34,9 mm 60,3 mm 88,9 mm 4 x 15.9 80
NPS ¾" 117 mm 42,9 mm 69,8 mm 98,4 mm 4 x 15.9 85
NPS 1" 127 mm 50,8 mm 79,4 mm 108 mm 4 x 15.9 115
NPS 1½" 165 mm 73 mm 98,4 mm 127 mm 4 x 15.9 155
NPS 2" 178 mm 92,1 mm 121 mm 152,4 mm 4 x 19 155
NPS 2½" 190 mm 104,8 mm 139,7 mm 177,8 mm 4 x 19 190
NPS 3" 203 mm 127 mm 152,4 mm 190,5 mm 4 x 19 200
NPS 4" 229 mm 157,2 mm 190 mm 228,6 mm 8 x 19 245

Materials Table & File

Pos. Item Material
1 Lined Body WCB, CF8 - PFA Lined
2 Bonnet WCB, CF8
3 Spindle SS316
4 Compressor Pin Type WCB, CF8
5 Handwheel CF8
6 Opening Indicator Sleeve HDPE
7 Diaphragm (pin Type) PTFE Backed with EPDM
8 Compression Spring Stainless Steel
9 Dowell Pin Spring Steel
10 Stud Stainless Steel
11 Nut Stainless Steel
12 Plain Washer Stainless Steel

P‑T Diagram

P-T Diagram for the Diphragm Valve

More Products

Contact form