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Stainless Steel Pneumatic Tri-clamped Diaphragm Valve
Stainless Steel Pneumatic Tri-clamped Diaphragm Valve Stainless Steel Pneumatic Tri-clamped Diaphragm Valve

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Stainless Steel Pneumatic Tri-clamped Diaphragm Valve

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Overview

The Stainless Steel Pneumatic Tri-Clamped Diaphragm Valve from KONTE is engineered for precise, hygienic flow control in demanding industrial and sanitary applications. With a tri-clamp connection design and pneumatic actuation, this valve delivers fast, reliable on/off or throttling control without contaminating the process medium.

Manufactured under strict quality standards at our ISO9001 and CE-certified facility, these valves are built for performance across pharmaceutical, food processing, biotechnology, and chemical industries. As a direct factory supplier with 30+ years of manufacturing experience, KONTE offers OEM/ODM, bulk supply, and custom specifications.

Product Specifications

Parameter

Value

Model Range

DN6 ~ DN100

Pipeline Pressure

0 ~ 1.6 MPa

Control Pressure

0.3 ~ 0.8 MPa

Air Supply

Neutral gas or air, compressed air

Valve Body Material

CF8 (304SS), CF8M (316LSS)

Sealing Material

PTFE, RPTFE, PPL

Cylinder Material

Polyamide, CF8, Aluminum alloy

Medium Temperature

-20 ~ 180°C

Ambient Temperature

-20 ~ 80°C

Control Mode

Single-acting (NC/NO), Double-acting (NO/NC), Manual

Connection Method

Welded, Tri-Clamped, Flanged

Applicable Medium

Water, oil, gas, etc.

Key Features & Advantages

  • Hygienic Tri-Clamp Connection — Quick-release clamp design enables fast disassembly and cleaning, meeting GMP and FDA hygienic standards. Ideal for CIP/SIP (Clean-in-Place / Steam-in-Place) systems.

  • Full CF8 / CF8M Stainless Steel Body — Corrosion-resistant 304 and 316L stainless steel construction provides long service life in corrosive, high-purity, or high-temperature media.

  • Multiple Sealing Options — PTFE, RPTFE, and PPL diaphragm materials cover a wide range of media compatibility, including aggressive chemicals and food-grade fluids.

  • Flexible Actuation Modes — Supports single-acting (spring return NC/NO) and double-acting configurations for diverse automation and fail-safe requirements.

  • Wide Temperature Range — Operates reliably from -20°C to 180°C, suitable for steam sterilization and cryogenic applications.

  • Compact Pneumatic Actuator — Polyamide or aluminum alloy cylinder options balance weight, durability, and corrosion resistance depending on the installation environment.

  • 100% Tested Before Shipment — Every unit undergoes pressure testing, air tightness inspection, and dimensional verification. All test data is recorded with photos and stored for 10+ years. Learn more about our quality control process.

Applications

The pneumatic tri-clamped diaphragm valve is widely used across process industries where hygiene, precision, and reliability are critical. Explore our industry solutions:

  • Pharmaceutical & Biotechnology — Sterile fluid handling, fermentation, and bioreactor control. Compliant with GMP, USP, and FDA requirements.

  • Food & Beverage — Dairy, juice, brewing, and seasoning production lines requiring non-contaminating, easy-clean valve solutions.

  • Chemical Processing — Handling aggressive or corrosive media where CF8M stainless steel and PTFE sealing provide full media compatibility.

  • Water Treatment — Municipal and industrial water purification systems requiring reliable, corrosion-resistant shut-off control.

  • LNG & Gas — Low-temperature gas service applications where wide temperature range performance is essential.

Why Choose KONTE

KONTE is a subsidiary of Kangsaite Automation Group (KST), with 30+ years of valve manufacturing experience, 170,000+ sqm production base, and exports to 60+ countries. Our service commitment includes:

  • Quotation within 24 hours

  • Annual on-time delivery rate above 98%

  • 12-month warranty from shipment (18 months from installation)

  • Complaint resolution initiated within 8 working hours

  • 15 overseas warehouses across Asia, Europe, and the Americas for fast local delivery

  • OEM / ODM / Custom manufacturing available

FAQ

Q1: What is the difference between single-acting and double-acting pneumatic diaphragm valves?

Single-acting valves use a spring return mechanism — they fail open (NO) or fail closed (NC) when air supply is lost, providing a built-in fail-safe function. Double-acting valves require air supply for both opening and closing, offering faster response and greater force output. KONTE supplies both configurations.

Q2: Are these valves suitable for steam sterilization (SIP)?

Yes. The CF8/CF8M body and PTFE/RPTFE diaphragm materials support medium temperatures up to 180°C, making them compatible with steam-in-place sterilization processes used in pharmaceutical and biotech applications.

Q3: Can KONTE provide FDA and CE certified diaphragm valves?

Yes. KONTE holds FDA, CE, ISO9001, and other certifications. Certified products are available for food, beverage, pharmaceutical, and export applications requiring regulatory compliance.

Q4: What connection types are available?

The valve supports tri-clamp (sanitary clamp), welded, and flanged connections to suit different pipeline configurations and hygiene requirements.

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