Applications: • Explosion endangered areas • Machines and devices • Measuring and control engineering • Plant installations Technical Properties: • Maximum strain relief through clamping range • Trapezoidal thread with high torque guarantees tight and permanent fit of the dome nut • Gas tight and watertight Temperature Range -35 to 95°C (-31 to 203°F) NPT Thread Outer thread Clamping range mm Cat. No. Blue Std. Pk. NPT NPT NPT NPT 5-8 7-12 12-18 16-25 5507760 5507761 5507762 5507763 50 50 20 20 3/8" 1/2" 3/4" 1" Metric Thread* Outer thread Clamping range mm Cat. No. Blue Std. Pk. M M M M M M M M M M M 4-6.5 5-8 5-10 7-12 10-14 10-14 12-18 16-25 22-32 28-38.5 40-48 5507560 5507561 5507562 5507563 5507564 5507565 5507566 5507567 5507568 5507569 5507570 50 50 50 50 50 20 20 20 20 10 5 12 16 16 20 20 25 25 32 40 50 63 x x x x x x x x x x x 1.5 1.5/9 1.5/11 1.5/13 1.5/16 1.5/16 1.5/21 1.5 1.5 1.5 1.5 ATEX Characteristics: Certificate: LCIE 07 ATEX 6082X Type of protection: Ex e Test Standards: EN60079-0 EN60079-7 EN61241-0 EN61241-1 Thread Size NPT NPT NPT NPT 3/8 1/2 3/4 1 M12x1.5 M16x1.5/9 M16x1.5/11 M20x1.5/13 M20x1.5/16 M25x1.5/16 M25x1.5/21 M32x1.5 M40x1.5 M50x1.5 M63x1.5 ATEX Device Group: II Category: 2 and 3 Atmosphere: G/D Zone: 1, 2, 21 and 22 Dimensions L ØC mm mm H mm E mm 19 24 33 42 11 14 15 18 38 44 54 60 15 19 22 24 27 27 33 42 53 60 70 8 10 10 10 10 10 10 10 10 12 12 32 37 39 40 43 45 49 52 62 67 68 ØP mm ØThread mm 8.5 12.5 18.5 25.5 8.7 12.5 18.5 25.5 17.1 21.2 26.7 33.3 6.7 8.5 10.5 12.5 14.5 14.5 18.5 25.5 32.5 39.0 48.5 6.8 8.5 10.5 12.5 14.5 14.5 18.5 25.5 32.5 39.0 48.5 12.0 16.0 16.0 20.0 20.0 25.0 25.0 32.0 40.0 50.0 63.0 Insert Neoprene Dome Nut PA 6 Body PA 6 C • Flat Seal: Neoprene • Color: Blue L.C.I.E. Thread P Material: • Body: Polyamide 6 • Seal: Neoprene E H * Extended thread available consult Altech L Locknuts sold separately, see page 24. Altech Corp.® l 35 Royal Road l Flemington, NJ 08822-6000 l Phone (908)806-9400 l FAX (908)806-9490 l www.altechcorp.com 17