
The AirTAC Airtac 400M Solenoid Valve Manifold Base 400M2F is a genuine 400M valve manifold base with 2 valve stations. It feeds every station from one PT1/2 inlet and collects the exhausts, so a bank of 4A400 air pilot and 4V400 / 5V400 solenoid valves runs off a single supply line instead of 2 separate drops.
The 400M2F is a two-station base for AirTAC 400-body valves. Instead of running a separate air drop and fitting set to each valve, one supply line enters the common 1/2 in inlet and feeds both stations, while both valve exhausts discharge into the base so you can silence the pair at one point rather than fitting a silencer to each valve. Overall length is 96 mm and the mounting pitch is 84 mm, so two holes 84 mm apart hold the whole bank.
The inlet is machined with PT (Rc) tapered thread, the Japanese/European taper standard. A taper seals on the thread flanks, so jointing compound or PTFE tape on the male connection is what makes it tight - there is no face washer involved. The station ports are 1/2 in, sized to match the full flow of 400-body valves. The base accepts the 4A400 air-pilot valve and the 4V400 / 5V400 solenoid valves in any mix.
| Model | Airtac 400M Solenoid Valve Manifold Base 400M2F |
|---|---|
| Part type | Valve manifold base |
| Manifold series | 400M |
| Fits valve bodies | 4A400 air pilot and 4V400 / 5V400 solenoid |
| Valve stations | 2 of max 8 |
| Station port size | 1/2" |
| Common inlet (P) | PT1/2 |
| Thread standard | PT (Rc tapered) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Temperature | -20 to +70 °C |
| Overall length (A) | 96 mm |
| Mounting hole pitch (KA) | 84 mm |
| Station pitch | 35 mm |
| Max stations (400M) | 8 |
| Supplied with | Manifold, seal and screws |
Length and pitch follow the official AirTAC 400M dimension table: A = 61 mm for one station plus 35 mm per extra station, giving 96 mm at 2 stations. Overall HEIGHT is not listed here because it depends on which valve you fit - a solenoid 4V/5V valve stands taller than an air-pilot 4A on the same base.
| 400M | Manifold for the 400 valve body size. |
|---|---|
| 2F | 2 valve stations (1F to 8F on this body). |
| (blank) | Thread standard: blank = PT, G = BSPP, T = NPT. This base is PT (Rc tapered). |
A spot-weld fixture typically needs a clamp cylinder and a hold-down cylinder on the same fixture. Both 1/2 in valves sit side by side on the 96 mm base and share one regulator drop instead of two.
Loading bays actuate dome lids and bottom discharge valves with large-bore cylinders. A 400M2F bank places both control valves on one 84 mm pitch with a single 1/2 in supply into the gantry.
A filter inlet and its backwash flush valve are usually actuated together. Pair two 400-body pilot valves on this base and both stations draw from the one instrument-air line.
Two stations is the smallest bank in the 400M range, and it is the right choice when a machine has exactly two large actuators - a clamp and a press, or a door and a lock - sitting close together. If a third function is even a possibility, compare against the neighbours: the 400M1F is 61 mm long and the 400M3F is 131 mm, so one extra station costs 35 mm of panel. Buying the 3-station base now and blanking the spare with a P-400M-R2 plate is cheaper than swapping the base later.
Match the PT (Rc) tapered inlet to your supply fittings - if your pipework is BSPP parallel or NPT, choose the 400M2FG or 400M2FT variant of the same base instead.
Quick checklist
It is a 2-station base for 400-body valves. Overall length A is 96 mm (61 + 35 x 1) and the mounting pitch KA is 84 mm (49 + 35 x 1). The common inlet is 1/2 in PT (Rc) tapered thread and the two station ports are 1/2 in. It accepts the 4A400 air-pilot valve and the 4V400 / 5V400 solenoid valves of the matching body size.
Not on this base - the 400M2F is machined for two stations and cannot be extended. The practical route is to buy the 3-station 400M3F (131 mm long) or longer from the start, run the spare station blanked with a P-400M-R2 blank plate until the third valve is needed, then swap the plate for the valve. That costs one plate now instead of a new base later.
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