| Double nipple ESK-1/8-1/8 151520 | Brass | External thread BSPT (R) | 1/8 | | €6.13/piece |
| Double nipple ESK-1/4-1/4 151521 | Brass | External thread BSPT (R) | 1/4 | | €6.56/piece |
| Double nipple ESK-1/4-3/8 534152 | Brass | External thread BSPT (R) | 1/4 | | €13.92/piece |
| Double nipple ESK-1/2-1/2 151523 | Brass | External thread BSPT (R) | 1/2 | | €12.61/piece |
| Double nipple ESK-1/8-3/8 534155 | Brass | External thread BSPT (R) | 1/8 | | €13.74/piece |
| Double nipple ESK-1/4-1/2 534153 | Brass | External thread BSPT (R) | 1/4 | | €17.22/piece |
| Double nipple ESK-3/8-3/8 151522 | Brass | External thread BSPT (R) | 3/8 | | €9.76/piece |
| Double nipple ESK-3/8-1/2 534154 | Brass | External thread BSPT (R) | 3/8 | | €23.17/piece |
| Double nipple ESK-1/8-1/4 534151 | Brass | External thread BSPT (R) | 1/8 | | €10.62/piece |