Heyco Liquid Tight Cord Grip Torque Recommendations

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Heyco Liquid Tight Cord Grips Torque Recommendations Chart

Original Series-35 Fittings (LTF)

Heyco^® Original Series-35 Liquid Tight Fittings
NPT Thread
Thread Size	Description	Heyco Part Numbers (Black, Gray)	Locknut Torque		Sealing Nut Torque
Thread Size	Description	Heyco Part Numbers (Black, Gray)	in. lbs	Nm	in. lbs	Nm
3/8 NPT	RLTF 3/8	3458, 3459	40	4,5	40	4,5
	LTF 3/8	3228, 3229
	Flex RLTF 3/8	3474, 3475
	Flex LTF 3/8	3254, 3255
1/2 NPT	LTF 1/2	3231, 3232	80	9,0	80	9,0
1/2 NPT	Flex LTF 1/2	3251, 3252	80	9,0	80	9,0
1/2 NPT	LLTF 1/2	3200, 3201	80	9,0	120	13,6
1/2 NPT	Flex LLTF 1/2	3266, 3267	80	9,0	120	13,6
3/4 NPT	RLTF 3/4	3460, 3461	169	19,1	130	14,7
	LTF 3/4	3234, 3235
	Flex RLTF 3/4	3462, 3463
	Flex LTF 3/4	3239, 3242
1 NPT	LTF 1	8437, 8438	200 - 225	22,6 - 25,4	225 - 250	25,4 - 28,2

Heyco^® Original Series-35 Liquid Tight Fittings
PG Thread
Thread Size	Description	Heyco Part Numbers (Black, Gray)	Locknut Torque		Sealing Nut Torque
Thread Size	Description	Heyco Part Numbers (Black, Gray)	in. lbs	Nm	in. lbs	Nm
PG 7	RLTF 7	3444, 3445	35	4,0	25	2,8
	LTF 7	3207, 3208
	Flex RLTF 7	3464, 3465
	Flex LTF 7	3237, 3238
PG 9	RLTF 9	3446, 3447	40	4,5	40	4,5
	LTF 9	3210, 3211
	Flex RLTF 9	3466, 3467
	Flex LTF 9	3240, 3241
PG 11	RLTF 11	3448, 3449	45	5,1	65	7,3
	LTF 11	3213, 3214
	Flex RLTF 11	3468, 3469
	Flex LTF 11	3243, 3244
PG 13.5^*	LTF 13.5	3216, 3217	80	9,0	80	9,0
PG 13.5^*	Flex LTF 13.5	3246, 3247	80	9,0	80	9,0
PG 16	LTF 16	3219, 3220	124	14,0	120	13,6
PG 16	Flex LTF 16	3249, 3250	124	14,0	120	13,6
PG 21	RLTF 21	3454, 3455	169	19,1	130	14,7
	LTF 21	3222, 3223
	Flex RLTF 21	3478, 3479
	Flex LTF 21	3245, 3248
PG 29	LTF 29	3225, 3226	225	25,4	275	31,1

^*PG 13.5 is also known as PG 13
Note: The values shown are for reference only. The torque value for sealing nuts may vary depending upon the crush resistance of the cable.