
Stainless Steel ISO B Quick Couplings (SS 304)
B8630 Series
AKJia’s B8630 Series is another Stainless steel Quick coupling, the material is stainless steel 304, from 1/8″ to 1″ body size comply with ISO 7241 B series dimensional requirements. and from 1-1/4″ to 2″ are specially designed for the big hydraulic fluid line. usually for chemical liquid, steam water, and some other gas
- 1/8″ to 1″ body size comply with ISO 7241 B Series standard and is interchangeable with other brands’ quick couplings with the standard
- Stainless steel 304 material body for corrosion-resistant, suitable for chemical liquid, steam, etc.
- Poppet valves are available to prevent leakage when the coupling disconnect and auto-open when the coupling connect.
- ball-locking mechanism easy to operate to connect and disconnect
- compatible with Parker 60 Series, Faster HNV series, etc.
B8630 Series –Stainless Steel ISO B Quick Couplings Part Number and Performance
Part Number | Description | Operating Pressure | Rated Flow | |||||
Complete Coupler | Female Body Half | Male Tip Half | Body Size | Thread Size and Description | PSI | Bar | GPM | LPM |
B8630-01 G18 | B8631-01 G18 | B8632-01 G18 | 1/8” | 1/8″ BSPP Female | 2000 | 137.9 | 1 | 3.78 |
B8630-02 ZG14 | B8631-02 ZG14 | B8632-02 ZG14 | 1/4” | 1/4” BSPT Female | 2000 | 137.9 | 3 | 11.36 |
B8630-03 ZG38 | B8631-03 ZG38 | B8632-03 ZG38 | 3/8” | 3/8” BSPT Female | 1500 | 103.4 | 6 | 22.7 |
B8630-04 ZG12 | B8631-04 ZG12 | B8632-04 ZG12 | 1/2” | 1/2” BSPT Female | 1500 | 103.4 | 12 | 45.4 |
B8630-06 ZG34 | B8631-06 ZG34 | B8632-06 ZG34 | 3/4” | 3/4” BSPT Female | 1500 | 103.4 | 28 | 106 |
B8630-08 ZG1 | B8631-08 ZG1 | B8632-08 ZG1 | 1” | 1” BSPT Female | 1000 | 68.95 | 50 | 189.2 |
B8630-10 ZG114 | B8631-10 ZG114 | B8632-10 ZG114 | 1-1/4” | 1-1/4” BSPT Female | 1000 | 68.95 | 75 | 283.9 |
B8630-12 ZG112 | B8631-12 ZG112 | B8632-12 ZG112 | 1-1/2” | 1-1/2 BSPT Female | 1000 | 68.95 | 100 | 378.5 |
B8630-16 ZG2 | B8631-16 ZG2 | B8632-16 ZG2 | 2” | 2” BSPP Female | 1000 | 68.95 | 150 | 567.8 |
Unit conversion page, which helps you to convert pressure units and flow units
- Default Seals: Default Seals: FKM
- Temperature Range: -40° To +250 °F (-40°C To 120°C) for Buna-N Seals ; -15° to +450° F (-26°C To 230°C) fir Viton
- Pressure rating (Max. Operating Pressure) is based on Non-Pulsating,
- Low Cycle applications with essentially steady pressure during the operating cycle

B8630 Series -Stainless steel ISO B Quick Couplings Dimensions
Dimensions(mm) | ||||||||
Complete Coupler Number | Overall Length | Female Length | Diameter | Hex | Tip Length | Diameter | Length | Hex |
L | LS | D | X1 | LP | D | C | X2 | |
B8630-01 | 58.5 | 48 | 24 | 14 | 29 | 10.8 | 19 | 14 |
B8630-02 | 72.5 | 58 | 27 | 19 | 36 | 14.2 | 22.5 | 17 |
B8630-03 | 80.5 | 65 | 35 | 22 | 40 | 19 | 25 | 22 |
B8630-04 | 89 | 72.5 | 45 | 29 | 44 | 23.5 | 28 | 27 |
B8630-06 | 105 | 88 | 54 | 36 | 52 | 31.4 | 36 | 36 |
B8630-08 | 124.5 | 102 | 64.5 | 41 | 62 | 37.8 | 40 | 41 |
B8630-10 | 140.5 | 115 | 69 | 54 | 70 | 45 | 45 | 52 |
B8630-12 | 150.5 | 124 | 79 | 60 | 75 | 50 | 49 | 60 |
B8630-16 | 160.5 | 132 | 102 | 77 | 80 | 70 | 52 | 77 |
ISO 7241 Series B Standard specifies the interface dimensions, the necessary dimensions must meet the request from the ISO 7241 Series B standard, so the brass ISO B quick coupling is interchangeable among different suppliers and brands. The Dimension D on tip half can help us to confirm the body size if you have known they are ISO B Quick Couplings, measure the diameter of the male tip half. The length dimensions are usually not necessary for common use. Need to check if your application will request some special requirements. The 1/4″ body size Brass ISO B Quick coupling is widely used in a carpet cleaner for steam to uperization.