Technical
Understanding part numbers
How FLEXQ part numbers are built – series, nominal size, connection, valve, size, outlet and options.
Overview
Mono couplings
Every FLEXQ part number follows the same key. Example: coupling HPT, nominal size 9, hose barb Ø 13, with valve, 90° outlet, with safety lock.
HPT09FHB13-90S
Series Profile, e.g. HPT = European profile
Nominal size in mm
Type F = coupling · M = nipple
Connection see table
Valve B = with valve · F = without valve
Size Thread or hose code
Outlet -45 / -90, none = straight
Options see table, several possible
Multi couplings
For multi couplings the number describes a complete plate: which side, how many connections and what the plate is fitted with. Machine side and mould side are ordered separately.
MPHPT.09-12FHB12
Side MP = machine side · FP = mould side
Series.nominal size e.g. HPT.09
Ports -06 / -08 / -12 / -16 / -20 / -24
Insert F = coupling · M = nipple
Connection H, P, F, N – as for mono couplings
Valve B = with · F = without
Size Hose Ø or thread code
Connection (2nd letter)
| Code | Connection |
|---|---|
| M | Male thread BSP or metric, parallel |
| F | Female thread BSP |
| R | Male thread BSP, tapered (BSPT) |
| O | Male thread BSP or metric, parallel, with sealing ring |
| T | Male thread NPT |
| N | Female thread NPT |
| H | Hose barb (standard hose with clamp) |
| P | Push-in barb (push-on hose) |
Thread and size codes
| Code | Meaning |
|---|---|
| 18 | 1/8" |
| 14 | 1/4" |
| 38 | 3/8" |
| 12 | 1/2" |
| 34 | 3/4" |
| 10 | 1" |
| 114 | 1 1/4" |
| 112 | 1 1/2" |
| 20 | 2" |
| 1415 | M14 × 1.5 |
| 1615 | M16 × 1.5 |
| 06 / 09 / 13 … | Hose Ø 6 / 9 / 13 mm (for barbs) |
Options and materials (at the end of the number)
| Code | Meaning |
|---|---|
| AL | Aluminium |
| DS | Seal kit on the thread (KES type) |
| E | EPDM |
| MS | Brass MS58 |
| MSV | Nickel-plated brass |
| N | Nitrile |
| P | Pressure eliminator (SPF, SXF) |
| S | Safety lock with bayonet and ball on the sleeve – turn the sleeve to disconnect |
| ST | Steel |
| T | PTFE on the thread |
| TD | PTFE seal |
| V | Viton® (FKM) |
| VA | Stainless steel V2A (1.4301) |
| IA | Stainless steel S4 |
| V4 | Stainless steel 1.4305 |
| W | Kalrez® (FFKM) |
| HTW | High temperature water |
| HTO | High temperature oil |
| SR | Safety lock with a nut that is turned against the sleeve |
| SV | Screw lock with thread (machine and mould side) |
| PV | Pin lock – new locking block |
| AT | Milled groove on the nipple (mould) |
| SL | Safety lock on the locking block of the multi coupling – pull the lever up before opening |
| OK | without cone |
| SA | Bulkhead connection |
Viton® is a registered trademark of The Chemours Company, Kalrez® a registered trademark of DuPont.
Parts of the multi coupling number
| Part of the number | Meaning | Example |
|---|---|---|
| MP | Machine side – the moving plate with locking, usually fitted with couplings | MP HPT.09-12 FHB 12 |
| FP | Mould side – the plate on the mould, usually fitted with nipples | FP HPT.09-12 MHB 12 |
| -06 … -24 | Number of connections (channels) of the plate | HPT.09-16 = 16 connections |
| C | Collector version of the machine side (directly after the number) | MP HPT.09-12C … |
| K | Mould side as aluminium plate | FP MPT.09-12K … |
| -90 | 90° outlet (angled) – on the mould side | FP HPT.09-12 MHB 12-90 |
| without insert code | Unpopulated plate, machine side with locking unit | MP HPT.09-12 |
| PP | Parking plate for the machine side | FP MPT.09-12 PP |
| M … (single part) | Single insert for the plate, e.g. spare coupling | M HPT.09 FHB 12 |
Note on connections: The machine side (MP) usually carries the couplings (F…), the mould side (FP) the matching nipples (M…). In the direction of flow the coupling is always at the end of the hose. For the connection on the insert the same codes apply as for mono couplings: H = hose barb, P = push-in barb, F = female thread BSP, N = female thread NPT.