Body Head Spare Parts Kits Part & Accessories Upgrade Kits User Manual
The M4™ sampling valve is the smallest Keofitt® valve, designed for sampling of low viscosity products, with particles up to 1.5mm in diameter. The main product range the M4™ valve is used for has 0-100cP viscosity.
![]() Sampling | ![]() Sterilizing | ![]() |
The M4™ valve is used in a range of applications such as breweries, dairies, pharmaceutical and biotechnological industries, with wide range of products such as:
- Water
- Milk
- Medical solutions
- Filtered beer
- Perfume
- Olive oil
- Fermented products
- Fruit juice
- And much more
Technical Data
Temperature range: | Rubber membrane: | 0 to 130ºC / 32 to 266ºF |
PTFE membrane: | 0 to 150ºC / 32 to 302ºF | |
Process line pressure (inside tank or pipe): | Valve head type H, Q, K and N: | 0 to 6 bar(g) / 0 to 87 psi (g) |
Valve head type B: | 0 to 12 bar(g) / 0 to 174 psi (g) | |
Material: | Steel parts: | 316L* |
Membranes: | PTFE, Silicon and EPDM FDA approved |
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Dimensions: | Process dimension | In-/outlet dimension |
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Body surface: | Inner surface Ra < 0,5 μm/20 μinch | Electropolished outside |
Material certificate: | 3.1 | |
*Other materials available on request |
Manual
M4 PARTS LIST
Bodies
- M4 type C (400021)
- M4 type P (400011)
- M4 type S (400031)
- M4 type T (400001)
- M4 type Varivent 50 (400010)
- M4 type Varivent 68 (400009)
Heads
- M4 type B PTFE (405547)
- M4 type H (400041)
- M4 type H PTFE (405541)
- M4 type K (400042)
- M4 type K PTFE (405542)
- M4 type N (400044)
- M4 type N PTFE (405544)
- M4 type Q (400043)
- M4 type Q PTFE (405543)
Membranes
- EPDM Membranes (310052, 320052, 400052, 600052, 600252)
- PTFE Membranes (310055, 320055, 400055, 850055, 860055, 870055)
- Silicone Membranes (310051, 320051, 400051, 600051, 600251)
Accessories
- Adjustable Pressure Relief Valve (400059)
- Hose with Tri-Clamp (550004)
- PTFE Tubing (900048)
- Quick Coupling Plug (400061)
- Quick Coupling for Barbed Hose Fitting (400085)
- Quick Coupling for ID4 Tubing (400084)
- Quick Coupling for PTFE (400071)
- Quick Coupling W9 Male to M4 Female Conversion (400086)
- Quick Release Hose (550002)
- Quick Release Tube for Hose (400082)
- Quick Release Tube for Steel Pipe (400070)
- Sampling Coil (400058)
- Tube Fitting for PTFE (400075)
- Tube Fitting for Steel Pipe (400079)
- Welding Liner for 8×1 Steel Pipe (400074)
- Type K Valve Head Key Ring (400076)