Flat Face Couplers


Flat Face Couplers
QKPS Series stainless steel flat-face couplers offering superior corrosion resistance and durability. Perfect for food processing, pharmaceutical, marine, and other corrosive environments requiring ISO 16028 compatibility.
Material
Stainless Steel
Surface finish
Passivated
Application
Food processing, pharmaceutical industry, marine environments, sanitary applications, corrosive environment hydraulic systems

Flat Face Couplers
QKPS Series stainless steel flat-face couplers offering superior corrosion resistance and durability. Perfect for food processing, pharmaceutical, marine, and other corrosive environments requiring ISO 16028 compatibility.
Material: Stainless Steel;
Surface Treat: Passivated;
Application: Food processing, pharmaceutical industry, marine environments, sanitary applications, corrosive environment hydraulic systems
Technical Data
Specifications
1/4", 3/8", 1/2", 3/4", 1"
350, 300, 300, 250, 250
Flat-face design with zero spillage
Stainless steel corrosion resistant
ISO 16028 international standard
Sanitary design suitable
Advanced sealing technology
Quick release mechanism
Passivated for hygiene
Marine-grade durability
QKPS
Flat-Face Sanitary
Stainless Steel
ISO 16028
Food processing
Pharmaceutical applications
Marine environments
Sanitary hydraulic systems
Corrosive environment protection
Food processing
Pharmaceutical applications
Marine environments
Sanitary hydraulic systems
Corrosive environment protection
| Body Size (in) | Rated Pressure (Bar) | Material | Standard Seal Material | Temperature Range (°C) |
|---|---|---|---|---|
| 1/4" | 250 | Stainless Steel | NBR (other material available on request) | -20 to +125 |
| 3/8" | 200 | Stainless Steel | NBR (other material available on request) | -20 to +125 |
| 1/2" | 200 | Stainless Steel | NBR (other material available on request) | -20 to +125 |
| 3/4" | 200 | Stainless Steel | NBR (other material available on request) | -20 to +125 |
| 1" | 200 | Stainless Steel | NBR (other material available on request) | -20 to +125 |

| Metric | Imperial | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Part No. | Thread Size | BSPP Body Size | A Overall Length (mm) | B Exposed Length (mm) | C Hex Size (mm) | D Largest Diameter (mm) | Part No. | Thread Size | BSPP Body Size | A Overall Length (inch) | B Exposed Length (inch) | C Hex Size (inch) | D Largest Diameter (inch) |
| QKPS 02-02PF | G1/4 | 1/4" | 48 | 35 | 22 | 24 | QKPS 02-N02PF | NPT1/4 | 1/4" | 1.88 | 1.37 | 0.86 | 0.94 |
| QKPS 03-03PF | G3/8 | 3/8" | 60 | 43 | 24 | 26 | QKPS 03-N03PF | NPT3/8 | 3/8" | 2.36 | 1.69 | 0.94 | 1.02 |
| QKPS 03-04PF | G1/2 | 3/8" | 63 | 46 | 27 | 29 | QKPS 03-N04PF | NPT1/2 | 3/8" | 2.48 | 1.81 | 1.06 | 1.14 |
| QKPS 04-04PF | G1/2 | 1/2" | 70 | 53 | 32 | 35 | QKPS 04-N04PF | NPT1/2 | 1/2" | 2.77 | 2.08 | 1.25 | 1.37 |
| QKPS 04-06PF | G3/4 | 1/2" | 70 | 53 | 32 | 35 | QKPS 04-N06PF | NPT3/4 | 1/2" | 2.77 | 2.08 | 1.25 | 1.37 |
| QKPS 06-06PF | G3/4 | 3/4" | 70 | 53 | 36 | 38 | QKPS 06-N06PF | NPT3/4 | 3/4" | 2.77 | 2.08 | 1.41 | 1.51 |
| QKPS 08-08PF | G1 | 1" | 83 | 59 | 45 | 48 | QKPS 08-N08PF | NPT1 | 1" | 3.26 | 2.32 | 1.77 | 1.88 |

| Metric | Imperial | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Part No. | Thread Size | BSPP Body Size | E Overall Length (mm) | F Hex Size (mm) | G Largest Diameter (mm) | Part No. | Thread Size | BSPP Body Size | E Overall Length (inch) | F Hex Size (inch) | G Largest Diameter (inch) |
| QKPS 02-02SF | G1/4 | 1/4" | 48 | 24 | 28 | QKPS 02-N02SF | NPT1/4 | 1/4" | 1.88 | 0.94 | 1.1 |
| QKPS 03-03SF | G3/8 | 3/8" | 65 | 27 | 32 | QKPS 03-N03SF | NPT3/8 | 3/8" | 2.55 | 1.06 | 1.25 |
| QKPS 03-04SF | G1/2 | 3/8" | 70 | 27 | 32 | QKPS 03-N04SF | NPT1/2 | 3/8" | 2.75 | 1.06 | 1.25 |
| QKPS 04-04SF | G1/2 | 1/2" | 79 | 36 | 40 | QKPS 04-N04SF | NPT1/2 | 1/2" | 3.11 | 1.41 | 1.57 |
| QKPS 04-06SF | G3/4 | 1/2" | 79 | 36 | 40 | QKPS 04-N06SF | NPT3/4 | 1/2" | 3.11 | 1.41 | 1.57 |
| QKPS 06-06SF | G3/4 | 3/4" | 79 | 36 | 41 | QKPS 06-N06SF | NPT3/4 | 3/4" | 3.11 | 1.41 | 1.63 |
| QKPS 08-08SF | G1 | 1" | 93 | 45 | 48 | QKPS 08-N08SF | NPT1 | 1" | 3.66 | 1.77 | 1.88 |
Dust Protections
| Size | Nipple Dust Protections | Coupler Dust Protections | ||
|---|---|---|---|---|
| PVC Part No. | Aluminum Part No. | PVC Part No. | Aluminum Part No. | |
| mm / inch | Part Number | Part Number | Part Number | Part Number |
| 6.3 / 1/4 | CZT-1/4 | — | PZT-1/4 | — |
| 10 / 3/8 | CZT-3/8 | — | PZT-3/8 | — |
| 12.5 / 1/2 | CZT-1/2 | — | PZT-1/2 | — |
| 16 / 5/8 | — | — | — | — |
| 20 / 3/4 | CZT-3/4 | — | PZT-3/4 | — |
| 25 / 1 | CZT-1 | — | PZT-1 | — |
Flat Face Couplers

Flat Face Couplers

Flat Face Couplers

Flat Face Couplers
