Type A keg spear Type A flat spear with safety lock
Flat spear with round flange and one valve for the A system. The safety lock locks the body to the down tube. Type A and type G have the same internal parts.
Dimensions and characteristics
| Flange | round · Ø 74.5 ± 0.1 mm |
| Thread | 2″–14 TPI BS 84 |
| Body bore · body diameter | Ø 35.7 +0.1/0 · Ø 48 0/−0.1 mm |
| Tube connection | Ø 43.5 ± 0.1 mm |
| Down tube | Ø 19 mm · length depends on keg height |
| Keg neck bore | Ø 44.4 mm |
| Distance tube to keg bottom | 9 mm |
| Valve stroke | 9–12 mm |
| Tightening torque | 80 ± 5 Nm |
| Re-tightening returned empty kegs | 60 Nm |
| Max. operating pressure | 3 bar |
| Max. temperature | 135 °C |
| SK mark | SK 448-005 (DGUV Test NV 24816) |
Dimensions and parts list
All values are taken from assembly drawing JM-AX-02 in the Productfiche type A. The drawing for your order is binding.
Dimensions per drawing
| Flange | round · Ø 74.5 ± 0.1 mm |
| Thread | 2″–14 TPI BS 84 |
| Tube connection | Ø 43.5 ± 0.1 mm |
| Down tube | Ø 19 mm |
| Hole in flange | Ø 6.5 +0.1 mm |
| Distance tube to keg bottom | 9 mm |
Parts list
| Item | Part | Art. no. | Material |
|---|---|---|---|
| 1 | Body | JM-AX-01-1 | Stainless steel SUS304 |
| 2 | CO₂ valve | JM-AX-01-3 | EPDM |
| 3 | Spring retainer | JM-AX-01-4 | Stainless steel SUS304 |
| 4 | CO₂ spring | JM-AX-01-5 | Stainless steel SUS304 |
| 5 | Down tube | CJG-HJ-01 | Stainless steel SUS304 |
| 6 | Body seal | JM-AX-01-6 | EPDM |
SUS304 is the Japanese designation for AISI 304 stainless steel (1.4301).
Questions about the type A flat spear
Which keg coupler fits the type A spear?
A keg coupler for the A system, also called a flat coupler. AOBAOSI supplies it with and without a valve, tested under DGUV Test NV 24815 with the SK mark SK 448-004.
What is the difference between type A and type G?
The internal parts and the safety lock are the same. Type A has a round flange of Ø 74.5 mm and fits A keg couplers; type G has a triangular flange of Ø 70 mm for G keg couplers.
What tightening torque is used for the type A spear?
80 ± 5 Nm, applied evenly and without jerking. Returned empty kegs are re-tightened to 60 Nm before filling, never under pressure.
How can I tell that the safety lock is locked?
One tip of the black triangle on the CO₂ valve points exactly at the line on the spear body. If it points to one side, the keg must not be filled.
Is the type A spear SK tested?
Yes. The type A flat spear is tested to DIN 6650-5, DGUV Test NV 24816, SK mark SK 448-005, valid until 7 July 2029. The SK number is laser-marked on the flange.
Quantity and keg height are enough for a quote.
Choose products, quantity and keg. We will get back to you with a quote.