Steel Valve
Steel Valve
Steel Valve
Steel Valve
Steel Valve

Stainless Steel Manual Micro Forged Three-Way Diaphragm Valve

JN-DV-23 1005-5
Diameter range: DN8～DN100 (1/4"～4")
Working pressure: ≤10 bar
Working te m perature: -10° C～150° C (depending on diaphragm material)
Diaphragm material: E P D M , P T F E , EPDM+PTFE composite
Valve body connection: quick -install, welding, thread
Operation mode: manual, pneumatic , electric
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Stainless Steel Manual Micro Forged Three-Way Diaphragm Valve

Stainless Steel Manual Micro Forged Three-Way Diaphragm Valve is aminiature, manual, forged-body sanitary three-way diaphragm valvewithultra-compact size and zero dead-leg structure. It is mainly installed in small-caliber high-purity pipelines in pharmaceutical, biotech, and laboratory systems, Micro Valve used forflow diversion, switching, and on-off control. Types includeL-port & T-port flow patterns, 304/316L forged materials, PTFE/EPDM diaphragms, Steel Valve with full polished, crevice-free, CIP/SIP compatible design and compliance with GMP, 3A, DIN standards.
 
Stainless Steel Manual Micro Forged Three-Way Diaphragm Valve features amicro forged three-way structureandzero dead-leg design, which is far more compact and hygienic than ordinary diaphragm valves. It integratesdiversion, switching and shut-off in one valve for small pipelines. Our product adopts precision forging, full mirror polishing, and high-performance diaphragm seal,offeringhigher purity, better pressure resistance, more stable operation and longer service life than others, fully meeting strict pharmaceutical and biotech standards.

Accessories

 Component & Material Table
  • Valve Body & Bonnet： 304/316L Stainless Steel (sanitary-grade forging, polished finish)
  • Diaphragm： EPDM (food-grade, corrosion-resistant, for flow control)
  • Valve Seat & Sealing Gasket： PTFE/EPDM (food-grade, leak-proof)
  • Stem & Actuator Connection： 304/316L Stainless Steel (wear-resistant, precision machined)
  • Manual/Actuated Handle： 304 Stainless Steel/Aluminum Alloy (anti-slip, ergonomic design)
  • Quick-clamp/Tri-clamp Fittings： 304/316L Stainless Steel (polished finish, reduced diameter for flow control)
Product Parameter Details

  • Material：Main body：304/316L Stainless Steel (sanitary-grade forging, polished)；Diaphragm & Seals：Food-grade EPDM/PTFE；Handle：304 Stainless Steel/Aluminum Alloy；Stem：304/316L Stainless Steel (hardened)

  • Structure Form：Standard：Forged three-way (T-port/L-port) body，Clamp-type (Tri-clamp) ends, external flow control stem；Optional：Reduced port size for throttling，Jacketed structure (steam/cold water) for temperature control

  • Pressure Rating：Working Pressure：0-10 bar (0-150 PSI)；Test Pressure：1.5× working pressure；Vacuum Rating：Full vacuum (with EPDM diaphragm)

  • Function：Precise flow regulation & on/off control，Three-way flow diversion or mixing，Bubble-tight shutoff，Diaphragm isolation (prevents media contact with stem)

  • Grade Classification：Hygiene Grade：Sanitary-grade (Polished Ra≤0.8µm)，Complies with 3A, EHEDG, cGMP；Application：Food & Beverage, Pharmaceutical, Biotech；No dead-leg design

  • Specification Match：Connection Standards：DIN 11851, SMS, 3A, ISO 2852；Size Range：1/2"– 4"(standard)，Larger sizes customizable；Actuator Interface：ISO 5211 mounting pad

  • Certification Grade：Hygiene Certification：3A, FDA, EHEDG compliant；Material Safety：FDA 21 CFR 177.2600, EU 10/2011；Quality Certification：CE PED, ISO 9001

  • Installation Direction：Horizontal or vertical installation (no restriction)，Handle/actuator recommended upward for ease of operation and maintenance，Diaphragm life unaffected by installation angle

  • Customization Service：Custom port sizes & reduction ratios，Special diaphragm/seal materials (Silicone, Viton, PTFE)，Electropolishing (Ra≤0.4µm)，Custom actuator mounting (pneumatic/electric)，Jacketed version for heating/cooling

Stainless Steel Manual Micro Forged Three-Way Diaphragm Valve

Feature (F), Advantage (A), Benefit (B)

  1. Raw Material:
  • F: 100% virgin 304/316L stainless steel for forged valve body & bonnet; FDA-compliant food-grade EPDM diaphragms & seals.
  • A: Exceptional corrosion resistance; eliminates risk of material leaching; fully compliant with stringent hygienic regulations.
  • B: Guarantees product purity for sensitive food, pharmaceutical, and biotech applications; ensures process integrity.
  1. Processing Technology:
  • F: Full internal mirror polishing (Ra≤0.6μm); integral body forging with smooth bore transition; no internal crevices.
  • A: Ultra-smooth surface prevents bacterial adhesion; excellent cleanability and sterilizability; superior mechanical strength.
  • B: Reduces CIP/SIP cycle times and costs; meets or exceeds 3A and EHEDG hygienic standards; ensures long-term reliability.
  1. Structure Feature:
  • F: Forged three-way body with dual independent valve seats；Tri-clamp connections; Single stem operating dual diaphragms in a compact housing
  • A: Enables flow switching, diversion, or mixing functions in one valve assembly; Allows for quick disassembly.
  • B: Replaces the need for multiple two-way valves and fittings，saving space, cost, and potential leak points; Ideal for batch processing and manifold systems。
  1. Core Component Feature (Diaphragm & Stem):
  • F: Reinforced arch-profile EPDM diaphragms for each port; Hardened 316L stainless steel common stem with precise guidance.
  • A: Each diaphragm provides a separate, bubble-tight seal and sterile barrier for its port；Synchronized operation ensures reliable flow control.
  • B: Prevents cross-contamination between different lines；Maintenance is simple, often requiring only diaphragm replacement; Low total cost of ownership.
  1. Flow Control Feature:
  • F: Diaphragm lift provides smooth throttling control; Reduced bore design on selected ports for enhanced flow regulation.
  • A: Enables precise and repeatable flow adjustment for each path; Minimizes shear and pressure drop.
  • B: Optimizes processes like formulation, blending, and filling with accurate multi-line control.
 
Stainless Steel Manual Micro Forged Three-Way Diaphragm Valve
 
Interface Mode：Clamp-type quick-install (DIN/SMS/3A/ISO standard); customizable threaded/flanged ends
Production & Processing Method：Full CNC precision machining; one-piece forging shaping; no welding dead corners
Surface Treatment：Inner cavity mirror polishing (Ra ≤ 0.8μm); outer surface electrolytic polishing/passivation; sanitary-grade anti-corrosion treatment
Raw Material Processing Method：Valve body & ball: 304/316L stainless steel forging (high structural density, no porosity); accessories: precision casting/stamping
Operation Mode：Standard manual (ergonomic rotary handle); customizable pneumatic/electric actuation
Seal Ring Material Options：Food-grade PTFE, EPDM, Viton (FKM); FDA/3A certified for hygienic applications
Sealing Method：Center seal (zero clearance fit between valve ball and seat); high-precision surface sealing for leak-free performance
 
 
 

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